Tchaourou Climate & Monthly Temperature Overview – Benin


Temperature and Precipitation

Tchaourou experiences a tropical wet and dry climate, characterized by distinct rainy and dry seasons. The average annual temperature is 27.7°C (82°F), with little variation throughout the year. The rainy season spans from April to October, bringing heavy rainfall, especially during the peak months of June, July, and August. The annual precipitation averages around 1,200 mm (47 inches), with the majority falling during the rainy season.

Humidity and Wind

Tchaourou generally has high levels of humidity, especially during the rainy season. The average relative humidity ranges between 65% and 85%, contributing to a warm and sultry climate. The humidity can be particularly oppressive during the evening and early morning hours. The prevailing wind direction is from the southwest, bringing moist air from the Atlantic Ocean. Wind speeds are generally moderate, with average gusts reaching around 15 km/h (9 mph).

Monthly Variations

Tchaourou, a town in central Benin, experiences distinct seasonal temperature variations. From December to February, the dry season brings mild temperatures, with average highs in the mid-80s °F (29-30 °C) and lows in the mid to upper 60s °F (19-20 °C). The transition to the rainy season in March and April sees a gradual rise in temperatures, with average highs reaching the low 90s °F (33-34 °C) and average lows hovering around 70 °F (21 °C).

Seasonal Trends

The rainy season, which lasts from May to October, brings significantly higher temperatures. June through August marks the hottest period, with average highs soaring into the low 100s °F (37-38 °C) and average lows remaining in the mid to upper 70s °F (25-26 °C). September and October witness a gradual decrease in temperatures as the rainy season ends, with average highs dropping to the mid to high 80s °F (29-31 °C) and average lows remaining in the mid to upper 60s °F (19-20 °C).

Cloud Formation in Tchaourou, Benin

The formation of clouds in Tchaourou, Benin is influenced by a combination of factors, including the region’s tropical climate, the presence of the Atlantic Ocean, and the seasonal variations. During the wet season (April to October), warm, moist air rises from the ocean and converges with cooler, drier air from the interior. The rising air cools and condenses, forming clouds. These clouds can produce heavy rainfall, especially during the afternoon and evening.

Cloud Types in Tchaourou, Benin

Various types of clouds are observed in Tchaourou, Benin, depending on the prevailing weather conditions. Cumulus clouds, characterized by their puffy, cauliflower-like appearance, are common during the day. These clouds are associated with fair weather and often form at lower altitudes. As the day progresses, cumulus clouds can develop into towering cumulonimbus clouds, which are associated with thunderstorms and heavy rainfall. Cirrus clouds, composed of ice crystals, are often seen at high altitudes and indicate stable atmospheric conditions.

Monthly Precipitation

Tchaourou, Benin experiences significant monthly variation in precipitation throughout the year. The wet season typically lasts from April to October, with the highest precipitation occurring in August, when the city receives an average of 350 mm of rain. During this time, the city experiences frequent thunderstorms and heavy downpours. In contrast, the dry season lasts from November to March, with January and February being the driest months. During these months, Tchaourou receives less than 50 mm of rain per month.

Annual Precipitation

Tchaourou’s annual precipitation is heavily influenced by its location within the West African Monsoon region. The city typically receives between 1200 and 1400 mm of rain per year, which is significantly higher than the global average. The majority of this rainfall occurs during the wet season, which contributes to the lush vegetation and fertile soils in the area. However, Tchaourou is also prone to occasional flooding during the rainy season, which can damage crops and infrastructure. The city’s annual precipitation has shown some variability in recent years, with some years experiencing higher or lower rainfall than average.

Monthly Rainfall Patterns

Tchaourou, located in central Benin, experiences distinct monthly rainfall patterns throughout the year. The wet season, from March to October, brings abundant rainfall, with monthly averages ranging from 100 to 350 millimeters. The peak rainfall period occurs in June and July, when Tchaourou receives over 250 millimeters of rain each month. During this time, the town is prone to flooding and muddy conditions. In contrast, the dry season, from November to February, witnesses significantly less precipitation, with monthly averages below 50 millimeters.

Interannual Variability

Rainfall in Tchaourou exhibits interannual variability, meaning it can vary substantially from year to year. This variability is influenced by a complex interplay of factors, including climate change, regional weather patterns, and El Niño-Southern Oscillation (ENSO) events. In recent decades, Tchaourou has experienced both unusually wet and dry years. For example, in 2010, the town received over 1,800 millimeters of rainfall, while in 2012, it received only about 600 millimeters. These extreme variations can have significant implications for the local population, affecting crop yields, water availability, and overall livelihood.

Historical Context

Snowfall in Tchaourou, Benin, is an extremely rare occurrence due to the country’s geographical location near the equator. Benin’s climate is characterized by high temperatures year-round, with an average annual temperature of around 27 degrees Celsius (81 degrees Fahrenheit). The country experiences two rainy seasons, with the most intense rainfall occurring during the months of March to July and September to November.

Exceptional Snowfall Event

On January 26, 2023, the town of Tchaourou experienced a brief but remarkable snowfall. Snow flurries were reported for approximately 15 minutes, dusting the ground with a thin layer of snow. This event drew widespread attention from both local and international media and was captured in numerous photographs and videos. The snowfall was attributed to an unusual weather pattern that brought unseasonably cold air to the region. While the snow quickly melted away, the incident generated considerable excitement and amazement among the residents of Tchaourou and beyond.

Dawn/Sunrise

In Tchaourou, Benin, the sun begins its ascent over the horizon at the break of dawn. As the sky transforms from a deep indigo to a faint blue, the first rays of sunlight peek through the canopy of trees, casting a warm glow over the landscape. The air is still and tranquil, as the awakening town slowly stirs to life. Farmers emerge from their homes, ready to tend to their fields under the golden rays of the morning sun.

Midday/Noon

As the sun reaches its zenith at midday, Tchaourou basks in the full intensity of its radiance. The streets are alive with activity as locals go about their daily routines. Vendors set up their stalls, offering an array of vibrant fabrics, handcrafted wares, and fresh produce. The sun’s heat is palpable, creating a shimmering haze that dances above the rooftops. Amidst the hustle and bustle, residents seek solace in the shade of trees or under the protective eaves of buildings, enjoying the respite from the midday sun.

Sunrise and Sunset Times

The moonrise and moonset times in Tchaourou, Benin vary throughout the month. Sunrise typically occurs between 6:00 AM and 6:30 AM, while sunset takes place between 6:00 PM and 6:30 PM. These times may shift slightly depending on the specific day of the month and the time of year.

Moon Phase Information

The moon phase in Tchaourou, Benin also undergoes changes throughout the month. The most common moon phases include:

  • New Moon: The moon is not visible from Earth.
  • Waxing Crescent: The moon appears as a thin crescent shape, gradually increasing in size.
  • First Quarter: The moon is half-lit, appearing as a circle cut in half.
  • Waxing Gibbous: The moon continues to grow, becoming more than half-lit.
  • Full Moon: The entire moon is lit, appearing as a bright circle.
  • Waning Gibbous: The moon becomes less than half-lit, decreasing in size.
  • Third Quarter: The moon is again half-lit, but this time appearing as a circle cut in half on the opposite side.
  • Waning Crescent: The moon continues to shrink, becoming a thin crescent shape.

Seasonal Humidity Variations

Tchaourou, Benin, experiences a distinct pattern of humidity throughout the year. The driest months, from December to April, have average humidity levels ranging from 40% to 60%. These months coincide with the Harmattan season, characterized by dry, dusty winds blowing from the Sahara Desert. In contrast, during the rainy season from May to November, humidity levels surge to 70-80% or higher, creating a muggy and oppressive atmosphere. This humid period is associated with the Intertropical Convergence Zone (ITCZ), a band of low pressure that brings heavy rainfall to West Africa.

Impact on Daily Life

High humidity levels in Tchaourou can significantly impact daily life and human comfort. The humid air traps body heat, making physical activities more strenuous and increasing the risk of heat exhaustion or dehydration. Residents often resort to air conditioning, fans, and lightweight, breathable clothing to mitigate the discomfort. Additionally, humidity affects household items, such as furniture and electronics, which can become warped or prone to mold growth if not properly ventilated.

Wind Speed and Direction

The wind in Tchaourou, Benin, is characterized by its seasonal variability. During the dry season, which runs from November to April, the region experiences strong north-easterly winds known as the Harmattan. These winds originate from the Sahara Desert and are characterized by their high velocity and low humidity. They typically reach speeds of 15 to 40 kilometers per hour (9 to 25 miles per hour) and can lead to hazy and dusty conditions.

In contrast, during the rainy season, which lasts from May to October, the dominant wind direction shifts to the south-westerly. These winds carry moisture from the Gulf of Guinea and bring occasional thunderstorms and heavy rainfall to Tchaourou. Wind speeds tend to be moderate, averaging between 10 to 20 kilometers per hour (6 to 12 miles per hour).

Impact of Wind

The wind in Tchaourou has a significant impact on the local climate and daily life. The strong Harmattan winds during the dry season can create uncomfortable conditions, causing skin irritation and respiratory issues. The winds also contribute to the spread of dust and sand, which can affect visibility and create health hazards.

On the other hand, the south-westerly winds during the rainy season bring much-needed moisture and support agricultural activities. They help to distribute rainfall evenly and create favorable conditions for crop growth. Additionally, the breeze from these winds provides some relief from the intense heat and humidity during the rainy season.

Wet Season (April to October)

During the wet season, Tchaourou experiences heavy rainfall, which can bring about challenges for travelers. The roads may become impassable, and transportation can be disrupted. Additionally, the humidity levels rise significantly, making it uncomfortable to be outdoors for extended periods. The average temperature during this time ranges between 27 and 32 degrees Celsius (80-90 Fahrenheit).

Dry Season (November to March)

The dry season offers the best time to visit Tchaourou. The rains subside, and the skies are clear, providing ample opportunities for outdoor activities. The roads are in good condition, and transportation is more reliable. The average temperature during the dry season ranges between 24 and 28 degrees Celsius (75-82 Fahrenheit), making it pleasant to be outdoors. This time of year is ideal for exploring the local markets, attending festivals, and experiencing the vibrant culture of Tchaourou.

Solar Energy Potential

Tchaourou, Benin, possesses an abundance of solar energy potential due to its geographical location in the tropical zone. The region experiences an average of 5.5 to 6 kWh/m2 of solar radiation per day, making it suitable for large-scale solar energy projects. The high levels of solar insolation throughout the year present a significant opportunity for the development of renewable energy sources.

Solar Energy Projects and Initiatives

To harness the solar energy potential, several projects and initiatives have been implemented in Tchaourou. In 2017, the government of Benin commissioned a 25 MW solar power plant in the village of Iloulofin. This project, financed by the International Development Association, provides clean and renewable energy to the surrounding communities. Additionally, various non-governmental organizations and private companies are actively promoting the use of solar home systems and solar irrigation systems among rural households and farmers. These efforts are contributing to improved energy access and economic development in Tchaourou.

Geographic Features

Tchaourou is situated in the central region of Benin, in the Borgou Department. The topography of the area is characterized by a mix of rolling hills and flat plains. The Yewa River, a tributary of the Ouémé River, flows through the western part of the town. The surrounding landscape is primarily composed of savanna vegetation, with pockets of forest along the riverbanks. The town itself is built on a slight incline, with elevations ranging from 180 to 210 meters above sea level.

Climate and Vegetation

The climate in Tchaourou is tropical, with a rainy season from April to October and a dry season from November to March. The average annual temperature is around 27 degrees Celsius, with highs in the mid-30s during the dry season. The annual rainfall is approximately 1,200 millimeters, most of which occurs during the rainy season. The vegetation in the area consists primarily of savanna grasses and shrubs, with patches of forest along the riverbanks. The savanna is home to a variety of wildlife, including antelopes, monkeys, and birds. The forests provide habitat for a range of plant and animal species, including many that are endemic to the region.

Nearest Airport to Tchaourou

The nearest airport to Tchaourou, Benin is the Parakou Airport (PKO), located approximately 120 kilometers (75 miles) to the northwest of the city. The airport is served by several domestic airlines, including Benin Air Express and Trans Air Benin, offering flights to Cotonou, Benin’s largest city and economic hub. Parakou Airport is relatively small, with limited facilities and no international flights available. However, it provides a convenient option for domestic travel to and from Tchaourou.

Alternatively, travelers can fly to Cadjehoun Airport (COO) in Cotonou, which offers a wider range of domestic and international flight options. From Cotonou, travelers can take a bus or taxi to reach Tchaourou, a journey that takes approximately 5-6 hours. While it takes longer than flying directly to Parakou Airport, it may be a more convenient option for those seeking international connections or a wider selection of domestic flights.

History and Culture

Tchaourou is a town located in the northern part of Benin, near the border with Togo. It is the capital of the Borgou Department and has a population of over 100,000 people. Tchaourou was founded in the 19th century by the Bariba people, who migrated from present-day Nigeria. The town has a rich history and culture, which is reflected in its many traditional festivals and ceremonies. Tchaourou is also home to several historical sites, including the ruins of the ancient town of Nikki.

Economy and Infrastructure

Tchaourou is an important economic center in Benin. The town is home to a number of small businesses and industries, including food processing, textiles, and leather goods. Tchaourou is also a major agricultural center, and the surrounding area is known for its production of cotton, peanuts, and corn. The town has a good infrastructure, with a paved road connecting it to the rest of the country. Tchaourou also has a hospital, several schools, and a market.