Climate Insights for Ouésso

The climate in Ouésso is hot. The average annual temperature is 26°C and approximately 1383mm of precipitation falls per year. Ouésso receives a notable amount of rainfall throughout the year, including during its driest month. Ouésso sits near the equator, so seasonal temperature differences are minimal throughout the year.

Ouésso sees moderate temperature variation throughout the year, ranging from 21°C to 32°C. The warmest month is February, when average highs reach 32°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 21°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Ouésso is a fairly wet location, receiving approximately 1383mm of precipitation annually, which averages out to around 115mm per month. The wettest month is October, averaging 183mm of rainfall. September and April also tend to see above-average precipitation. The driest month is January, with just 36mm. That's 147mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Ouésso is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently spring in Ouésso, which began on March 20, 2026. Ouésso sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 32°C, while the coldest stretch bottoms out in January near 21°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Ouésso is during July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 99mm per month. By contrast, February can be uncomfortably hot with highs reaching 32°C, while January is the coldest period with lows dropping to 21°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Ouésso based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.