Climate Insights for Diffa

The climate in Diffa is hot. The average annual temperature is 29°C and approximately 288mm of precipitation falls per year. August is the wettest month, receiving around 174mm of rainfall. Diffa is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are January, December, February, when temperatures can drop to 15°C.

Temperatures in Diffa vary considerably across the year, with a 26°C difference between the coldest and warmest months. May is the hottest month, with daytime highs reaching 41°C and an average of 34°C. January is the coolest month, with minimum temperatures around 15°C and an average of 22°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 6°C shift in average temperatures.

Diffa is a quite dry location, receiving approximately 288mm of precipitation annually, which averages out to around 24mm per month. The wettest month is August, averaging 174mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 174mm less than August, 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.

Diffa is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently spring in Diffa, which began on March 20, 2026. Diffa is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 41°C, while the coldest stretch bottoms out in January near 15°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Diffa is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 0mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 41°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Diffa 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.