The climate in Niamey during May can be summarized as very hot and reasonably dry.
May is in the spring in Niamey and is typically the warmest month of the year. Daytime maximum temperatures average around a hot 41°C (106°F), whilst at night 28°C (83°F) is normal.
|Daytime temperature||40.9°C 105.5°F|
|Nightly temperature||28.4°C 83°F|
|Average temperature||34.6°C 94.3°F|
|Daily sunshine||8.6 hrs|
|Avg rainfall||33 mm 1.3 ins|
|Rainy days||4 days|
|Sea temperature||26.2°C 79.1°F|
|Windspeed||10.4kph 7 mph|
On average May is the 5th wettest month of the year in Niamey with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Niamey in May 2021.
|Hottest month:||May||40.6°C 105.1°F|
|Driest month:||January||0mm 0ins|
|Coldest month:||January||31.6°C 88.9°F|
|Wettest month:||August||183mm 7.2ins|