Annual mean 30°C · wettest around August · prevailing wind SE
Warmest
40.0 °C
Coldest
29.6 °C
Wettest
45%
Windiest
5.6 m/s
Prevailing
SE
4.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Niamey over the whole year is 30°C. April is the hottest month, with highs of about 40°C; January is the coldest, with lows of about 18°C. The rainy (wet) season in Niamey runs from June to September, peaking in August with a 46% chance of rain on a given day. The dry season is October to May; January is the driest month, at 0%. Winds in Niamey are highest in June, averaging 3.8 m/s (14 km/h), and lightest in November, at 2.3 m/s (8 km/h). The prevailing wind is from the SE. The clearest skies in Niamey come in November, when the sky is typically 57% covered; August is the cloudiest month, at 78%.
Month by month Niamey climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
31°C
18°C
24°C
0%
59%
3.3 m/s
75
43
36
February
33°C
21°C
27°C
0%
61%
3.3 m/s
55
58
17
March
38°C
26°C
33°C
2%
69%
3.0 m/s
8
46
1
April
40°C
29°C
37°C
5%
72%
2.9 m/s
0
12
0
May
38°C
30°C
38°C
15%
75%
3.5 m/s
1
5
0
June
35°C
28°C
36°C
25%
75%
3.8 m/s
2
17
0
July
32°C
26°C
33°C
37%
77%
3.4 m/s
4
31
1
August
30°C
25°C
33°C
46%
78%
3.0 m/s
5
39
1
September
32°C
26°C
35°C
41%
74%
2.7 m/s
2
21
1
October
36°C
26°C
36°C
14%
66%
2.4 m/s
0
18
0
November
36°C
22°C
31°C
0%
57%
2.3 m/s
10
63
1
December
32°C
19°C
26°C
0%
59%
2.9 m/s
62
57
21
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Niamey weather by season
Year round, Niamey has days of about 30°C at their warmest in August, its coolest month, and 40°C in April, its warmest; the coolest hours of the day run from 18°C to 30°C through the year, and the average temperature over the year is 30°C around the clock. Rain is most likely around August and least likely around January. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Niamey weather in winterDecember to February
High 32°CLow 19°CRain 0%
Winter in Niamey has typical daily highs of about 32°C and lows of about 19°C, with a 0% chance of rain on a given day.
Niamey weather in springMarch to May
High 39°CLow 28°CRain 7%
Spring in Niamey has typical daily highs of about 39°C and lows of about 28°C, with a 7% chance of rain on a given day.
Niamey weather in summerJune to August
High 33°CLow 26°CRain 36%
Summer in Niamey has typical daily highs of about 33°C and lows of about 26°C, with a 36% chance of rain on a given day.
Niamey weather in autumnSeptember to November
High 35°CLow 25°CRain 18%
Autumn in Niamey has typical daily highs of about 35°C and lows of about 25°C, with a 18% chance of rain on a given day.
When is the rainy season in Niamey?
The rainy (wet) season in Niamey runs from June to September, peaking in August with a 46% chance of rain on a given day. The dry season is October to May; January is the driest month, at 0%.
What time of year is Niamey windiest?
Winds in Niamey are highest in June, averaging 3.8 m/s (14 km/h), and lightest in November, at 2.3 m/s (8 km/h). The prevailing wind is from the SE.
What is the average temperature in Niamey year round?
The average temperature in Niamey over the whole year is 30°C. April is the hottest month, with highs of about 40°C; January is the coldest, with lows of about 18°C.