Annual mean 19°C · wettest around April · prevailing wind E
Warmest
25.8 °C
Coldest
19.6 °C
Wettest
87%
Windiest
4.7 m/s
Prevailing
E
3.5 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Nairobi over the whole year is 19°C. February is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 14°C. The rainy (wet) season in Nairobi runs from September to June, peaking in April with a 68% chance of rain on a given day. The dry season is July to August; July is the driest month, at 23%. Winds in Nairobi are highest in February, averaging 3.3 m/s (12 km/h), and lightest in June, at 1.9 m/s (7 km/h). The prevailing wind is from the E. The clearest skies in Nairobi come in February, when the sky is typically 50% covered; July is the cloudiest month, at 76%.
Month by month Nairobi 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
24°C
16°C
22°C
67%
57%
2.9 m/s
87
17
59
February
25°C
16°C
23°C
58%
50%
3.3 m/s
87
25
52
March
25°C
17°C
23°C
56%
59%
3.2 m/s
86
30
47
April
24°C
17°C
23°C
68%
73%
2.5 m/s
87
23
51
May
22°C
16°C
22°C
58%
76%
2.0 m/s
88
14
61
June
21°C
14°C
20°C
46%
75%
1.9 m/s
88
5
76
July
20°C
14°C
19°C
23%
76%
2.0 m/s
86
2
82
August
21°C
14°C
19°C
33%
74%
2.1 m/s
87
5
79
September
23°C
15°C
21°C
47%
70%
2.3 m/s
88
13
65
October
24°C
16°C
22°C
61%
67%
2.9 m/s
88
20
55
November
23°C
16°C
21°C
64%
74%
3.1 m/s
86
11
63
December
23°C
16°C
21°C
65%
66%
3.1 m/s
87
10
66
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 Nairobi weather by season
Year round, Nairobi has days of about 20°C at their warmest in July, its coolest month, and 25°C in February, its warmest; the coolest hours of the day run from 14°C to 17°C through the year, and the average temperature over the year is 19°C around the clock. Rain is most likely around April and least likely around July. 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.
Nairobi weather in winterJune to August
High 21°CLow 14°CRain 34%
Winter in Nairobi has typical daily highs of about 21°C and lows of about 14°C, with a 34% chance of rain on a given day.
Nairobi weather in springSeptember to November
High 23°CLow 16°CRain 57%
Spring in Nairobi has typical daily highs of about 23°C and lows of about 16°C, with a 57% chance of rain on a given day.
Nairobi weather in summerDecember to February
High 24°CLow 16°CRain 63%
Summer in Nairobi has typical daily highs of about 24°C and lows of about 16°C, with a 63% chance of rain on a given day.
Nairobi weather in autumnMarch to May
High 24°CLow 16°CRain 60%
Autumn in Nairobi has typical daily highs of about 24°C and lows of about 16°C, with a 60% chance of rain on a given day.
When is the rainy season in Nairobi?
The rainy (wet) season in Nairobi runs from September to June, peaking in April with a 68% chance of rain on a given day. The dry season is July to August; July is the driest month, at 23%.
What time of year is Nairobi windiest?
Winds in Nairobi are highest in February, averaging 3.3 m/s (12 km/h), and lightest in June, at 1.9 m/s (7 km/h). The prevailing wind is from the E.
What is the average temperature in Nairobi year round?
The average temperature in Nairobi over the whole year is 19°C. February is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 14°C.