The climate of Nyeri is influenced by altitude, and it's pleasantly warm during the day and cool, or even a little chilly, at night. There is a warmer period from January to March and a cooler period from June to August.
The city is located on the Kenyan plateau, at 1,800 meters (5,900 feet) above sea level, between two mountainous areas, the Aberdare mountains to the west and Mount Kenya to the east.
We are in the area of Kenya where there are two rainy periods, corresponding with the two passages of the sun at the zenith. The rainiest months are April, May, October and November.
. Here are the average temperatures.
January is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
18 °C, with a minimum of
10.8 °C and a maximum of
25.3 °C.

On the coldest nights of the month, the temperature usually drops to around
7 °C.

On the warmest days of the month, the temperature usually reaches around
28 °C.

Precipitation amounts to
55 mm, distributed over 9 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
7.6 kph.
February is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
18.8 °C, with a minimum of
10.9 °C and a maximum of
26.6 °C.

On the coldest nights of the month, the temperature usually drops to around
7 °C.

On the warmest days of the month, the temperature usually reaches around
30 °C.

Precipitation amounts to
55 mm, distributed over 9 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 66%.
The average wind speed is of
8.1 kph.
March is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
19.4 °C, with a minimum of
12.6 °C and a maximum of
26.2 °C.

On the coldest nights of the month, the temperature usually drops to around
8.5 °C.

On the warmest days of the month, the temperature usually reaches around
29 °C.

Precipitation amounts to
80 mm, distributed over 12 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 69%.
The average wind speed is of
8.6 kph.
April, the warmest month of the year, is generally a warm month. The average temperature is of
19.4 °C, with a minimum of
14.2 °C and a maximum of
24.6 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C.

On the warmest days of the month, the temperature usually reaches around
28 °C.

Precipitation amounts to
210 mm, distributed over 20 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
8.1 kph.
May is generally a warm month. The average temperature is of
18.7 °C, with a minimum of
14.3 °C and a maximum of
23 °C.

On the coldest nights of the month, the temperature usually drops to around
11 °C.

On the warmest days of the month, the temperature usually reaches around
25.5 °C.

Precipitation amounts to
205 mm, distributed over 19 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
8.1 kph.
June is generally a very mild month. The average temperature is of
17.3 °C, with a minimum of
13.2 °C and a maximum of
21.5 °C.

On the coldest nights of the month, the temperature usually drops to around
9.5 °C.

On the warmest days of the month, the temperature usually reaches around
25.5 °C.

Precipitation amounts to
50 mm, distributed over 10 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
8.1 kph.
July, the coldest month of the year, is generally a very mild month. The average temperature is of
16.3 °C, with a minimum of
12.2 °C and a maximum of
20.3 °C.

On the coldest nights of the month, the temperature usually drops to around
8.5 °C.

On the warmest days of the month, the temperature usually reaches around
25 °C.

Precipitation amounts to
55 mm, distributed over 12 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
7.7 kph.
August is generally a very mild month. The average temperature is of
16.5 °C, with a minimum of
12.2 °C and a maximum of
20.7 °C.

On the coldest nights of the month, the temperature usually drops to around
8.5 °C.

On the warmest days of the month, the temperature usually reaches around
25 °C.

Precipitation amounts to
50 mm, distributed over 13 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
8.8 kph.
September is generally a very mild month. The average temperature is of
18 °C, with a minimum of
12.6 °C and a maximum of
23.3 °C.

On the coldest nights of the month, the temperature usually drops to around
9 °C.

On the warmest days of the month, the temperature usually reaches around
27 °C.

Precipitation amounts to
45 mm, distributed over 9 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
9.5 kph.
October is generally a warm month. The average temperature is of
19 °C, with a minimum of
13.8 °C and a maximum of
24.2 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C.

On the warmest days of the month, the temperature usually reaches around
27.5 °C.

Precipitation amounts to
135 mm, distributed over 14 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
8.9 kph.
November is generally a warm month. The average temperature is of
18.3 °C, with a minimum of
13.2 °C and a maximum of
23.3 °C.

On the coldest nights of the month, the temperature usually drops to around
10 °C.

On the warmest days of the month, the temperature usually reaches around
26.5 °C.

Precipitation amounts to
145 mm, distributed over 20 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
7.4 kph.
December is generally a very mild month. The average temperature is of
17.7 °C, with a minimum of
11.5 °C and a maximum of
24 °C.

On the coldest nights of the month, the temperature usually drops to around
7.5 °C.

On the warmest days of the month, the temperature usually reaches around
27 °C.

Precipitation amounts to
80 mm, distributed over 14 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of
7.5 kph.