Nairobi weather in August

Kenya · long-term averages 2001–2025 · full-year climate of Nairobi

Average high
26 °C79 °F
Average low
12 °C53 °F
Precipitation
22 mm0.9 in
Daylight
12.1 h
Humidity
63%
Cloud amount
67%

In August, Nairobi has an average high of 26 °C79 °F and an average low of 12 °C53 °F, with about 22 mm0.9 in of precipitation. It is the 10th warmest month of the year and ranks 10th for precipitation.

How August compares with other months

Compared with July, August is 0.5 °C0.9 °F warmer on average and wetter by 5 mm0.2 in. Compared with September, August is 1.1 °C2.1 °F cooler on average. Daylight lasts about 12.1 hours around the middle of the month. Average relative humidity is 63% and the average cloud amount 67%.

Is August a good time to visit Nairobi?

Yes — August is one of the most comfortable months to visit Nairobi by our comfort score, which favours average highs of 21–28 °C, lows above 5 °C, little rain and moderate humidity.

What to wear in August

For Nairobi in August, pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.

August in nearby places

August averages in nearby places
PlaceHigh °C°FLow °C°FPrecip. mmin
Nairobi26791253220.9
Ruiru26791355311.2
Thika26801356311.2
Mwala27811356200.8
Karuri27801560712.8
Nakuru23741355893.5
Arusha25781254140.5
Moshi29851559140.6
Kisii25761558973.8

Nearby places that are more than 1 °C1.8 °F warmer in August: Mwala, Karuri and Moshi.

Other months in Nairobi

  • January27 °C81 °F / 13 °C56 °F
  • February29 °C83 °F / 14 °C57 °F
  • March28 °C83 °F / 14 °C58 °F
  • April26 °C79 °F / 14 °C58 °F
  • May25 °C77 °F / 13 °C56 °F
  • June25 °C77 °F / 12 °C54 °F
  • July25 °C77 °F / 12 °C53 °F
  • August26 °C79 °F / 12 °C53 °F
  • September28 °C82 °F / 13 °C55 °F
  • October28 °C82 °F / 13 °C56 °F
  • November26 °C78 °F / 14 °C57 °F
  • December26 °C78 °F / 14 °C57 °F

Frequently asked questions

How warm is Nairobi in August?

In August the average high in Nairobi is 26 °C (79 °F) and the average low is 12 °C (53 °F).

Does it rain a lot in Nairobi in August?

On average about 22 mm (0.9 in) of precipitation falls in August; it ranks 10th of the 12 months.

Is August the warmest month in Nairobi?

No. The warmest month in Nairobi is February, with an average high of 29 °C (83 °F). The coldest month is July, with an average low of 12 °C (53 °F).

How long is the day in Nairobi in August?

In the middle of August the day in Nairobi lasts about 12.1 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.

How humid is Nairobi in August?

The average relative humidity in August is about 63%. This is a long-term average for the whole day.

How cloudy is Nairobi in August?

On average about 67% of the sky is covered by cloud in August. This is the mean cloud amount from satellite data, not the number of sunny days.

About this data

All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.