Climate averages 1991–2020
Nanyuki weather
in August.
A mild, moderately wet month: the 11th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Nanyuki: daytime highs average 20.3°C and nights cool to about 12.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 54 mm of rain on roughly 11 days, which makes August a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average August day.
The nearest other city in this atlas is Nyeri (49 km away). In August its highs average 18.9°C, 1.5°C cooler than Nanyuki, with 57 mm of rain.
Among the 37 cities listed in Kenya, Nanyuki ranks 31st of 37 for the warmest August highs and 26th of 37 for the driest August (rainfall, lowest first). The mean August high of those 37 cities is 24.3°C; Nanyuki is 4.0°C cooler than that mean.
From August to September, average highs rise by 1.3°C to 21.6°C, and monthly rainfall falls from 54 mm to 41 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nanyuki climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.5°C11.4°C | 11.4°C | 45 | 7.5 | 12.112 h |
| February | 23.8°C11.4°C | 11.4°C | 32 | 4.9 | 12.112 h |
| March | 23.9°C12.1°C | 12.1°C | 66 | 10.5 | 12.112 h |
| April | 22.5°C13.5°C | 13.5°C | 218 | 19.7 | 12.112 h |
| May | 21.6°C13.7°C | 13.7°C | 199 | 15.4 | 12.112 h |
| June | 20.9°C12.8°C | 12.8°C | 42 | 8.9 | 12.112 h |
| July | 20.0°C12.0°C | 12.0°C | 45 | 10.2 | 12.112 h |
| August, selected | 20.3°C12.1°C | 12.1°C | 54 | 10.9 | 12.112 h |
| September | 21.6°C12.3°C | 12.3°C | 41 | 8.5 | 12.112 h |
| October | 21.7°C12.7°C | 12.7°C | 219 | 18.1 | 12.112 h |
| November | 20.8°C12.5°C | 12.5°C | 203 | 22.4 | 12.112 h |
| December | 21.4°C11.9°C | 11.9°C | 62 | 12.8 | 12.112 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Nyeri in AugustKenya · 49 kmHigh 18.9°C · Low 10.7°C · 57 mm rain
- Meru in AugustKenya · 65 kmHigh 23.0°C · Low 13.6°C · 11 mm rain
- Isiolo in AugustKenya · 69 kmHigh 27.7°C · Low 16.7°C · 40 mm rain
- Karuri (Murang'A), Kenya in AugustKenya · 79 kmHigh 23.1°C · Low 13.9°C · 27 mm rain
- Naivasha in AugustKenya · 107 kmHigh 19.7°C · Low 11.7°C · 50 mm rain
- Thika in AugustKenya · 116 kmHigh 22.5°C · Low 13.2°C · 32 mm rain
- Nakuru in AugustKenya · 117 kmHigh 21.7°C · Low 11.7°C · 72 mm rain
- Ruiru in AugustKenya · 129 kmHigh 22.2°C · Low 12.6°C · 12 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nanyuki) is explained once on the Nanyuki year overview and on the Sources, method and limits page.