Climate averages 1991–2020
Ruiru weather
in April.
A warm, wet month: the joint 5th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Ruiru: daytime highs average 24.3°C and nights cool to about 15.7°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 120 mm of rain on roughly 22 days, which makes April a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average April day.
The nearest other city in this atlas is Thika (17 km away). In April its highs average 24.4°C, about as warm as Ruiru, with 179 mm of rain.
Among the 37 cities listed in Kenya, Ruiru ranks joint 25th of 37 for the warmest April highs and 17th of 37 for the driest April (rainfall, lowest first). The mean April high of those 37 cities is 26.3°C; Ruiru is 1.9°C cooler than that mean.
From April to May, average highs fall by 1.1°C to 23.2°C, and monthly rainfall falls from 120 mm to 74 mm.
The annual picture
April 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
Ruiru climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.1°C13.6°C | 13.6°C | 30 | 6.8 | 12.212 h |
| February | 26.6°C14.1°C | 14.1°C | 21 | 5.1 | 12.112 h |
| March | 26.4°C15.1°C | 15.1°C | 58 | 12.7 | 12.112 h |
| April, selected | 24.3°C15.7°C | 15.7°C | 120 | 22.0 | 12.112 h |
| May | 23.2°C14.8°C | 14.8°C | 74 | 15.1 | 12.112 h |
| June | 22.2°C13.4°C | 13.4°C | 28 | 5.7 | 12.112 h |
| July | 21.7°C12.3°C | 12.3°C | 8.5 | 2.0 | 12.112 h |
| August | 22.2°C12.6°C | 12.6°C | 12 | 2.6 | 12.112 h |
| September | 24.3°C13.2°C | 13.2°C | 9.5 | 2.1 | 12.112 h |
| October | 24.9°C14.6°C | 14.6°C | 44 | 9.6 | 12.112 h |
| November | 22.9°C14.8°C | 14.8°C | 123 | 21.1 | 12.212 h |
| December | 23.5°C14.0°C | 14.0°C | 57 | 13.7 | 12.212 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
April in nearby cities
- Thika in AprilKenya · 17 kmHigh 24.4°C · Low 15.9°C · 179 mm rain
- Nairobi in AprilKenya · 22 kmHigh 24.4°C · Low 15.8°C · 114 mm rain
- Karuri (Kiambu County), Kenya in AprilKenya · 23 kmHigh 22.6°C · Low 14.3°C · 114 mm rain
- Mlolongo in AprilKenya · 28 kmHigh 24.4°C · Low 16.1°C · 132 mm rain
- Kikuyu in AprilKenya · 35 kmHigh 22.3°C · Low 13.9°C · 114 mm rain
- Ongata Rongai in AprilKenya · 35 kmHigh 23.9°C · Low 15.7°C · 100 mm rain
- Limuru in AprilKenya · 36 kmHigh 21.1°C · Low 12.4°C · 133 mm rain
- Kitengela in AprilKenya · 37 kmHigh 24.5°C · Low 16.4°C · 132 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 Ruiru) is explained once on the Ruiru year overview and on the Sources, method and limits page.