Climate averages 1991–2020
Khwisero weather
in May.
A warm, very wet month: the 9th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Khwisero: daytime highs average 24.7°C and nights cool to about 16.1°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 237 mm of rain on roughly 28 days, which makes May a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average May day.
The nearest other city in this atlas is Kakamega (22 km away). In May its highs average 24.7°C, about as warm as Khwisero, with 194 mm of rain.
Among the 37 cities listed in Kenya, Khwisero ranks joint 16th of 37 for the warmest May highs and 35th of 37 for the driest May (rainfall, lowest first). The mean May high of those 37 cities is 25.2°C; Khwisero is 0.5°C cooler than that mean.
From May to June, average highs fall by 0.5°C to 24.2°C, and monthly rainfall falls from 237 mm to 144 mm.
The annual picture
May 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
Khwisero climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.5°C16.0°C | 16.0°C | 101 | 15.8 | 12.112 h |
| February | 27.5°C16.6°C | 16.6°C | 82 | 13.8 | 12.112 h |
| March | 26.9°C16.5°C | 16.5°C | 158 | 21.6 | 12.112 h |
| April | 25.3°C16.4°C | 16.4°C | 256 | 27.3 | 12.112 h |
| May, selected | 24.7°C16.1°C | 16.1°C | 237 | 28.3 | 12.112 h |
| June | 24.2°C15.7°C | 15.7°C | 144 | 24.8 | 12.112 h |
| July | 23.9°C15.5°C | 15.5°C | 119 | 22.0 | 12.112 h |
| August | 24.4°C15.6°C | 15.6°C | 139 | 24.7 | 12.112 h |
| September | 25.3°C15.7°C | 15.7°C | 137 | 24.7 | 12.112 h |
| October | 25.2°C16.0°C | 16.0°C | 189 | 27.9 | 12.112 h |
| November | 25.0°C15.8°C | 15.8°C | 197 | 25.8 | 12.112 h |
| December | 25.6°C15.6°C | 15.6°C | 137 | 20.0 | 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
May in nearby cities
- Kakamega in MayKenya · 22 kmHigh 24.7°C · Low 14.7°C · 194 mm rain
- Kisumu in MayKenya · 36 kmHigh 26.8°C · Low 18.1°C · 206 mm rain
- Busia in MayKenya · 63 kmHigh 25.6°C · Low 17.0°C · 276 mm rain
- Eldoret in MayKenya · 85 kmHigh 22.4°C · Low 13.0°C · 245 mm rain
- Kisii in MayKenya · 97 kmHigh 24.5°C · Low 15.3°C · 176 mm rain
- Kitale in MayKenya · 104 kmHigh 20.1°C · Low 12.1°C · 220 mm rain
- Migori in MayKenya · 138 kmHigh 26.2°C · Low 17.0°C · 151 mm rain
- Njeru in MayUganda · 160 kmHigh 24.6°C · Low 19.5°C · 215 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 Khwisero) is explained once on the Khwisero year overview and on the Sources, method and limits page.