Climate averages 1991–2020
Garissa weather
in May.
A hot, fairly dry month: the 6th warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Garissa: daytime highs average 33.2°C and nights cool to about 24.0°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 16 mm of rain on roughly 3 days, which makes May a fairly dry month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 06 min on an average May day.
The nearest other city in this atlas is Meru (228 km away). In May its highs average 23.7°C, 9.4°C cooler than Garissa, with 37 mm of rain.
Among the 37 cities listed in Kenya, Garissa ranks joint 2nd of 37 for the warmest May highs and 1st of 37 for the driest May (rainfall, lowest first). The mean May high of those 37 cities is 25.2°C; Garissa is 8.0°C warmer than that mean.
From May to June, average highs fall by 1.1°C to 32.1°C, and monthly rainfall falls from 16 mm to 2.1 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
Garissa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 34.4°C23.8°C | 23.8°C | 17 | 1.9 | 12.112 h |
| February | 35.5°C24.2°C | 24.2°C | 3.8 | 0.9 | 12.112 h |
| March | 35.6°C25.1°C | 25.1°C | 20 | 3.6 | 12.112 h |
| April | 34.4°C24.9°C | 24.9°C | 36 | 7.9 | 12.112 h |
| May, selected | 33.2°C24.0°C | 24.0°C | 16 | 3.1 | 12.112 h |
| June | 32.1°C22.8°C | 22.8°C | 2.1 | 0.4 | 12.112 h |
| July | 31.2°C21.8°C | 21.8°C | 2.0 | 0.3 | 12.112 h |
| August | 31.5°C21.6°C | 21.6°C | 2.4 | 0.2 | 12.112 h |
| September | 32.6°C22.1°C | 22.1°C | 4.6 | 0.8 | 12.112 h |
| October | 33.6°C23.2°C | 23.2°C | 16 | 3.6 | 12.112 h |
| November | 32.4°C23.7°C | 23.7°C | 67 | 11.8 | 12.112 h |
| December | 32.8°C23.7°C | 23.7°C | 42 | 7.6 | 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
- Meru in MayKenya · 228 kmHigh 23.7°C · Low 15.6°C · 37 mm rain
- Isiolo in MayKenya · 246 kmHigh 28.9°C · Low 18.5°C · 47 mm rain
- Wajir in MayKenya · 249 kmHigh 32.6°C · Low 23.9°C · 20 mm rain
- Kaambooni in MaySomalia · 253 kmHigh 29.1°C · Low 24.9°C · 154 mm rain
- Mwala in MayKenya · 263 kmHigh 24.7°C · Low 16.6°C · 40 mm rain
- Karuri (Murang'A), Kenya in MayKenya · 275 kmHigh 23.8°C · Low 15.8°C · 135 mm rain
- Nanyuki in MayKenya · 291 kmHigh 21.6°C · Low 13.7°C · 199 mm rain
- Thika in MayKenya · 294 kmHigh 23.4°C · Low 15.1°C · 136 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 Garissa) is explained once on the Garissa year overview and on the Sources, method and limits page.