Climate averages 1991–2020
Garissa weather
in January.
A very hot, fairly dry month: the joint 3rd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a very hot month in Garissa: daytime highs average 34.4°C and nights cool to about 23.8°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 17 mm of rain on roughly 2 days, which makes January a fairly dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 09 min on an average January day.
The nearest other city in this atlas is Meru (228 km away). In January its highs average 24.1°C, 10.3°C cooler than Garissa, with 39 mm of rain.
Among the 37 cities listed in Kenya, Garissa ranks 4th of 37 for the warmest January highs and 5th of 37 for the driest January (rainfall, lowest first). The mean January high of those 37 cities is 27.3°C; Garissa is 7.2°C warmer than that mean.
From January to February, average highs rise by 1.1°C to 35.5°C, and monthly rainfall falls from 17 mm to 3.8 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Meru in JanuaryKenya · 228 kmHigh 24.1°C · Low 13.9°C · 39 mm rain
- Isiolo in JanuaryKenya · 246 kmHigh 28.1°C · Low 16.6°C · 41 mm rain
- Wajir in JanuaryKenya · 249 kmHigh 34.7°C · Low 23.3°C · 9.1 mm rain
- Kaambooni in JanuarySomalia · 253 kmHigh 31.7°C · Low 24.9°C · 14 mm rain
- Mwala in JanuaryKenya · 263 kmHigh 26.1°C · Low 16.4°C · 40 mm rain
- Karuri (Murang'A), Kenya in JanuaryKenya · 275 kmHigh 26.1°C · Low 13.5°C · 26 mm rain
- Nanyuki in JanuaryKenya · 291 kmHigh 22.5°C · Low 11.4°C · 45 mm rain
- Thika in JanuaryKenya · 294 kmHigh 25.1°C · Low 14.2°C · 41 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.