Climate averages 1991–2020
Kisumu weather
in December.
A warm, wet month: the joint 5th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Kisumu: daytime highs average 27.9°C and nights cool to about 17.9°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 179 mm of rain on roughly 21 days, which makes December a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average December day.
The nearest other city in this atlas is Khwisero (36 km away). In December its highs average 25.6°C, 2.3°C cooler than Kisumu, with 137 mm of rain.
Among the 37 cities listed in Kenya, Kisumu ranks 12th of 37 for the warmest December highs and 35th of 37 for the driest December (rainfall, lowest first). The mean December high of those 37 cities is 26.0°C; Kisumu is 1.9°C warmer than that mean.
From December to January, average highs rise by 0.9°C to 28.8°C, and monthly rainfall falls from 179 mm to 116 mm.
The annual picture
December 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
Kisumu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C18.3°C | 18.3°C | 116 | 15.7 | 12.112 h |
| February | 30.0°C18.8°C | 18.8°C | 89 | 13.2 | 12.112 h |
| March | 29.2°C18.8°C | 18.8°C | 182 | 20.2 | 12.112 h |
| April | 27.3°C18.5°C | 18.5°C | 281 | 27.0 | 12.112 h |
| May | 26.8°C18.1°C | 18.1°C | 206 | 26.3 | 12.112 h |
| June | 26.7°C17.9°C | 17.9°C | 103 | 20.7 | 12.112 h |
| July | 26.6°C17.9°C | 17.9°C | 92 | 18.1 | 12.112 h |
| August | 27.2°C18.0°C | 18.0°C | 100 | 19.2 | 12.112 h |
| September | 28.2°C18.2°C | 18.2°C | 106 | 19.5 | 12.112 h |
| October | 27.9°C18.4°C | 18.4°C | 194 | 25.5 | 12.112 h |
| November | 27.4°C18.1°C | 18.1°C | 247 | 25.0 | 12.112 h |
| December, selected | 27.9°C17.9°C | 17.9°C | 179 | 20.7 | 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
December in nearby cities
- Khwisero in DecemberKenya · 36 kmHigh 25.6°C · Low 15.6°C · 137 mm rain
- Kakamega in DecemberKenya · 43 kmHigh 26.1°C · Low 13.9°C · 136 mm rain
- Kisii in DecemberKenya · 64 kmHigh 24.5°C · Low 14.5°C · 216 mm rain
- Eldoret in DecemberKenya · 89 kmHigh 23.0°C · Low 11.9°C · 65 mm rain
- Busia in DecemberKenya · 96 kmHigh 26.4°C · Low 16.8°C · 142 mm rain
- Migori in DecemberKenya · 112 kmHigh 25.9°C · Low 16.4°C · 169 mm rain
- Kitale in DecemberKenya · 127 kmHigh 21.1°C · Low 11.1°C · 71 mm rain
- Tarime in DecemberTanzania · 146 kmHigh 26.2°C · Low 15.9°C · 147 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 Kisumu) is explained once on the Kisumu year overview and on the Sources, method and limits page.