Climate averages 1991–2020
Geita weather
in December.
A warm, very wet month: the coolest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Geita: daytime highs average 25.6°C and nights cool to about 17.3°C. By daytime temperature it is the coolest month of the year.
Expect about 191 mm of rain on roughly 25 days, which makes December a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average December day.
The nearest other city in this atlas is Katoro (36 km away). In December its highs average 25.4°C, about as warm as Geita, with 201 mm of rain.
Among the 43 cities listed in Tanzania, Geita ranks joint 28th of 43 for the warmest December highs and 33rd of 43 for the driest December (rainfall, lowest first). The mean December high of those 43 cities is 27.1°C; Geita is 1.5°C cooler than that mean.
From December to January, average highs rise by 0.5°C to 26.2°C, and monthly rainfall falls from 191 mm to 135 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
Geita climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.2°C17.3°C | 17.3°C | 135 | 22.1 | 12.312 h |
| February | 27.2°C17.7°C | 17.7°C | 100 | 16.5 | 12.212 h |
| March | 27.1°C17.9°C | 17.9°C | 149 | 20.3 | 12.112 h |
| April | 26.3°C17.8°C | 17.8°C | 163 | 20.0 | 12.012 h |
| May | 26.9°C17.9°C | 17.9°C | 60 | 9.6 | 12.012 h |
| June | 27.7°C17.6°C | 17.6°C | 20 | 3.6 | 12.012 h |
| July | 28.2°C17.4°C | 17.4°C | 8.5 | 1.5 | 12.012 h |
| August | 28.5°C17.9°C | 17.9°C | 41 | 6.4 | 12.012 h |
| September | 28.4°C18.0°C | 18.0°C | 81 | 12.4 | 12.112 h |
| October | 27.1°C17.9°C | 17.9°C | 152 | 21.4 | 12.212 h |
| November | 25.7°C17.5°C | 17.5°C | 215 | 26.3 | 12.212 h |
| December, selected | 25.6°C17.3°C | 17.3°C | 191 | 25.0 | 12.312 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
- Katoro in DecemberTanzania · 36 kmHigh 25.4°C · Low 17.3°C · 201 mm rain
- Sengerema in DecemberTanzania · 52 kmHigh 25.2°C · Low 17.4°C · 167 mm rain
- Ushirombo in DecemberTanzania · 75 kmHigh 26.5°C · Low 17.3°C · 151 mm rain
- Mwanza in DecemberTanzania · 84 kmHigh 24.5°C · Low 20.6°C · 224 mm rain
- Kahama in DecemberTanzania · 114 kmHigh 26.6°C · Low 17.7°C · 129 mm rain
- Shinyanga in DecemberTanzania · 159 kmHigh 28.0°C · Low 19.1°C · 113 mm rain
- Bukoba in DecemberTanzania · 178 kmHigh 24.1°C · Low 19.6°C · 140 mm rain
- Nzega in DecemberTanzania · 183 kmHigh 27.1°C · Low 18.2°C · 134 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 Geita) is explained once on the Geita year overview and on the Sources, method and limits page.