Climate averages 1991–2020
Kahama weather
in December.
A warm, wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Kahama: daytime highs average 26.6°C and nights cool to about 17.7°C. By daytime temperature it is the coolest month of the year.
Expect about 129 mm of rain on roughly 20 days, which makes December a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average December day.
The nearest other city in this atlas is Nzega (77 km away). In December its highs average 27.1°C, 0.5°C warmer than Kahama, with 134 mm of rain.
Among the 43 cities listed in Tanzania, Kahama ranks 22nd of 43 for the warmest December highs and 18th of 43 for the driest December (rainfall, lowest first). The mean December high of those 43 cities is 27.1°C; Kahama is 0.5°C cooler than that mean.
From December to January, average highs rise by 0.3°C to 26.9°C, and monthly rainfall falls from 129 mm to 114 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
Kahama climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C17.8°C | 17.8°C | 114 | 18.3 | 12.312 h |
| February | 27.8°C18.2°C | 18.2°C | 87 | 14.7 | 12.212 h |
| March | 27.7°C18.3°C | 18.3°C | 120 | 17.1 | 12.112 h |
| April | 26.8°C18.1°C | 18.1°C | 104 | 15.3 | 12.012 h |
| May | 28.0°C18.5°C | 18.5°C | 25 | 4.5 | 11.912 h |
| June | 28.5°C18.1°C | 18.1°C | 2.4 | 0.5 | 11.912 h |
| July | 28.5°C17.4°C | 17.4°C | 1.0 | 0.2 | 11.912 h |
| August | 29.3°C18.2°C | 18.2°C | 7.1 | 1.2 | 12.012 h |
| September | 30.4°C19.1°C | 19.1°C | 13 | 2.5 | 12.112 h |
| October | 30.2°C19.5°C | 19.5°C | 42 | 7.5 | 12.212 h |
| November | 27.7°C18.4°C | 18.4°C | 117 | 16.0 | 12.312 h |
| December, selected | 26.6°C17.7°C | 17.7°C | 129 | 19.8 | 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
- Nzega in DecemberTanzania · 77 kmHigh 27.1°C · Low 18.2°C · 134 mm rain
- Ushirombo in DecemberTanzania · 80 kmHigh 26.5°C · Low 17.3°C · 151 mm rain
- Shinyanga in DecemberTanzania · 93 kmHigh 28.0°C · Low 19.1°C · 113 mm rain
- Geita in DecemberTanzania · 114 kmHigh 25.6°C · Low 17.3°C · 191 mm rain
- Katoro in DecemberTanzania · 119 kmHigh 25.4°C · Low 17.3°C · 201 mm rain
- Sengerema in DecemberTanzania · 130 kmHigh 25.2°C · Low 17.4°C · 167 mm rain
- Tabora in DecemberTanzania · 134 kmHigh 27.2°C · Low 18.5°C · 155 mm rain
- Mwanza in DecemberTanzania · 150 kmHigh 24.5°C · Low 20.6°C · 224 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 Kahama) is explained once on the Kahama year overview and on the Sources, method and limits page.