Climate averages 1991–2020
Katumba weather
in December.
A warm, very wet month: the joint 4th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Katumba: daytime highs average 25.1°C and nights cool to about 17.4°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 400 mm of rain on roughly 27 days, which makes December a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 39 min on an average December day.
The nearest other city in this atlas is Vwawa (76 km away). In December its highs average 24.7°C, about as warm as Katumba, with 224 mm of rain.
Among the 43 cities listed in Tanzania, Katumba ranks joint 33rd of 43 for the warmest December highs and 43rd of 43 for the driest December (rainfall, lowest first). The mean December high of those 43 cities is 27.1°C; Katumba is 2.0°C cooler than that mean.
From December to January, average highs fall by 0.1°C to 25.0°C, and monthly rainfall rises from 400 mm to 456 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
Katumba climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.0°C17.6°C | 17.6°C | 456 | 29.4 | 12.613 h |
| February | 25.2°C17.6°C | 17.6°C | 370 | 25.9 | 12.412 h |
| March | 24.3°C17.3°C | 17.3°C | 362 | 29.1 | 12.212 h |
| April | 22.5°C16.4°C | 16.4°C | 186 | 24.5 | 11.912 h |
| May | 21.5°C14.8°C | 14.8°C | 44 | 11.6 | 11.712 h |
| June | 20.1°C12.4°C | 12.4°C | 9.3 | 3.3 | 11.612 h |
| July | 19.7°C11.5°C | 11.5°C | 9.5 | 3.4 | 11.612 h |
| August | 22.2°C12.5°C | 12.5°C | 7.5 | 2.4 | 11.812 h |
| September | 25.1°C14.1°C | 14.1°C | 11 | 3.0 | 12.012 h |
| October | 26.2°C15.9°C | 15.9°C | 48 | 10.0 | 12.312 h |
| November | 26.0°C16.8°C | 16.8°C | 179 | 18.6 | 12.513 h |
| December, selected | 25.1°C17.4°C | 17.4°C | 400 | 27.0 | 12.613 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
- Vwawa in DecemberTanzania · 76 kmHigh 24.7°C · Low 16.0°C · 224 mm rain
- Tunduma in DecemberTanzania · 94 kmHigh 24.0°C · Low 15.1°C · 249 mm rain
- Nakonde in DecemberZambia · 96 kmHigh 24.8°C · Low 15.9°C · 249 mm rain
- Njombe in DecemberTanzania · 127 kmHigh 21.7°C · Low 13.4°C · 171 mm rain
- Makumbako in DecemberTanzania · 140 kmHigh 24.0°C · Low 15.7°C · 162 mm rain
- Mafinga in DecemberTanzania · 211 kmHigh 23.1°C · Low 14.9°C · 288 mm rain
- Mzuzu in DecemberMalawi · 252 kmHigh 24.7°C · Low 17.3°C · 246 mm rain
- Sumbawanga in DecemberTanzania · 261 kmHigh 22.7°C · Low 15.3°C · 282 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 Katumba) is explained once on the Katumba year overview and on the Sources, method and limits page.