Climate averages 1991–2020
Iringa weather
in December.
A warm, wet month: the joint 3rd 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 Iringa: daytime highs average 24.2°C and nights cool to about 15.4°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 131 mm of rain on roughly 19 days, which makes December a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 34 min on an average December day.
The nearest other city in this atlas is Mafinga (74 km away). In December its highs average 23.1°C, 1.1°C cooler than Iringa, with 288 mm of rain.
Among the 43 cities listed in Tanzania, Iringa ranks 37th of 43 for the warmest December highs and 19th of 43 for the driest December (rainfall, lowest first). The mean December high of those 43 cities is 27.1°C; Iringa is 2.9°C cooler than that mean.
From December to January, average highs fall by 1.1°C to 23.1°C, and monthly rainfall rises from 131 mm to 163 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
Iringa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.1°C15.2°C | 15.2°C | 163 | 23.7 | 12.513 h |
| February | 23.4°C15.3°C | 15.3°C | 127 | 20.1 | 12.412 h |
| March | 23.1°C15.6°C | 15.6°C | 130 | 20.5 | 12.112 h |
| April | 22.4°C15.6°C | 15.6°C | 57 | 10.4 | 11.912 h |
| May | 22.6°C14.2°C | 14.2°C | 7.0 | 1.5 | 11.812 h |
| June | 22.0°C12.2°C | 12.2°C | 0.4 | 0.1 | 11.712 h |
| July | 21.4°C11.3°C | 11.3°C | 0.1 | 0.0 | 11.712 h |
| August | 22.6°C11.8°C | 11.8°C | 0.3 | 0.0 | 11.912 h |
| September | 24.2°C12.7°C | 12.7°C | 1.2 | 0.3 | 12.112 h |
| October | 25.5°C14.2°C | 14.2°C | 8.3 | 1.9 | 12.312 h |
| November | 25.8°C15.1°C | 15.1°C | 46 | 7.3 | 12.512 h |
| December, selected | 24.2°C15.4°C | 15.4°C | 131 | 19.2 | 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
- Mafinga in DecemberTanzania · 74 kmHigh 23.1°C · Low 14.9°C · 288 mm rain
- Ifakara in DecemberTanzania · 116 kmHigh 32.0°C · Low 23.0°C · 87 mm rain
- Makumbako in DecemberTanzania · 154 kmHigh 24.0°C · Low 15.7°C · 162 mm rain
- Kilosa in DecemberTanzania · 176 kmHigh 31.0°C · Low 21.5°C · 101 mm rain
- Dodoma in DecemberTanzania · 177 kmHigh 29.6°C · Low 19.3°C · 80 mm rain
- Njombe in DecemberTanzania · 203 kmHigh 21.7°C · Low 13.4°C · 171 mm rain
- Morogoro in DecemberTanzania · 241 kmHigh 30.1°C · Low 22.0°C · 102 mm rain
- Katumba in DecemberTanzania · 281 kmHigh 25.1°C · Low 17.4°C · 400 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 Iringa) is explained once on the Iringa year overview and on the Sources, method and limits page.