Climate averages 1991–2020
Mtwara weather
in December.
A hot, wet month: one of the warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Mtwara: daytime highs average 29.0°C and nights cool to about 25.5°C. By daytime temperature it is one of the warmest months of the year.
Expect about 123 mm of rain on roughly 21 days, which makes December a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 43 min on an average December day.
The nearest other city in this atlas is Lindi (59 km away). In December its highs average 30.7°C, 1.7°C warmer than Mtwara, with 125 mm of rain.
Among the 43 cities listed in Tanzania, Mtwara ranks 14th of 43 for the warmest December highs and 16th of 43 for the driest December (rainfall, lowest first). The mean December high of those 43 cities is 27.1°C; Mtwara is 1.9°C warmer than that mean.
From December to January, average highs fall by 0.3°C to 28.7°C, and monthly rainfall rises from 123 mm to 186 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
Mtwara climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C25.8°C | 25.8°C | 186 | 20.5 | 12.613 h |
| February | 28.7°C25.7°C | 25.7°C | 146 | 18.6 | 12.412 h |
| March | 28.9°C25.2°C | 25.2°C | 182 | 23.8 | 12.212 h |
| April | 28.9°C24.7°C | 24.7°C | 115 | 18.5 | 11.912 h |
| May | 28.9°C23.9°C | 23.9°C | 37 | 7.2 | 11.712 h |
| June | 28.5°C22.6°C | 22.6°C | 8.0 | 1.8 | 11.512 h |
| July | 27.9°C21.9°C | 21.9°C | 4.9 | 1.3 | 11.612 h |
| August | 27.9°C22.0°C | 22.0°C | 5.7 | 1.6 | 11.812 h |
| September | 27.9°C22.7°C | 22.7°C | 9.6 | 3.2 | 12.012 h |
| October | 28.4°C23.8°C | 23.8°C | 19 | 6.0 | 12.312 h |
| November | 29.0°C24.9°C | 24.9°C | 42 | 10.7 | 12.613 h |
| December, selected | 29.0°C25.5°C | 25.5°C | 123 | 20.9 | 12.713 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
- Lindi in DecemberTanzania · 59 kmHigh 30.7°C · Low 24.3°C · 125 mm rain
- Masasi in DecemberTanzania · 159 kmHigh 31.6°C · Low 22.2°C · 103 mm rain
- Pemba in DecemberMozambique · 303 kmHigh 30.7°C · Low 24.8°C · 166 mm rain
- Montepuez in DecemberMozambique · 343 kmHigh 30.2°C · Low 21.6°C · 151 mm rain
- Moroni in DecemberComoros · 371 kmHigh 30.0°C · Low 25.9°C · 166 mm rain
- Vikindu in DecemberTanzania · 375 kmHigh 30.1°C · Low 24.6°C · 91 mm rain
- Dar es Salaam in DecemberTanzania · 396 kmHigh 30.2°C · Low 24.9°C · 94 mm rain
- Kibaha in DecemberTanzania · 413 kmHigh 30.5°C · Low 23.4°C · 104 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 Mtwara) is explained once on the Mtwara year overview and on the Sources, method and limits page.