Climate averages 1991–2020
Bariadi weather
in December.
A warm, wet month: the joint 10th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Bariadi: daytime highs average 27.2°C and nights cool to about 18.1°C. By daytime temperature it is the joint 10th warmest of the 12 months.
Expect about 148 mm of rain on roughly 18 days, which makes December a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average December day.
The nearest other city in this atlas is Bunda (87 km away). In December its highs average 26.2°C, 1.0°C cooler than Bariadi, with 164 mm of rain.
Among the 43 cities listed in Tanzania, Bariadi ranks joint 17th of 43 for the warmest December highs and 25th of 43 for the driest December (rainfall, lowest first). The mean December high of those 43 cities is 27.1°C; Bariadi is 0.1°C warmer than that mean.
From December to January, average highs stay level at 27.2°C, and monthly rainfall falls from 148 mm to 118 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
Bariadi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.2°C18.0°C | 18.0°C | 118 | 16.1 | 12.312 h |
| February | 28.3°C18.3°C | 18.3°C | 93 | 13.8 | 12.212 h |
| March | 28.2°C18.3°C | 18.3°C | 134 | 16.9 | 12.112 h |
| April | 27.0°C17.9°C | 17.9°C | 135 | 17.4 | 12.012 h |
| May | 27.8°C18.0°C | 18.0°C | 42 | 7.9 | 12.012 h |
| June | 28.4°C17.7°C | 17.7°C | 7.1 | 1.9 | 12.012 h |
| July | 28.6°C17.0°C | 17.0°C | 3.3 | 0.5 | 12.012 h |
| August | 29.3°C17.5°C | 17.5°C | 11 | 2.4 | 12.012 h |
| September | 30.3°C18.5°C | 18.5°C | 20 | 4.2 | 12.112 h |
| October | 30.0°C18.9°C | 18.9°C | 56 | 9.7 | 12.212 h |
| November | 28.1°C18.4°C | 18.4°C | 128 | 16.0 | 12.212 h |
| December, selected | 27.2°C18.1°C | 18.1°C | 148 | 18.3 | 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
- Bunda in DecemberTanzania · 87 kmHigh 26.2°C · Low 17.9°C · 164 mm rain
- Shinyanga in DecemberTanzania · 115 kmHigh 28.0°C · Low 19.1°C · 113 mm rain
- Mwanza in DecemberTanzania · 124 kmHigh 24.5°C · Low 20.6°C · 224 mm rain
- Musoma in DecemberTanzania · 146 kmHigh 25.2°C · Low 19.7°C · 140 mm rain
- Sengerema in DecemberTanzania · 149 kmHigh 25.2°C · Low 17.4°C · 167 mm rain
- Tarime in DecemberTanzania · 167 kmHigh 26.2°C · Low 15.9°C · 147 mm rain
- Nzega in DecemberTanzania · 181 kmHigh 27.1°C · Low 18.2°C · 134 mm rain
- Kahama in DecemberTanzania · 192 kmHigh 26.6°C · Low 17.7°C · 129 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 Bariadi) is explained once on the Bariadi year overview and on the Sources, method and limits page.