Climate averages 1991–2020
Tanga weather
in December.
A hot, moderately wet month: the 4th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Tanga: daytime highs average 31.4°C and nights cool to about 24.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 68 mm of rain on roughly 17 days, which makes December a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 25 min on an average December day.
The nearest other city in this atlas is Ukunda (101 km away). In December its highs average 30.5°C, 0.9°C cooler than Tanga, with 59 mm of rain.
Among the 43 cities listed in Tanzania, Tanga ranks 3rd of 43 for the warmest December highs and 1st of 43 for the driest December (rainfall, lowest first). The mean December high of those 43 cities is 27.1°C; Tanga is 4.3°C warmer than that mean.
From December to January, average highs rise by 1.1°C to 32.6°C, and monthly rainfall falls from 68 mm to 31 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
Tanga climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.6°C25.1°C | 25.1°C | 31 | 8.1 | 12.412 h |
| February | 32.9°C25.2°C | 25.2°C | 31 | 6.4 | 12.312 h |
| March | 32.1°C25.1°C | 25.1°C | 87 | 18.9 | 12.112 h |
| April | 29.7°C24.3°C | 24.3°C | 148 | 23.3 | 12.012 h |
| May | 28.0°C23.2°C | 23.2°C | 165 | 18.4 | 11.912 h |
| June | 27.4°C22.0°C | 22.0°C | 44 | 11.7 | 11.812 h |
| July | 27.1°C21.2°C | 21.2°C | 35 | 11.2 | 11.912 h |
| August | 27.5°C21.0°C | 21.0°C | 40 | 12.9 | 11.912 h |
| September | 28.5°C21.6°C | 21.6°C | 40 | 13.5 | 12.112 h |
| October | 29.3°C22.5°C | 22.5°C | 87 | 16.2 | 12.212 h |
| November | 29.9°C23.5°C | 23.5°C | 84 | 19.2 | 12.312 h |
| December, selected | 31.4°C24.5°C | 24.5°C | 68 | 16.5 | 12.412 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
- Ukunda in DecemberKenya · 101 kmHigh 30.5°C · Low 24.6°C · 59 mm rain
- Matuga in DecemberKenya · 113 kmHigh 29.7°C · Low 23.8°C · 59 mm rain
- Zanzibar in DecemberTanzania · 122 kmHigh 29.6°C · Low 25.5°C · 93 mm rain
- Handeni in DecemberTanzania · 126 kmHigh 29.3°C · Low 20.8°C · 141 mm rain
- Mombasa in DecemberKenya · 129 kmHigh 30.5°C · Low 24.4°C · 46 mm rain
- Jomvu in DecemberKenya · 133 kmHigh 31.3°C · Low 24.0°C · 70 mm rain
- Mtwapa in DecemberKenya · 145 kmHigh 30.8°C · Low 24.4°C · 46 mm rain
- Bagamoyo in DecemberTanzania · 154 kmHigh 30.3°C · Low 24.6°C · 95 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 Tanga) is explained once on the Tanga year overview and on the Sources, method and limits page.