Climate averages 1991–2020
Mwanza weather
in August.
A warm, moderately wet month: the joint 6th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Mwanza: daytime highs average 25.5°C and nights cool to about 20.3°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 53 mm of rain on roughly 8 days, which makes August a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 02 min on an average August day.
The nearest other city in this atlas is Sengerema (32 km away). In August its highs average 28.1°C, 2.6°C warmer than Mwanza, with 34 mm of rain.
Among the 43 cities listed in Tanzania, Mwanza ranks 31st of 43 for the warmest August highs and 41st of 43 for the driest August (rainfall, lowest first). The mean August high of those 43 cities is 26.7°C; Mwanza is 1.2°C cooler than that mean.
From August to September, average highs rise by 0.2°C to 25.7°C, and monthly rainfall rises from 53 mm to 104 mm.
The annual picture
August 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
Mwanza climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.0°C20.9°C | 20.9°C | 159 | 22.3 | 12.212 h |
| February | 25.9°C21.4°C | 21.4°C | 116 | 15.8 | 12.212 h |
| March | 25.9°C21.4°C | 21.4°C | 181 | 19.2 | 12.112 h |
| April | 25.4°C21.0°C | 21.0°C | 195 | 20.0 | 12.112 h |
| May | 25.7°C21.0°C | 21.0°C | 88 | 12.6 | 12.012 h |
| June | 25.7°C20.5°C | 20.5°C | 33 | 6.2 | 12.012 h |
| July | 25.5°C19.9°C | 19.9°C | 12 | 2.7 | 12.012 h |
| August, selected | 25.5°C20.3°C | 20.3°C | 53 | 8.3 | 12.012 h |
| September | 25.7°C20.9°C | 20.9°C | 104 | 15.4 | 12.112 h |
| October | 25.1°C20.8°C | 20.8°C | 211 | 24.4 | 12.212 h |
| November | 24.4°C20.7°C | 20.7°C | 266 | 26.0 | 12.212 h |
| December | 24.5°C20.6°C | 20.6°C | 224 | 25.7 | 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
August in nearby cities
- Sengerema in AugustTanzania · 32 kmHigh 28.1°C · Low 17.8°C · 34 mm rain
- Geita in AugustTanzania · 84 kmHigh 28.5°C · Low 17.9°C · 41 mm rain
- Katoro in AugustTanzania · 120 kmHigh 28.4°C · Low 18.1°C · 29 mm rain
- Bunda in AugustTanzania · 121 kmHigh 28.4°C · Low 18.1°C · 34 mm rain
- Bariadi in AugustTanzania · 124 kmHigh 29.3°C · Low 17.5°C · 11 mm rain
- Shinyanga in AugustTanzania · 140 kmHigh 30.4°C · Low 18.2°C · 2.4 mm rain
- Kahama in AugustTanzania · 150 kmHigh 29.3°C · Low 18.2°C · 7.1 mm rain
- Ushirombo in AugustTanzania · 150 kmHigh 29.6°C · Low 18.3°C · 8.5 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 Mwanza) is explained once on the Mwanza year overview and on the Sources, method and limits page.