Climate averages 1991–2020
Mwanza weather
in May.
A warm, moderately wet month: the joint 3rd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Mwanza: daytime highs average 25.7°C and nights cool to about 21.0°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 88 mm of rain on roughly 13 days, which makes May a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 00 min on an average May day.
The nearest other city in this atlas is Sengerema (32 km away). In May its highs average 26.9°C, 1.2°C warmer than Mwanza, with 44 mm of rain.
Among the 43 cities listed in Tanzania, Mwanza ranks 29th of 43 for the warmest May highs and 33rd of 43 for the driest May (rainfall, lowest first). The mean May high of those 43 cities is 26.1°C; Mwanza is 0.4°C cooler than that mean.
From May to June, average highs stay level at 25.7°C, and monthly rainfall falls from 88 mm to 33 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Sengerema in MayTanzania · 32 kmHigh 26.9°C · Low 18.2°C · 44 mm rain
- Geita in MayTanzania · 84 kmHigh 26.9°C · Low 17.9°C · 60 mm rain
- Katoro in MayTanzania · 120 kmHigh 26.6°C · Low 17.8°C · 58 mm rain
- Bunda in MayTanzania · 121 kmHigh 26.8°C · Low 18.1°C · 81 mm rain
- Bariadi in MayTanzania · 124 kmHigh 27.8°C · Low 18.0°C · 42 mm rain
- Shinyanga in MayTanzania · 140 kmHigh 29.4°C · Low 19.1°C · 18 mm rain
- Kahama in MayTanzania · 150 kmHigh 28.0°C · Low 18.5°C · 25 mm rain
- Ushirombo in MayTanzania · 150 kmHigh 27.5°C · Low 17.9°C · 33 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.