Mwanza climate
Mwanza is warmest in February, with average highs of 26 °C, and coldest in July, when nights average 20 °C. November is the wettest month (259 mm) and July the driest (12 mm). Figures are 1991–2020 climate normals.
Across a full year Mwanza averages 1,613 mm of rain and 224 days above 25 °C.
Tanzania · population 1,104,521 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month February 26 °C
- Coldest month July 20 °C
- Driest month July 12 mm
- Wettest month November 259 mm
- Least cloud July 47 % cloud
- Hottest on record April 32 °C
- Coldest on record July 16 °C
What to expectMwanza through the year
Mwanza changes little through the year. Average daily highs stay between 26 and 26 °C, so no month stands out as a season in the way it would further from the equator.
Counted across a normal year, 224 days a year reach 25 °C, 1 of them reach 30 °C. The warmest reading in the 1991–2020 record is 32 °C, in April.
Rain is strongly seasonal. November averages 259 mm against 12 mm in July — 21 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 25.1 °C | 156 mm | 68 % |
| February | 26.0 °C | 112 mm | 66 % |
| March | 25.9 °C | 177 mm | 69 % |
| April | 25.5 °C | 187 mm | 77 % |
| May | 25.8 °C | 89 mm | 63 % |
| June | 25.9 °C | 34 mm | 56 % |
| July | 25.7 °C | 12 mm | 47 % |
| August | 25.7 °C | 53 mm | 48 % |
| September | 25.9 °C | 105 mm | 56 % |
| October | 25.1 °C | 211 mm | 73 % |
| November | 24.5 °C | 259 mm | 78 % |
| December | 24.5 °C | 218 mm | 70 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 25.1 °C | 20.6 °C | 23.0 °C | 30.1 °C | 17.8 °C | 14 | 0 | 0 |
| February | 26.0 °C | 21.1 °C | 23.7 °C | 31.4 °C | 18.4 °C | 21 | 0 | 0 |
| March | 25.9 °C | 21.1 °C | 23.6 °C | 30.9 °C | 17.6 °C | 22 | 0 | 0 |
| April | 25.5 °C | 20.8 °C | 23.1 °C | 31.6 °C | 17.5 °C | 19 | 0 | 0 |
| May | 25.8 °C | 20.7 °C | 23.3 °C | 30.2 °C | 16.4 °C | 23 | 0 | 0 |
| June | 25.9 °C | 20.2 °C | 23.2 °C | 30.4 °C | 16.5 °C | 24 | 0 | 0 |
| July | 25.7 °C | 19.6 °C | 22.9 °C | 29.8 °C | 15.9 °C | 25 | 0 | 0 |
| August | 25.7 °C | 20.1 °C | 23.1 °C | 30.2 °C | 16.8 °C | 23 | 0 | 0 |
| September | 25.9 °C | 20.6 °C | 23.4 °C | 30.6 °C | 17.6 °C | 20 | 0 | 0 |
| October | 25.1 °C | 20.6 °C | 23.1 °C | 30.4 °C | 17.6 °C | 14 | 0 | 0 |
| November | 24.5 °C | 20.4 °C | 22.6 °C | 28.2 °C | 17.8 °C | 9 | 0 | 0 |
| December | 24.5 °C | 20.4 °C | 22.6 °C | 28.5 °C | 17.6 °C | 10 | 0 | 0 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 156 mm | 22 | 12 h/day | 68 % | 77 % | 15 km/h |
| February | 112 mm | 16 | 12 h/day | 66 % | 74 % | 17 km/h |
| March | 177 mm | 19 | 12 h/day | 69 % | 75 % | 16 km/h |
| April | 187 mm | 20 | 12 h/day | 77 % | 76 % | 17 km/h |
| May | 89 mm | 13 | 12 h/day | 63 % | 70 % | 18 km/h |
| June | 34 mm | 6 | 12 h/day | 56 % | 62 % | 20 km/h |
| July | 12 mm | 3 | 12 h/day | 47 % | 57 % | 22 km/h |
| August | 53 mm | 8 | 12 h/day | 48 % | 62 % | 21 km/h |
| September | 105 mm | 15 | 12 h/day | 56 % | 67 % | 19 km/h |
| October | 211 mm | 24 | 12 h/day | 73 % | 74 % | 18 km/h |
| November | 259 mm | 26 | 12 h/day | 78 % | 78 % | 15 km/h |
| December | 218 mm | 25 | 12 h/day | 70 % | 78 % | 15 km/h |
How Mwanza compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Mwanza | 26 °C | 20 °C | 1,613 mm | 224 |
| Geita · Tanzania | 28 °C | 17 °C | 1,308 mm | 311 |
| Bunda · Tanzania | 29 °C | 17 °C | 1,169 mm | 323 |
| Bariadi · Tanzania | 30 °C | 17 °C | 877 mm | 341 |
| Kahama · Tanzania | 30 °C | 17 °C | 761 mm | 344 |
| Musoma · Tanzania | 27 °C | 19 °C | 1,186 mm | 270 |
| Tabora · Tanzania | 31 °C | 17 °C | 769 mm | 348 |
Planning a trip? See the best time to visit Mwanza.
QuestionsCommon questions about Mwanza’s climate
When is the best time to visit Mwanza?
That depends on what you want, so the honest answer is a comparison rather than a single month. July, November, December sit closest to 20 °C on average, February is the warmest month and July the driest. The month-by-month table above has the full picture.
How hot does Mwanza get?
In February, the warmest month, daily highs average 26 °C. About 1 days a year pass 30 °C. The highest value in the 1991–2020 record is 32 °C.
How cold does it get in winter?
Nights average 20 °C in July, the coldest month. Freezing nights are not part of a normal year here.
Which month is wettest in Mwanza?
November, averaging 259 mm over 26 days with rain. The driest month is July with 12 mm. The year as a whole averages 1,613 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Mwanza rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.