Mwanza is warmest in August, averaging 30° by day and 20° at night. The wettest month is November with 300 mm, and the year brings about 1521 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 25° | 21° | 161 mm | 12.1 h | Mild |
| February | 26° | 20° | 143 mm | 12.1 h | Mild |
| March | 27° | 20° | 174 mm | 12.0 h | Mild |
| April | 26° | 20° | 198 mm | 11.9 h | Rainy season |
| May | 27° | 19° | 59 mm | 11.9 h | Beach weather |
| June | 28° | 18° | 6 mm | 11.9 h | Beach weather |
| July | 29° | 18° | 3 mm | 11.9 h | Beach weather |
| August | 30° | 20° | 40 mm | 11.9 h | Beach weather |
| September | 30° | 21° | 96 mm | 12.0 h | Beach weather |
| October | 29° | 21° | 105 mm | 12.1 h | Beach weather |
| November | 27° | 20° | 300 mm | 12.1 h | Rainy season |
| December | 26° | 21° | 236 mm | 12.1 h | Rainy season |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: May, June, July, August, September and October — highs around 29°, nights no colder than 18°, and at most 105 mm of rain in a month.
Wet season: April, November and December — up to 300 mm in a single month.