Climate averages 1991–2020
Katumba weather
in May.
A mild, moderately wet month: the 10th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Katumba: daytime highs average 21.5°C and nights cool to about 14.8°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 44 mm of rain on roughly 12 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 42 min on an average May day.
The nearest other city in this atlas is Vwawa (76 km away). In May its highs average 23.6°C, 2.1°C warmer than Katumba, with 23 mm of rain.
Among the 43 cities listed in Tanzania, Katumba ranks 41st of 43 for the warmest May highs and joint 22nd of 43 for the driest May (rainfall, lowest first). The mean May high of those 43 cities is 26.1°C; Katumba is 4.5°C cooler than that mean.
From May to June, average highs fall by 1.4°C to 20.1°C, and monthly rainfall falls from 44 mm to 9.3 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
Katumba climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.0°C17.6°C | 17.6°C | 456 | 29.4 | 12.613 h |
| February | 25.2°C17.6°C | 17.6°C | 370 | 25.9 | 12.412 h |
| March | 24.3°C17.3°C | 17.3°C | 362 | 29.1 | 12.212 h |
| April | 22.5°C16.4°C | 16.4°C | 186 | 24.5 | 11.912 h |
| May, selected | 21.5°C14.8°C | 14.8°C | 44 | 11.6 | 11.712 h |
| June | 20.1°C12.4°C | 12.4°C | 9.3 | 3.3 | 11.612 h |
| July | 19.7°C11.5°C | 11.5°C | 9.5 | 3.4 | 11.612 h |
| August | 22.2°C12.5°C | 12.5°C | 7.5 | 2.4 | 11.812 h |
| September | 25.1°C14.1°C | 14.1°C | 11 | 3.0 | 12.012 h |
| October | 26.2°C15.9°C | 15.9°C | 48 | 10.0 | 12.312 h |
| November | 26.0°C16.8°C | 16.8°C | 179 | 18.6 | 12.513 h |
| December | 25.1°C17.4°C | 17.4°C | 400 | 27.0 | 12.613 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
- Vwawa in MayTanzania · 76 kmHigh 23.6°C · Low 14.4°C · 23 mm rain
- Tunduma in MayTanzania · 94 kmHigh 22.7°C · Low 13.3°C · 14 mm rain
- Nakonde in MayZambia · 96 kmHigh 23.5°C · Low 14.1°C · 14 mm rain
- Njombe in MayTanzania · 127 kmHigh 19.0°C · Low 11.0°C · 18 mm rain
- Makumbako in MayTanzania · 140 kmHigh 21.7°C · Low 13.9°C · 5.1 mm rain
- Mafinga in MayTanzania · 211 kmHigh 20.7°C · Low 13.1°C · 14 mm rain
- Mzuzu in MayMalawi · 252 kmHigh 21.4°C · Low 13.7°C · 50 mm rain
- Sumbawanga in MayTanzania · 261 kmHigh 22.7°C · Low 13.5°C · 30 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 Katumba) is explained once on the Katumba year overview and on the Sources, method and limits page.