Climate averages 1991–2020
Gulu weather
in May.
A warm, very wet month: the 9th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Gulu: daytime highs average 27.3°C and nights cool to about 19.1°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 184 mm of rain on roughly 24 days, which makes May a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average May day.
The nearest other city in this atlas is Lira (89 km away). In May its highs average 27.2°C, about as warm as Gulu, with 169 mm of rain.
Among the 21 cities listed in Uganda, Gulu ranks 3rd of 21 for the warmest May highs and 11th of 21 for the driest May (rainfall, lowest first). The mean May high of those 21 cities is 25.2°C; Gulu is 2.1°C warmer than that mean.
From May to June, average highs fall by 0.6°C to 26.7°C, and monthly rainfall falls from 184 mm to 134 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
Gulu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.7°C20.5°C | 20.5°C | 18 | 3.0 | 12.012 h |
| February | 32.8°C21.4°C | 21.4°C | 18 | 4.2 | 12.012 h |
| March | 31.6°C21.0°C | 21.0°C | 98 | 12.6 | 12.112 h |
| April | 28.6°C19.8°C | 19.8°C | 198 | 22.0 | 12.212 h |
| May, selected | 27.3°C19.1°C | 19.1°C | 184 | 24.0 | 12.212 h |
| June | 26.7°C18.4°C | 18.4°C | 134 | 19.3 | 12.312 h |
| July | 26.4°C17.9°C | 17.9°C | 160 | 22.5 | 12.312 h |
| August | 26.6°C17.8°C | 17.8°C | 200 | 24.6 | 12.212 h |
| September | 27.5°C18.3°C | 18.3°C | 163 | 20.1 | 12.112 h |
| October | 27.7°C18.7°C | 18.7°C | 195 | 21.0 | 12.112 h |
| November | 28.2°C18.8°C | 18.8°C | 121 | 13.9 | 12.012 h |
| December | 29.9°C19.3°C | 19.3°C | 30 | 5.2 | 12.012 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
- Lira in MayUganda · 89 kmHigh 27.2°C · Low 18.8°C · 169 mm rain
- Masindi in MayUganda · 138 kmHigh 26.7°C · Low 18.6°C · 136 mm rain
- Arua in MayUganda · 157 kmHigh 27.4°C · Low 18.6°C · 70 mm rain
- Hoima in MayUganda · 183 kmHigh 26.7°C · Low 18.4°C · 251 mm rain
- Kotido in MayUganda · 205 kmHigh 28.2°C · Low 18.4°C · 86 mm rain
- Yei in MaySouth Sudan · 232 kmHigh 29.0°C · Low 20.5°C · 155 mm rain
- Juba in MaySouth Sudan · 244 kmHigh 31.7°C · Low 23.3°C · 122 mm rain
- Mityana in MayUganda · 264 kmHigh 24.4°C · Low 17.4°C · 159 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 Gulu) is explained once on the Gulu year overview and on the Sources, method and limits page.