Climate averages 1991–2020
Gulu weather
in December.
A hot, fairly dry month: the 4th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Gulu: daytime highs average 29.9°C and nights cool to about 19.3°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 30 mm of rain on roughly 5 days, which makes December a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 58 min on an average December day.
The nearest other city in this atlas is Lira (89 km away). In December its highs average 29.5°C, about as warm as Gulu, with 38 mm of rain.
Among the 21 cities listed in Uganda, Gulu ranks 1st of 21 for the warmest December highs and 3rd of 21 for the driest December (rainfall, lowest first). The mean December high of those 21 cities is 25.9°C; Gulu is 3.9°C warmer than that mean.
From December to January, average highs rise by 1.8°C to 31.7°C, and monthly rainfall falls from 30 mm to 18 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Lira in DecemberUganda · 89 kmHigh 29.5°C · Low 18.6°C · 38 mm rain
- Masindi in DecemberUganda · 138 kmHigh 28.0°C · Low 18.4°C · 58 mm rain
- Arua in DecemberUganda · 157 kmHigh 28.3°C · Low 18.4°C · 16 mm rain
- Hoima in DecemberUganda · 183 kmHigh 27.3°C · Low 18.2°C · 166 mm rain
- Kotido in DecemberUganda · 205 kmHigh 29.6°C · Low 18.7°C · 13 mm rain
- Yei in DecemberSouth Sudan · 232 kmHigh 31.2°C · Low 20.4°C · 21 mm rain
- Juba in DecemberSouth Sudan · 244 kmHigh 34.2°C · Low 23.0°C · 9.2 mm rain
- Mityana in DecemberUganda · 264 kmHigh 25.4°C · Low 17.2°C · 106 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.