Arua climate — normals and trends
Arua (Uganda) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.4 °C and it receives 1,059 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is February (25.6 °C on average) and the coldest is August (21.9 °C). Rainfall peaks in August.
Arua averages 0 frost days, 103 hot days (≥ 30 °C) and 168 rainy days per year.
Arua has warmed by +2.3 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.8 °C (on 21 February 2005) and the coldest 13.7 °C (on 6 February 1957).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
AruaNorthern Region
- coords
- 3.02°, 30.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.4°C
Average daily high
28.7°C
Average daily low
18.9°C
Annual rainfall
1,059mm
Sunshine / day
10.7h
Mean relative humidity
68%
Average peak wind
11.8km/h
Seasonal range
3.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
103 d/yr
Rainy days (≥ 1 mm)
168 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.9 °C
Average feels-like low
20.3 °C
Average peak gust
30.9 km/h
Tropical nights (≥ 20 °C)
81 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.74 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
37.8 °C
21 February 2005
Coldest day
13.7 °C
6 February 1957
Wettest day
52 mm
10 August 1977
Windiest day
25.3 km/h
19 February 1965
Strongest gust
65.9 km/h
9 March 2010
Hottest feels-like
39.5 °C
25 February 2005
Coldest feels-like
10.7 °C
16 February 1958
Sunniest day
12.0 h
27 March 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 32.2 °C | +1.2 °C | 0 mm | -14 mm |
| Feb | 34.0 °C | +2.4 °C | 1 mm | -29 mm |
| Mar | 32.0 °C | +1.4 °C | 36 mm | -40 mm |
| Apr | 29.7 °C | +0.7 °C | 81 mm | -15 mm |
| May | 29.5 °C | +1.2 °C | 72 mm | -22 mm |
| Jun | 29.2 °C | +1.3 °C | 33 mm | -61 mm |
| Jul | 28.0 °C | +0.9 °C | 87 mm | -41 mm |
| Aug | 27.3 °C | +0.2 °C | 209 mm | +56 mm |
| Sep | 29.0 °C | +1.4 °C | 66 mm | -61 mm |
| Oct | 28.4 °C | +0.8 °C | 143 mm | +15 mm |
| Nov | 29.8 °C | +2.0 °C | 31 mm | -62 mm |
| Dec | 30.4 °C | +1.2 °C | 7 mm | -20 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Arua?
Arua has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.4 °C and it receives 1,059 mm of precipitation per year.
What is the hottest day ever recorded in Arua?
The hottest day measured in Arua between 1940 and 2025 was 21 February 2005, reaching 37.8 °C.
What is the coldest day in Arua?
The coldest day measured in Arua between 1940 and 2025 was 6 February 1957, at 13.7 °C.
Does it snow in Arua?
Almost never: Arua sees virtually no snow, with about 0 frost days per year.
Has the climate of Arua warmed?
Yes: Arua warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arua?
The wettest day measured in Arua between 1940 and 2025 was 10 August 1977, with 52 mm of rain in 24 hours.
What was the windiest day in Arua?
The windiest day measured in Arua between 1940 and 2025 was 19 February 1965, with winds reaching 25.3 km/h.
What is the warmest month in Arua?
The warmest month in Arua is February (25.6 °C on average); the coldest is August (21.9 °C).
How much does it rain in Arua?
Arua receives on average 1,059 mm of precipitation per year, spread over about 168 rainy days.
Is it sunny in Arua?
Arua gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Arua?
Yes: Arua has on average 81 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Arua?
In Arua, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 25 February 2005, and the lowest was 10.7 °C on 16 February 1958.
Compare Arua with another city
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Nearby cities
The climate around Arua