Juba climate — normals and trends
Juba (South Sudan) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 1,201 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 (29.7 °C on average) and the coldest is August (24.8 °C). Rainfall peaks in October.
Juba averages 0 frost days, 265 hot days (≥ 30 °C) and 173 rainy days per year.
Juba has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.7 °C (on 21 February 2005) and the coldest 15.6 °C (on 5 January 1962).
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
JubaCentral Equatoria
- coords
- 4.85°, 31.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
32.2°C
Average daily low
22.6°C
Annual rainfall
1,201mm
Sunshine / day
10.7h
Mean relative humidity
65%
Average peak wind
10.4km/h
Seasonal range
4.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
265 d/yr
Rainy days (≥ 1 mm)
173 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.1 °C
Average feels-like low
24.9 °C
Average peak gust
26.8 km/h
Tropical nights (≥ 20 °C)
352 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.72 · 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
42.7 °C
21 February 2005
Coldest day
15.6 °C
5 January 1962
Wettest day
124 mm
21 October 1997
Windiest day
24.7 km/h
22 March 1943
Strongest gust
52.6 km/h
4 April 1994
Hottest feels-like
45.0 °C
25 February 2005
Coldest feels-like
12.8 °C
6 February 1957
Sunniest day
12.0 h
24 March 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 36.7 °C | +1.7 °C | 0 mm | -7 mm |
| Feb | 38.7 °C | +2.7 °C | 0 mm | -16 mm |
| Mar | 37.0 °C | +1.5 °C | 7 mm | -46 mm |
| Apr | 35.0 °C | +1.3 °C | 59 mm | -50 mm |
| May | 35.1 °C | +3.3 °C | 45 mm | -102 mm |
| Jun | 33.1 °C | +2.5 °C | 79 mm | -49 mm |
| Jul | 30.3 °C | +0.6 °C | 116 mm | -27 mm |
| Aug | 29.7 °C | +0.2 °C | 163 mm | +11 mm |
| Sep | 32.0 °C | +1.9 °C | 77 mm | -63 mm |
| Oct | 31.5 °C | +1.2 °C | 148 mm | -39 mm |
| Nov | 34.1 °C | +2.9 °C | 31 mm | -73 mm |
| Dec | 34.8 °C | +1.6 °C | 1 mm | -16 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 Juba?
Juba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 1,201 mm of precipitation per year.
What is the hottest day ever recorded in Juba?
The hottest day measured in Juba between 1940 and 2025 was 21 February 2005, reaching 42.7 °C.
What is the coldest day in Juba?
The coldest day measured in Juba between 1940 and 2025 was 5 January 1962, at 15.6 °C.
Does it snow in Juba?
Almost never: Juba sees virtually no snow, with about 0 frost days per year.
Has the climate of Juba warmed?
Yes: Juba warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Juba?
The wettest day measured in Juba between 1940 and 2025 was 21 October 1997, with 124 mm of rain in 24 hours.
What was the windiest day in Juba?
The windiest day measured in Juba between 1940 and 2025 was 22 March 1943, with winds reaching 24.7 km/h.
What is the warmest month in Juba?
The warmest month in Juba is February (29.7 °C on average); the coldest is August (24.8 °C).
How much does it rain in Juba?
Juba receives on average 1,201 mm of precipitation per year, spread over about 173 rainy days.
Is it sunny in Juba?
Juba gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Juba?
Yes: Juba has on average 352 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Juba?
In Juba, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 25 February 2005, and the lowest was 12.8 °C on 6 February 1957.
Compare Juba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Juba