Sumbe climate — normals and trends
Sumbe (Angola) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 23.3 °C and it receives 298 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 March (26.3 °C on average) and the coldest is August (19.4 °C). Rainfall peaks in March.
Sumbe averages 0 frost days, 0 hot days (≥ 30 °C) and 41 rainy days per year.
Sumbe has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 29.5 °C (on 15 April 1999) and the coldest 16.0 °C (on 8 August 1986).
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
SumbeKwanza Sul Province
- coords
- -11.21°, 13.84°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.3°C
Average daily high
23.7°C
Average daily low
22.9°C
Annual rainfall
298mm
Sunshine / day
10.5h
Mean relative humidity
85%
Average peak wind
18.8km/h
Seasonal range
6.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
41 d/yr
Annual snowfall
0.0 cm
Average feels-like high
27.1 °C
Average feels-like low
25.1 °C
Average peak gust
25.6 km/h
Tropical nights (≥ 20 °C)
296 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.38 · 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
29.5 °C
15 April 1999
Coldest day
16.0 °C
8 August 1986
Wettest day
153 mm
1 April 2025
Windiest day
38.9 km/h
25 March 1996
Strongest gust
53.3 km/h
25 March 1996
Hottest feels-like
36.8 °C
15 April 1999
Coldest feels-like
14.8 °C
25 August 1950
Sunniest day
12.5 h
24 January 2025
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 | 26.1 °C | +1.1 °C | 9 mm | -15 mm |
| Feb | 26.7 °C | +0.6 °C | 4 mm | -29 mm |
| Mar | 26.7 °C | -0.1 °C | 32 mm | -80 mm |
| Apr | 26.0 °C | -0.6 °C | 183 mm | +122 mm |
| May | 26.2 °C | +1.2 °C | 1 mm | -2 mm |
| Jun | 23.2 °C | +1.0 °C | 2 mm | -2 mm |
| Jul | 20.4 °C | 0.0 °C | 2 mm | -1 mm |
| Aug | 19.4 °C | -0.4 °C | 1 mm | 0 mm |
| Sep | 20.8 °C | +0.1 °C | 1 mm | -0 mm |
| Oct | 23.5 °C | +0.6 °C | 7 mm | -0 mm |
| Nov | 25.1 °C | +0.5 °C | 9 mm | -17 mm |
| Dec | 25.0 °C | +0.2 °C | 29 mm | +4 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 Sumbe?
Sumbe has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 23.3 °C and it receives 298 mm of precipitation per year.
What is the hottest day ever recorded in Sumbe?
The hottest day measured in Sumbe between 1940 and 2025 was 15 April 1999, reaching 29.5 °C.
What is the coldest day in Sumbe?
The coldest day measured in Sumbe between 1940 and 2025 was 8 August 1986, at 16.0 °C.
Does it snow in Sumbe?
Almost never: Sumbe sees virtually no snow, with about 0 frost days per year.
Has the climate of Sumbe warmed?
Yes: Sumbe warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sumbe?
The wettest day measured in Sumbe between 1940 and 2025 was 1 April 2025, with 153 mm of rain in 24 hours.
What was the windiest day in Sumbe?
The windiest day measured in Sumbe between 1940 and 2025 was 25 March 1996, with winds reaching 38.9 km/h.
What is the warmest month in Sumbe?
The warmest month in Sumbe is March (26.3 °C on average); the coldest is August (19.4 °C).
How much does it rain in Sumbe?
Sumbe receives on average 298 mm of precipitation per year, spread over about 41 rainy days.
Is it sunny in Sumbe?
Sumbe gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Sumbe?
Yes: Sumbe has on average 296 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sumbe?
In Sumbe, between 1940 and 2025, the highest apparent temperature reached 36.8 °C on 15 April 1999, and the lowest was 14.8 °C on 25 August 1950.
Compare Sumbe with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sumbe