Winneba climate — normals and trends
Winneba (Ghana) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 882 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 (27.3 °C on average) and the coldest is August (23.5 °C). Rainfall peaks in June.
Winneba averages 0 frost days, 0 hot days (≥ 30 °C) and 175 rainy days per year.
Winneba has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.3 °C (on 5 March 2004) and the coldest 20.9 °C (on 10 August 1956).
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
WinnebaCentral
- coords
- 5.35°, -0.62°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
26.6°C
Average daily low
25.3°C
Annual rainfall
882mm
Sunshine / day
10.8h
Mean relative humidity
85%
Average peak wind
21.8km/h
Seasonal range
3.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
175 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.1 °C
Average feels-like low
28.4 °C
Average peak gust
30.2 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.49 · 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
30.3 °C
5 March 2004
Coldest day
20.9 °C
10 August 1956
Wettest day
166 mm
28 June 1994
Windiest day
37.8 km/h
27 September 1987
Strongest gust
52.9 km/h
19 June 2018
Hottest feels-like
37.9 °C
14 April 2024
Coldest feels-like
21.5 °C
15 August 1956
Sunniest day
12.0 h
7 April 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 | 28.0 °C | +0.7 °C | 13 mm | -7 mm |
| Feb | 27.9 °C | +0.2 °C | 14 mm | -13 mm |
| Mar | 28.3 °C | +0.3 °C | 17 mm | -35 mm |
| Apr | 28.6 °C | +0.5 °C | 54 mm | -27 mm |
| May | 28.2 °C | +0.6 °C | 185 mm | +12 mm |
| Jun | 26.9 °C | +0.6 °C | 203 mm | -8 mm |
| Jul | 24.6 °C | -0.1 °C | 28 mm | -50 mm |
| Aug | 23.8 °C | -0.1 °C | 35 mm | +7 mm |
| Sep | 25.1 °C | +0.5 °C | 85 mm | +43 mm |
| Oct | 26.5 °C | +0.4 °C | 122 mm | +52 mm |
| Nov | 27.5 °C | +0.3 °C | 35 mm | -30 mm |
| Dec | 27.9 °C | +0.4 °C | 58 mm | +19 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 Winneba?
Winneba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 882 mm of precipitation per year.
What is the hottest day ever recorded in Winneba?
The hottest day measured in Winneba between 1940 and 2025 was 5 March 2004, reaching 30.3 °C.
What is the coldest day in Winneba?
The coldest day measured in Winneba between 1940 and 2025 was 10 August 1956, at 20.9 °C.
Does it snow in Winneba?
Almost never: Winneba sees virtually no snow, with about 0 frost days per year.
Has the climate of Winneba warmed?
Yes: Winneba warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Winneba?
The wettest day measured in Winneba between 1940 and 2025 was 28 June 1994, with 166 mm of rain in 24 hours.
What was the windiest day in Winneba?
The windiest day measured in Winneba between 1940 and 2025 was 27 September 1987, with winds reaching 37.8 km/h.
What is the warmest month in Winneba?
The warmest month in Winneba is March (27.3 °C on average); the coldest is August (23.5 °C).
How much does it rain in Winneba?
Winneba receives on average 882 mm of precipitation per year, spread over about 175 rainy days.
Is it sunny in Winneba?
Winneba gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Winneba?
Yes: Winneba has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Winneba?
In Winneba, between 1940 and 2025, the highest apparent temperature reached 37.9 °C on 14 April 2024, and the lowest was 21.5 °C on 15 August 1956.
Compare Winneba with another city
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Nearby cities
The climate around Winneba