Wankyi climate — normals and trends
Wankyi (Ghana) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.7 °C and it receives 1,452 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 (27.5 °C on average) and the coldest is August (24.2 °C). Rainfall peaks in September.
Wankyi averages 0 frost days, 229 hot days (≥ 30 °C) and 199 rainy days per year.
Wankyi has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.4 °C (on 21 February 2020) and the coldest 14.1 °C (on 29 December 2002).
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
WankyiBono
- coords
- 7.74°, -2.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.7°C
Average daily high
30.9°C
Average daily low
22.0°C
Annual rainfall
1,452mm
Sunshine / day
10.0h
Mean relative humidity
74%
Average peak wind
12.2km/h
Seasonal range
3.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
229 d/yr
Rainy days (≥ 1 mm)
199 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.8 °C
Average feels-like low
24.5 °C
Average peak gust
30.3 km/h
Tropical nights (≥ 20 °C)
340 d/yr
Solar radiation
18.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.78 · 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
39.4 °C
21 February 2020
Coldest day
14.1 °C
29 December 2002
Wettest day
115 mm
23 August 1986
Windiest day
23.9 km/h
26 August 1977
Strongest gust
53.6 km/h
9 August 1995
Hottest feels-like
44.7 °C
31 March 2024
Coldest feels-like
10.4 °C
9 January 1957
Sunniest day
12.1 h
2 July 1942
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 | 35.1 °C | +2.2 °C | 0 mm | -21 mm |
| Feb | 36.2 °C | +2.3 °C | 25 mm | -29 mm |
| Mar | 34.6 °C | +1.3 °C | 83 mm | -55 mm |
| Apr | 33.5 °C | +1.4 °C | 88 mm | -74 mm |
| May | 32.2 °C | +1.1 °C | 144 mm | -10 mm |
| Jun | 30.8 °C | +1.4 °C | 136 mm | -5 mm |
| Jul | 28.6 °C | +0.6 °C | 68 mm | -61 mm |
| Aug | 28.1 °C | +0.3 °C | 55 mm | -76 mm |
| Sep | 29.7 °C | +1.1 °C | 167 mm | -51 mm |
| Oct | 31.0 °C | +1.1 °C | 182 mm | -12 mm |
| Nov | 32.5 °C | +1.2 °C | 67 mm | -14 mm |
| Dec | 32.6 °C | +0.6 °C | 42 mm | +12 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 Wankyi?
Wankyi has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.7 °C and it receives 1,452 mm of precipitation per year.
What is the hottest day ever recorded in Wankyi?
The hottest day measured in Wankyi between 1940 and 2025 was 21 February 2020, reaching 39.4 °C.
What is the coldest day in Wankyi?
The coldest day measured in Wankyi between 1940 and 2025 was 29 December 2002, at 14.1 °C.
Does it snow in Wankyi?
Almost never: Wankyi sees virtually no snow, with about 0 frost days per year.
Has the climate of Wankyi warmed?
Yes: Wankyi warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Wankyi?
The wettest day measured in Wankyi between 1940 and 2025 was 23 August 1986, with 115 mm of rain in 24 hours.
What was the windiest day in Wankyi?
The windiest day measured in Wankyi between 1940 and 2025 was 26 August 1977, with winds reaching 23.9 km/h.
What is the warmest month in Wankyi?
The warmest month in Wankyi is February (27.5 °C on average); the coldest is August (24.2 °C).
How much does it rain in Wankyi?
Wankyi receives on average 1,452 mm of precipitation per year, spread over about 199 rainy days.
Is it sunny in Wankyi?
Wankyi gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Wankyi?
Yes: Wankyi has on average 340 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Wankyi?
In Wankyi, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 31 March 2024, and the lowest was 10.4 °C on 9 January 1957.
Compare Wankyi with another city
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Nearby cities
The climate around Wankyi