Goaso climate — normals and trends
Goaso (Ghana) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 937 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 (28.1 °C on average) and the coldest is August (24.4 °C). Rainfall peaks in June.
Goaso averages 0 frost days, 213 hot days (≥ 30 °C) and 187 rainy days per year.
Goaso has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.8 °C (on 1 March 2020) and the coldest 14.5 °C (on 28 December 1971).
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
GoasoAhafo
- coords
- 6.80°, -2.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
30.7°C
Average daily low
22.7°C
Annual rainfall
937mm
Sunshine / day
8.7h
Mean relative humidity
78%
Average peak wind
11.6km/h
Seasonal range
3.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
213 d/yr
Rainy days (≥ 1 mm)
187 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.2 °C
Average feels-like low
26.2 °C
Average peak gust
26.7 km/h
Tropical nights (≥ 20 °C)
357 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °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
39.8 °C
1 March 2020
Coldest day
14.5 °C
28 December 1971
Wettest day
121 mm
15 September 2021
Windiest day
23.2 km/h
30 July 1997
Strongest gust
51.8 km/h
29 June 1988
Hottest feels-like
44.7 °C
2 March 2024
Coldest feels-like
12.1 °C
9 January 1957
Sunniest day
12.0 h
4 July 1999
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 | 36.2 °C | +3.3 °C | 1 mm | -17 mm |
| Feb | 36.7 °C | +2.7 °C | 23 mm | -19 mm |
| Mar | 35.3 °C | +2.2 °C | 66 mm | -20 mm |
| Apr | 34.0 °C | +1.7 °C | 76 mm | -29 mm |
| May | 32.9 °C | +1.7 °C | 94 mm | -22 mm |
| Jun | 31.1 °C | +1.8 °C | 120 mm | +2 mm |
| Jul | 29.2 °C | +1.1 °C | 33 mm | -56 mm |
| Aug | 28.1 °C | +0.2 °C | 37 mm | -39 mm |
| Sep | 30.2 °C | +1.5 °C | 87 mm | -24 mm |
| Oct | 30.8 °C | +1.3 °C | 120 mm | +13 mm |
| Nov | 32.6 °C | +2.1 °C | 26 mm | -25 mm |
| Dec | 32.4 °C | +1.0 °C | 41 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 Goaso?
Goaso has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 937 mm of precipitation per year.
What is the hottest day ever recorded in Goaso?
The hottest day measured in Goaso between 1940 and 2025 was 1 March 2020, reaching 39.8 °C.
What is the coldest day in Goaso?
The coldest day measured in Goaso between 1940 and 2025 was 28 December 1971, at 14.5 °C.
Does it snow in Goaso?
Almost never: Goaso sees virtually no snow, with about 0 frost days per year.
Has the climate of Goaso warmed?
Yes: Goaso warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Goaso?
The wettest day measured in Goaso between 1940 and 2025 was 15 September 2021, with 121 mm of rain in 24 hours.
What was the windiest day in Goaso?
The windiest day measured in Goaso between 1940 and 2025 was 30 July 1997, with winds reaching 23.2 km/h.
What is the warmest month in Goaso?
The warmest month in Goaso is February (28.1 °C on average); the coldest is August (24.4 °C).
How much does it rain in Goaso?
Goaso receives on average 937 mm of precipitation per year, spread over about 187 rainy days.
Is it sunny in Goaso?
Goaso gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
Are there tropical nights in Goaso?
Yes: Goaso has on average 357 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Goaso?
In Goaso, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 2 March 2024, and the lowest was 12.1 °C on 9 January 1957.
Compare Goaso with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Goaso