Nkoranza climate — normals and trends
Nkoranza (Ghana) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 963 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 (28.5 °C on average) and the coldest is August (24.7 °C). Rainfall peaks in September.
Nkoranza averages 0 frost days, 248 hot days (≥ 30 °C) and 172 rainy days per year.
Nkoranza has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.1 °C (on 21 February 2020) and the coldest 15.5 °C (on 24 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
NkoranzaBono East
- coords
- 7.57°, -1.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
31.4°C
Average daily low
22.6°C
Annual rainfall
963mm
Sunshine / day
10.0h
Mean relative humidity
72%
Average peak wind
12.9km/h
Seasonal range
3.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
248 d/yr
Rainy days (≥ 1 mm)
172 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.3 °C
Average feels-like low
25.2 °C
Average peak gust
29.9 km/h
Tropical nights (≥ 20 °C)
355 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.77 · 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
40.1 °C
21 February 2020
Coldest day
15.5 °C
24 December 2002
Wettest day
121 mm
26 September 2018
Windiest day
24.7 km/h
29 June 1988
Strongest gust
55.4 km/h
29 June 1988
Hottest feels-like
44.5 °C
2 March 2024
Coldest feels-like
11.4 °C
9 January 1957
Sunniest day
12.0 h
11 July 2022
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 | 36.2 °C | +2.6 °C | 0 mm | -14 mm |
| Feb | 37.0 °C | +2.4 °C | 17 mm | -20 mm |
| Mar | 35.0 °C | +1.2 °C | 63 mm | -32 mm |
| Apr | 34.0 °C | +1.3 °C | 57 mm | -56 mm |
| May | 33.0 °C | +1.3 °C | 105 mm | +0 mm |
| Jun | 31.4 °C | +1.5 °C | 103 mm | +6 mm |
| Jul | 29.0 °C | +0.6 °C | 45 mm | -42 mm |
| Aug | 28.4 °C | +0.2 °C | 38 mm | -48 mm |
| Sep | 30.2 °C | +1.2 °C | 94 mm | -47 mm |
| Oct | 31.3 °C | +1.1 °C | 137 mm | +18 mm |
| Nov | 32.7 °C | +1.0 °C | 48 mm | -2 mm |
| Dec | 33.0 °C | +0.4 °C | 27 mm | +9 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 Nkoranza?
Nkoranza has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 963 mm of precipitation per year.
What is the hottest day ever recorded in Nkoranza?
The hottest day measured in Nkoranza between 1940 and 2025 was 21 February 2020, reaching 40.1 °C.
What is the coldest day in Nkoranza?
The coldest day measured in Nkoranza between 1940 and 2025 was 24 December 2002, at 15.5 °C.
Does it snow in Nkoranza?
Almost never: Nkoranza sees virtually no snow, with about 0 frost days per year.
Has the climate of Nkoranza warmed?
Yes: Nkoranza warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nkoranza?
The wettest day measured in Nkoranza between 1940 and 2025 was 26 September 2018, with 121 mm of rain in 24 hours.
What was the windiest day in Nkoranza?
The windiest day measured in Nkoranza between 1940 and 2025 was 29 June 1988, with winds reaching 24.7 km/h.
What is the warmest month in Nkoranza?
The warmest month in Nkoranza is February (28.5 °C on average); the coldest is August (24.7 °C).
How much does it rain in Nkoranza?
Nkoranza receives on average 963 mm of precipitation per year, spread over about 172 rainy days.
Is it sunny in Nkoranza?
Nkoranza gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Nkoranza?
Yes: Nkoranza has on average 355 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nkoranza?
In Nkoranza, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 2 March 2024, and the lowest was 11.4 °C on 9 January 1957.
Compare Nkoranza with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nkoranza