Nyimba climate — normals and trends
Nyimba (Zambia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.8 °C and it receives 913 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 October (28.6 °C on average) and the coldest is July (19.7 °C). Rainfall peaks in January.
Nyimba averages 0 frost days, 138 hot days (≥ 30 °C) and 109 rainy days per year.
Nyimba has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.0 °C (on 18 October 2017) and the coldest 6.8 °C (on 15 June 1968).
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
NyimbaEastern Province
- coords
- -14.56°, 30.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.8°C
Average daily high
29.5°C
Average daily low
18.9°C
Annual rainfall
913mm
Sunshine / day
10.7h
Mean relative humidity
59%
Average peak wind
14.6km/h
Seasonal range
8.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
138 d/yr
Rainy days (≥ 1 mm)
109 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.2 °C
Average feels-like low
19.1 °C
Average peak gust
31.8 km/h
Tropical nights (≥ 20 °C)
171 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
42.0 °C
18 October 2017
Coldest day
6.8 °C
15 June 1968
Wettest day
120 mm
29 January 2025
Windiest day
41.2 km/h
11 August 2010
Strongest gust
78.8 km/h
11 August 2010
Hottest feels-like
44.0 °C
8 January 2016
Coldest feels-like
2.8 °C
15 June 1968
Sunniest day
12.7 h
18 November 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 | 29.9 °C | +1.7 °C | 307 mm | +66 mm |
| Feb | 29.6 °C | +1.3 °C | 151 mm | -54 mm |
| Mar | 30.4 °C | +1.8 °C | 78 mm | -50 mm |
| Apr | 30.1 °C | +1.4 °C | 55 mm | +24 mm |
| May | 28.4 °C | +0.4 °C | 10 mm | +4 mm |
| Jun | 27.9 °C | +1.6 °C | 0 mm | -1 mm |
| Jul | 27.0 °C | +0.7 °C | 2 mm | +1 mm |
| Aug | 30.8 °C | +1.7 °C | 0 mm | -1 mm |
| Sep | 35.3 °C | +2.5 °C | 0 mm | -0 mm |
| Oct | 36.4 °C | +1.5 °C | 1 mm | -8 mm |
| Nov | 32.5 °C | -0.7 °C | 136 mm | +55 mm |
| Dec | 28.9 °C | -0.6 °C | 313 mm | +103 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 Nyimba?
Nyimba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.8 °C and it receives 913 mm of precipitation per year.
What is the hottest day ever recorded in Nyimba?
The hottest day measured in Nyimba between 1940 and 2025 was 18 October 2017, reaching 42.0 °C.
What is the coldest day in Nyimba?
The coldest day measured in Nyimba between 1940 and 2025 was 15 June 1968, at 6.8 °C.
Does it snow in Nyimba?
Almost never: Nyimba sees virtually no snow, with about 0 frost days per year.
Has the climate of Nyimba warmed?
Yes: Nyimba warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nyimba?
The wettest day measured in Nyimba between 1940 and 2025 was 29 January 2025, with 120 mm of rain in 24 hours.
What was the windiest day in Nyimba?
The windiest day measured in Nyimba between 1940 and 2025 was 11 August 2010, with winds reaching 41.2 km/h.
What is the warmest month in Nyimba?
The warmest month in Nyimba is October (28.6 °C on average); the coldest is July (19.7 °C).
How much does it rain in Nyimba?
Nyimba receives on average 913 mm of precipitation per year, spread over about 109 rainy days.
Is it sunny in Nyimba?
Nyimba gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Nyimba?
Yes: Nyimba has on average 171 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nyimba?
In Nyimba, between 1940 and 2025, the highest apparent temperature reached 44.0 °C on 8 January 2016, and the lowest was 2.8 °C on 15 June 1968.
Compare Nyimba with another city
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Nearby cities
The climate around Nyimba