Dedza climate — normals and trends
Dedza (Malawi) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 18.6 °C and it receives 1,337 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 November (21.5 °C on average) and the coldest is July (14.5 °C). Rainfall peaks in January.
Dedza averages 0 frost days, 4 hot days (≥ 30 °C) and 145 rainy days per year.
Dedza has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.4 °C (on 14 October 2023) and the coldest 3.3 °C (on 26 July 1975).
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
DedzaCentral Region
- coords
- -14.38°, 34.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.6°C
Average daily high
23.7°C
Average daily low
14.3°C
Annual rainfall
1,337mm
Sunshine / day
10.6h
Mean relative humidity
71%
Average peak wind
13.5km/h
Seasonal range
7.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.6 °C
Average feels-like low
13.9 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
20.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.50 · 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
32.4 °C
14 October 2023
Coldest day
3.3 °C
26 July 1975
Wettest day
143 mm
2 January 2020
Windiest day
38.8 km/h
11 March 2025
Strongest gust
81.7 km/h
4 February 1972
Hottest feels-like
35.2 °C
19 December 2023
Coldest feels-like
0.4 °C
26 July 1975
Sunniest day
12.8 h
7 December 2025
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 | 24.4 °C | +0.2 °C | 456 mm | +133 mm |
| Feb | 25.8 °C | +1.5 °C | 266 mm | -5 mm |
| Mar | 25.0 °C | +0.8 °C | 155 mm | -56 mm |
| Apr | 24.3 °C | +0.8 °C | 75 mm | +4 mm |
| May | 21.8 °C | -0.6 °C | 68 mm | +48 mm |
| Jun | 21.4 °C | +0.8 °C | 4 mm | -3 mm |
| Jul | 20.1 °C | -0.2 °C | 9 mm | +3 mm |
| Aug | 22.8 °C | +0.6 °C | 1 mm | -4 mm |
| Sep | 26.5 °C | +1.5 °C | 3 mm | -3 mm |
| Oct | 26.9 °C | +0.1 °C | 12 mm | -18 mm |
| Nov | 25.3 °C | -1.2 °C | 182 mm | +69 mm |
| Dec | 23.8 °C | -1.1 °C | 382 mm | +108 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 Dedza?
Dedza has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 18.6 °C and it receives 1,337 mm of precipitation per year.
What is the hottest day ever recorded in Dedza?
The hottest day measured in Dedza between 1940 and 2025 was 14 October 2023, reaching 32.4 °C.
What is the coldest day in Dedza?
The coldest day measured in Dedza between 1940 and 2025 was 26 July 1975, at 3.3 °C.
Does it snow in Dedza?
Almost never: Dedza sees virtually no snow, with about 0 frost days per year.
Has the climate of Dedza warmed?
Yes: Dedza warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dedza?
The wettest day measured in Dedza between 1940 and 2025 was 2 January 2020, with 143 mm of rain in 24 hours.
What was the windiest day in Dedza?
The windiest day measured in Dedza between 1940 and 2025 was 11 March 2025, with winds reaching 38.8 km/h.
What is the warmest month in Dedza?
The warmest month in Dedza is November (21.5 °C on average); the coldest is July (14.5 °C).
How much does it rain in Dedza?
Dedza receives on average 1,337 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Dedza?
Dedza gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Dedza?
Yes: Dedza has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dedza?
In Dedza, between 1940 and 2025, the highest apparent temperature reached 35.2 °C on 19 December 2023, and the lowest was 0.4 °C on 26 July 1975.
Compare Dedza with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dedza