Didy climate — normals and trends
Didy (Madagascar) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 19.2 °C and it receives 1,201 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 January (21.8 °C on average) and the coldest is July (15.5 °C). Rainfall peaks in January.
Didy averages 0 frost days, 11 hot days (≥ 30 °C) and 184 rainy days per year.
Didy has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.2 °C (on 20 December 2024) and the coldest 5.3 °C (on 16 July 1991).
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
DidyAlaotra Mangoro
- coords
- -18.12°, 48.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.2°C
Average daily high
24.4°C
Average daily low
15.6°C
Annual rainfall
1,201mm
Sunshine / day
9.8h
Mean relative humidity
81%
Average peak wind
13.5km/h
Seasonal range
6.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
184 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.5 °C
Average feels-like low
16.2 °C
Average peak gust
34.1 km/h
Tropical nights (≥ 20 °C)
8 d/yr
Solar radiation
17.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °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
35.2 °C
20 December 2024
Coldest day
5.3 °C
16 July 1991
Wettest day
254 mm
17 February 2008
Windiest day
47.5 km/h
17 February 2008
Strongest gust
136.4 km/h
17 February 2008
Hottest feels-like
39.9 °C
24 December 2021
Coldest feels-like
2.8 °C
31 August 1969
Sunniest day
12.9 h
26 November 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 | 29.7 °C | +2.9 °C | 127 mm | -128 mm |
| Feb | 28.2 °C | +1.6 °C | 362 mm | +133 mm |
| Mar | 27.3 °C | +1.2 °C | 123 mm | -59 mm |
| Apr | 28.0 °C | +2.8 °C | 33 mm | -36 mm |
| May | 23.9 °C | +0.5 °C | 43 mm | +9 mm |
| Jun | 22.3 °C | +1.2 °C | 25 mm | -4 mm |
| Jul | 20.1 °C | -0.1 °C | 43 mm | +9 mm |
| Aug | 21.7 °C | +0.9 °C | 17 mm | -15 mm |
| Sep | 24.3 °C | +1.5 °C | 13 mm | -9 mm |
| Oct | 26.3 °C | +1.0 °C | 12 mm | -22 mm |
| Nov | 28.2 °C | +1.2 °C | 203 mm | +115 mm |
| Dec | 26.5 °C | -0.7 °C | 327 mm | +135 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 Didy?
Didy has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 19.2 °C and it receives 1,201 mm of precipitation per year.
What is the hottest day ever recorded in Didy?
The hottest day measured in Didy between 1940 and 2025 was 20 December 2024, reaching 35.2 °C.
What is the coldest day in Didy?
The coldest day measured in Didy between 1940 and 2025 was 16 July 1991, at 5.3 °C.
Does it snow in Didy?
Almost never: Didy sees virtually no snow, with about 0 frost days per year.
Has the climate of Didy warmed?
Yes: Didy warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Didy?
The wettest day measured in Didy between 1940 and 2025 was 17 February 2008, with 254 mm of rain in 24 hours.
What was the windiest day in Didy?
The windiest day measured in Didy between 1940 and 2025 was 17 February 2008, with winds reaching 47.5 km/h.
What is the warmest month in Didy?
The warmest month in Didy is January (21.8 °C on average); the coldest is July (15.5 °C).
How much does it rain in Didy?
Didy receives on average 1,201 mm of precipitation per year, spread over about 184 rainy days.
Is it sunny in Didy?
Didy gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Didy?
Yes: Didy has on average 8 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Didy?
In Didy, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 24 December 2021, and the lowest was 2.8 °C on 31 August 1969.
Compare Didy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Didy