Betafo climate — normals and trends
Betafo (Madagascar) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 17.5 °C and it receives 1,617 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 (19.5 °C on average) and the coldest is July (13.9 °C). Rainfall peaks in January.
Betafo averages 0 frost days, 1 hot days (≥ 30 °C) and 147 rainy days per year.
Betafo has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.4 °C (on 12 October 2010) and the coldest 1.2 °C (on 6 June 1972).
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
BetafoVakinankaratra
- coords
- -19.83°, 46.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.5°C
Average daily high
23.3°C
Average daily low
12.6°C
Annual rainfall
1,617mm
Sunshine / day
10.8h
Mean relative humidity
73%
Average peak wind
13.3km/h
Seasonal range
5.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
147 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.2 °C
Average feels-like low
11.8 °C
Average peak gust
31.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.84 · 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
12 October 2010
Coldest day
1.2 °C
6 June 1972
Wettest day
156 mm
21 January 1945
Windiest day
57.5 km/h
18 March 1941
Strongest gust
127.4 km/h
18 March 1941
Hottest feels-like
34.9 °C
12 November 2021
Coldest feels-like
-2.1 °C
6 June 1972
Sunniest day
13.2 h
4 January 1944
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 | 26.1 °C | +1.9 °C | 299 mm | -68 mm |
| Feb | 24.6 °C | +0.4 °C | 616 mm | +298 mm |
| Mar | 25.7 °C | +1.5 °C | 126 mm | -114 mm |
| Apr | 25.5 °C | +1.9 °C | 120 mm | +47 mm |
| May | 23.4 °C | +1.5 °C | 40 mm | +22 mm |
| Jun | 22.1 °C | +1.6 °C | 1 mm | -4 mm |
| Jul | 21.4 °C | +1.1 °C | 1 mm | -7 mm |
| Aug | 23.0 °C | +1.2 °C | 4 mm | -3 mm |
| Sep | 26.2 °C | +1.9 °C | 2 mm | -10 mm |
| Oct | 26.9 °C | +1.4 °C | 12 mm | -66 mm |
| Nov | 25.6 °C | +0.7 °C | 224 mm | +40 mm |
| Dec | 24.2 °C | -0.2 °C | 402 mm | +93 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 Betafo?
Betafo has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 17.5 °C and it receives 1,617 mm of precipitation per year.
What is the hottest day ever recorded in Betafo?
The hottest day measured in Betafo between 1940 and 2025 was 12 October 2010, reaching 32.4 °C.
What is the coldest day in Betafo?
The coldest day measured in Betafo between 1940 and 2025 was 6 June 1972, at 1.2 °C.
Does it snow in Betafo?
Almost never: Betafo sees virtually no snow, with about 0 frost days per year.
Has the climate of Betafo warmed?
Yes: Betafo warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Betafo?
The wettest day measured in Betafo between 1940 and 2025 was 21 January 1945, with 156 mm of rain in 24 hours.
What was the windiest day in Betafo?
The windiest day measured in Betafo between 1940 and 2025 was 18 March 1941, with winds reaching 57.5 km/h.
What is the warmest month in Betafo?
The warmest month in Betafo is January (19.5 °C on average); the coldest is July (13.9 °C).
How much does it rain in Betafo?
Betafo receives on average 1,617 mm of precipitation per year, spread over about 147 rainy days.
Is it sunny in Betafo?
Betafo gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Betafo?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Betafo.
What was the most extreme apparent temperature in Betafo?
In Betafo, between 1940 and 2025, the highest apparent temperature reached 34.9 °C on 12 November 2021, and the lowest was -2.1 °C on 6 June 1972.
Compare Betafo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Betafo