Zacháro climate — normals and trends
Zacháro (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 907 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 August (25.1 °C on average) and the coldest is January (8.2 °C). Rainfall peaks in December.
Zacháro averages 4 frost days, 49 hot days (≥ 30 °C) and 103 rainy days per year.
Zacháro has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.6 °C (on 24 August 1958) and the coldest -8.6 °C (on 2 January 1942).
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
ZachároWest Greece
- coords
- 37.48°, 21.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
20.6°C
Average daily low
11.9°C
Annual rainfall
907mm
Sunshine / day
10.1h
Mean relative humidity
73%
Average peak wind
13.2km/h
Seasonal range
16.9°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
49 d/yr
Rainy days (≥ 1 mm)
103 d/yr
Annual snowfall
3.9 cm
Average feels-like high
20.4 °C
Average feels-like low
11.2 °C
Average peak gust
35.0 km/h
Tropical nights (≥ 20 °C)
30 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.22 · 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
41.6 °C
24 August 1958
Coldest day
-8.6 °C
2 January 1942
Wettest day
131 mm
18 September 2020
Windiest day
40.7 km/h
28 February 1990
Strongest gust
106.6 km/h
28 February 1990
Hottest feels-like
43.8 °C
7 July 1988
Coldest feels-like
-12.8 °C
2 January 1942
Snowiest day
8.2 cm
24 January 1942
Sunniest day
14.4 h
20 June 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 | 14.7 °C | +3.0 °C | 91 mm | -47 mm |
| Feb | 12.5 °C | 0.0 °C | 72 mm | -41 mm |
| Mar | 17.7 °C | +3.0 °C | 42 mm | -50 mm |
| Apr | 18.8 °C | +0.6 °C | 42 mm | -23 mm |
| May | 23.8 °C | +1.1 °C | 22 mm | -20 mm |
| Jun | 31.0 °C | +3.7 °C | 10 mm | -9 mm |
| Jul | 32.6 °C | +2.2 °C | 0 mm | -7 mm |
| Aug | 31.9 °C | +1.1 °C | 5 mm | -5 mm |
| Sep | 28.7 °C | +1.8 °C | 47 mm | +8 mm |
| Oct | 20.4 °C | -1.5 °C | 159 mm | +71 mm |
| Nov | 18.7 °C | +1.6 °C | 243 mm | +100 mm |
| Dec | 15.1 °C | +2.0 °C | 89 mm | -61 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 Zacháro?
Zacháro has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 907 mm of precipitation per year.
What is the hottest day ever recorded in Zacháro?
The hottest day measured in Zacháro between 1940 and 2025 was 24 August 1958, reaching 41.6 °C.
What is the coldest day in Zacháro?
The coldest day measured in Zacháro between 1940 and 2025 was 2 January 1942, at -8.6 °C.
Does it snow in Zacháro?
Yes. Zacháro gets on average 3.9 cm of snow per year and has around 4 frost days.
Has the climate of Zacháro warmed?
Yes: Zacháro warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zacháro?
The wettest day measured in Zacháro between 1940 and 2025 was 18 September 2020, with 131 mm of rain in 24 hours.
What was the windiest day in Zacháro?
The windiest day measured in Zacháro between 1940 and 2025 was 28 February 1990, with winds reaching 40.7 km/h.
What is the warmest month in Zacháro?
The warmest month in Zacháro is August (25.1 °C on average); the coldest is January (8.2 °C).
How much does it rain in Zacháro?
Zacháro receives on average 907 mm of precipitation per year, spread over about 103 rainy days.
Is it sunny in Zacháro?
Zacháro gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zacháro?
The heaviest 24-hour snowfall measured in Zacháro between 1940 and 2025 was 24 January 1942, with 8.2 cm.
Are there tropical nights in Zacháro?
Yes: Zacháro has on average 30 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zacháro?
In Zacháro, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 7 July 1988, and the lowest was -12.8 °C on 2 January 1942.
Compare Zacháro with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zacháro