Xylokastro climate — normals and trends
Xylokastro (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 536 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 (8.3 °C). Rainfall peaks in December.
Xylokastro averages 1 frost days, 12 hot days (≥ 30 °C) and 79 rainy days per year.
Xylokastro has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.2 °C (on 23 August 1958) and the coldest -3.5 °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
XylokastroPeloponnese
- coords
- 38.08°, 22.63°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
18.8°C
Average daily low
13.8°C
Annual rainfall
536mm
Sunshine / day
10.2h
Mean relative humidity
69%
Average peak wind
13.7km/h
Seasonal range
16.8°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
12 d/yr
Rainy days (≥ 1 mm)
79 d/yr
Annual snowfall
10.6 cm
Average feels-like high
18.4 °C
Average feels-like low
12.5 °C
Average peak gust
24.8 km/h
Tropical nights (≥ 20 °C)
80 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
36.2 °C
23 August 1958
Coldest day
-3.5 °C
2 January 1942
Wettest day
91 mm
12 January 1997
Windiest day
42.8 km/h
24 January 1949
Strongest gust
88.6 km/h
4 November 2001
Hottest feels-like
40.2 °C
9 July 1988
Coldest feels-like
-9.6 °C
13 February 2004
Snowiest day
32.2 cm
26 March 1998
Sunniest day
14.6 h
26 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 | 13.4 °C | +3.0 °C | 71 mm | -12 mm |
| Feb | 10.1 °C | -1.0 °C | 59 mm | -6 mm |
| Mar | 15.5 °C | +2.5 °C | 30 mm | -36 mm |
| Apr | 16.6 °C | 0.0 °C | 42 mm | +5 mm |
| May | 21.4 °C | +0.2 °C | 30 mm | +8 mm |
| Jun | 27.7 °C | +2.2 °C | 4 mm | -6 mm |
| Jul | 30.5 °C | +2.6 °C | 1 mm | -3 mm |
| Aug | 28.1 °C | +0.2 °C | 1 mm | -4 mm |
| Sep | 25.8 °C | +1.2 °C | 21 mm | -1 mm |
| Oct | 19.6 °C | -0.3 °C | 109 mm | +47 mm |
| Nov | 18.2 °C | +2.5 °C | 72 mm | -1 mm |
| Dec | 13.7 °C | +1.7 °C | 82 mm | -7 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 Xylokastro?
Xylokastro has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 536 mm of precipitation per year.
What is the hottest day ever recorded in Xylokastro?
The hottest day measured in Xylokastro between 1940 and 2025 was 23 August 1958, reaching 36.2 °C.
What is the coldest day in Xylokastro?
The coldest day measured in Xylokastro between 1940 and 2025 was 2 January 1942, at -3.5 °C.
Does it snow in Xylokastro?
Yes. Xylokastro gets on average 10.6 cm of snow per year and has around 1 frost days.
Has the climate of Xylokastro warmed?
Yes: Xylokastro warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Xylokastro?
The wettest day measured in Xylokastro between 1940 and 2025 was 12 January 1997, with 91 mm of rain in 24 hours.
What was the windiest day in Xylokastro?
The windiest day measured in Xylokastro between 1940 and 2025 was 24 January 1949, with winds reaching 42.8 km/h.
What is the warmest month in Xylokastro?
The warmest month in Xylokastro is August (25.1 °C on average); the coldest is January (8.3 °C).
How much does it rain in Xylokastro?
Xylokastro receives on average 536 mm of precipitation per year, spread over about 79 rainy days.
Is it sunny in Xylokastro?
Xylokastro gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in Xylokastro?
The heaviest 24-hour snowfall measured in Xylokastro between 1940 and 2025 was 26 March 1998, with 32.2 cm.
Are there tropical nights in Xylokastro?
Yes: Xylokastro has on average 80 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Xylokastro?
In Xylokastro, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 9 July 1988, and the lowest was -9.6 °C on 13 February 2004.
Compare Xylokastro with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Xylokastro