Nafplion climate — normals and trends
Nafplion (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 472 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 July (25.8 °C on average) and the coldest is January (7.4 °C). Rainfall peaks in January.
Nafplion averages 4 frost days, 54 hot days (≥ 30 °C) and 73 rainy days per year.
Nafplion has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 6 to 3 per year over the period.
The hottest day of the period reached 41.8 °C (on 19 July 1973) and the coldest -9.4 °C (on 18 February 2008).
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
NafplionPeloponnese
- coords
- 37.57°, 22.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
20.5°C
Average daily low
11.9°C
Annual rainfall
472mm
Sunshine / day
10.1h
Mean relative humidity
67%
Average peak wind
11.4km/h
Seasonal range
18.4°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
54 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
16.2 cm
Average feels-like high
19.8 °C
Average feels-like low
10.9 °C
Average peak gust
32.2 km/h
Tropical nights (≥ 20 °C)
49 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
41.8 °C
19 July 1973
Coldest day
-9.4 °C
18 February 2008
Wettest day
93 mm
29 September 2018
Windiest day
33.8 km/h
24 January 1949
Strongest gust
94.0 km/h
26 February 1973
Hottest feels-like
43.1 °C
19 July 1973
Coldest feels-like
-14.6 °C
18 February 2008
Snowiest day
27.0 cm
26 March 1998
Sunniest day
14.6 h
16 June 1942
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 | 14.5 °C | +3.6 °C | 61 mm | -8 mm |
| Feb | 10.7 °C | -1.2 °C | 48 mm | -9 mm |
| Mar | 17.3 °C | +3.1 °C | 30 mm | -28 mm |
| Apr | 18.1 °C | -0.2 °C | 40 mm | +5 mm |
| May | 24.1 °C | +0.6 °C | 33 mm | +8 mm |
| Jun | 30.6 °C | +2.1 °C | 14 mm | -2 mm |
| Jul | 33.7 °C | +2.9 °C | 0 mm | -6 mm |
| Aug | 31.0 °C | +0.4 °C | 3 mm | -6 mm |
| Sep | 28.0 °C | +1.2 °C | 11 mm | -13 mm |
| Oct | 20.8 °C | -0.6 °C | 79 mm | +30 mm |
| Nov | 19.1 °C | +2.6 °C | 64 mm | +7 mm |
| Dec | 14.5 °C | +2.1 °C | 40 mm | -28 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 Nafplion?
Nafplion has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 472 mm of precipitation per year.
What is the hottest day ever recorded in Nafplion?
The hottest day measured in Nafplion between 1940 and 2025 was 19 July 1973, reaching 41.8 °C.
What is the coldest day in Nafplion?
The coldest day measured in Nafplion between 1940 and 2025 was 18 February 2008, at -9.4 °C.
Does it snow in Nafplion?
Yes. Nafplion gets on average 16.2 cm of snow per year and has around 4 frost days.
Has the climate of Nafplion warmed?
Yes: Nafplion warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nafplion?
The wettest day measured in Nafplion between 1940 and 2025 was 29 September 2018, with 93 mm of rain in 24 hours.
What was the windiest day in Nafplion?
The windiest day measured in Nafplion between 1940 and 2025 was 24 January 1949, with winds reaching 33.8 km/h.
What is the warmest month in Nafplion?
The warmest month in Nafplion is July (25.8 °C on average); the coldest is January (7.4 °C).
How much does it rain in Nafplion?
Nafplion receives on average 472 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Nafplion?
Nafplion 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 Nafplion?
The heaviest 24-hour snowfall measured in Nafplion between 1940 and 2025 was 26 March 1998, with 27.0 cm.
Are there tropical nights in Nafplion?
Yes: Nafplion has on average 49 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nafplion?
In Nafplion, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 19 July 1973, and the lowest was -14.6 °C on 18 February 2008.
Compare Nafplion with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nafplion