Nafpaktos climate — normals and trends
Nafpaktos (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.7 °C and it receives 1,076 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 (24.1 °C on average) and the coldest is January (6.3 °C). Rainfall peaks in December.
Nafpaktos averages 8 frost days, 28 hot days (≥ 30 °C) and 123 rainy days per year.
Nafpaktos has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 10 to 6 per year over the period.
The hottest day of the period reached 38.7 °C (on 7 July 1988) and the coldest -13.0 °C (on 14 January 1968).
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
NafpaktosWest Greece
- coords
- 38.39°, 21.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.7°C
Average daily high
18.7°C
Average daily low
11.1°C
Annual rainfall
1,076mm
Sunshine / day
10.2h
Mean relative humidity
74%
Average peak wind
10.9km/h
Seasonal range
17.8°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
28 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
23.2 cm
Average feels-like high
18.4 °C
Average feels-like low
10.2 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
29 d/yr
Solar radiation
16.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.28 · 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
38.7 °C
7 July 1988
Coldest day
-13.0 °C
14 January 1968
Wettest day
83 mm
8 December 1940
Windiest day
31.9 km/h
14 February 1962
Strongest gust
115.6 km/h
14 February 1962
Hottest feels-like
43.0 °C
7 July 1988
Coldest feels-like
-17.7 °C
14 January 1968
Snowiest day
34.6 cm
5 January 1946
Sunniest day
14.6 h
20 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 12.1 °C | +2.7 °C | 80 mm | -70 mm |
| Feb | 10.1 °C | -0.2 °C | 52 mm | -76 mm |
| Mar | 15.8 °C | +3.3 °C | 54 mm | -50 mm |
| Apr | 17.3 °C | +1.0 °C | 68 mm | -16 mm |
| May | 21.7 °C | +0.7 °C | 68 mm | -1 mm |
| Jun | 29.3 °C | +3.9 °C | 26 mm | -15 mm |
| Jul | 31.5 °C | +2.8 °C | 5 mm | -18 mm |
| Aug | 30.3 °C | +1.2 °C | 8 mm | -11 mm |
| Sep | 27.3 °C | +2.1 °C | 45 mm | +0 mm |
| Oct | 18.3 °C | -1.7 °C | 179 mm | +86 mm |
| Nov | 16.5 °C | +1.5 °C | 146 mm | -7 mm |
| Dec | 13.1 °C | +2.2 °C | 83 mm | -85 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 Nafpaktos?
Nafpaktos has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.7 °C and it receives 1,076 mm of precipitation per year.
What is the hottest day ever recorded in Nafpaktos?
The hottest day measured in Nafpaktos between 1940 and 2025 was 7 July 1988, reaching 38.7 °C.
What is the coldest day in Nafpaktos?
The coldest day measured in Nafpaktos between 1940 and 2025 was 14 January 1968, at -13.0 °C.
Does it snow in Nafpaktos?
Yes. Nafpaktos gets on average 23.2 cm of snow per year and has around 8 frost days.
Has the climate of Nafpaktos warmed?
Yes: Nafpaktos warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nafpaktos?
The wettest day measured in Nafpaktos between 1940 and 2025 was 8 December 1940, with 83 mm of rain in 24 hours.
What was the windiest day in Nafpaktos?
The windiest day measured in Nafpaktos between 1940 and 2025 was 14 February 1962, with winds reaching 31.9 km/h.
What is the warmest month in Nafpaktos?
The warmest month in Nafpaktos is August (24.1 °C on average); the coldest is January (6.3 °C).
How much does it rain in Nafpaktos?
Nafpaktos receives on average 1,076 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Nafpaktos?
Nafpaktos 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 Nafpaktos?
The heaviest 24-hour snowfall measured in Nafpaktos between 1940 and 2025 was 5 January 1946, with 34.6 cm.
Are there tropical nights in Nafpaktos?
Yes: Nafpaktos has on average 29 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nafpaktos?
In Nafpaktos, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 7 July 1988, and the lowest was -17.7 °C on 14 January 1968.
Compare Nafpaktos with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nafpaktos