Piešťany climate — normals and trends
Piešťany (Slovakia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.8 °C and it receives 634 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 (20.3 °C on average) and the coldest is January (-1.7 °C). Rainfall peaks in June.
Piešťany averages 91 frost days, 13 hot days (≥ 30 °C) and 114 rainy days per year.
Piešťany has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 108 to 74 per year over the period.
The hottest day of the period reached 37.9 °C (on 19 August 2000) and the coldest -28.0 °C (on 24 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
PiešťanyTrnava Region
- coords
- 48.59°, 17.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.8°C
Average daily high
14.0°C
Average daily low
5.7°C
Annual rainfall
634mm
Sunshine / day
8.2h
Mean relative humidity
74%
Average peak wind
16.6km/h
Seasonal range
22.0°C
Frost days (< 0 °C)
91 d/yr
Hot days (≥ 30 °C)
13 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
52.4 cm
Average feels-like high
11.7 °C
Average feels-like low
3.1 °C
Average peak gust
34.5 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
12.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.54 · 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
37.9 °C
19 August 2000
Coldest day
-28.0 °C
24 January 1942
Wettest day
59 mm
13 September 2024
Windiest day
47.8 km/h
29 October 2017
Strongest gust
101.2 km/h
1 March 1990
Hottest feels-like
38.8 °C
15 August 1952
Coldest feels-like
-32.7 °C
24 January 1942
Snowiest day
17.5 cm
3 January 1941
Sunniest day
15.5 h
2 July 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 | 4.2 °C | +3.3 °C | 26 mm | -12 mm |
| Feb | 4.9 °C | +1.2 °C | 12 mm | -27 mm |
| Mar | 13.5 °C | +4.5 °C | 61 mm | +20 mm |
| Apr | 18.0 °C | +3.1 °C | 43 mm | -7 mm |
| May | 18.8 °C | -0.9 °C | 45 mm | -20 mm |
| Jun | 27.3 °C | +4.0 °C | 45 mm | -29 mm |
| Jul | 26.3 °C | +0.9 °C | 89 mm | +19 mm |
| Aug | 27.2 °C | +1.9 °C | 65 mm | +5 mm |
| Sep | 21.9 °C | +1.2 °C | 85 mm | +32 mm |
| Oct | 14.0 °C | -0.5 °C | 47 mm | +3 mm |
| Nov | 7.5 °C | 0.0 °C | 74 mm | +21 mm |
| Dec | 4.2 °C | +1.6 °C | 25 mm | -21 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 Piešťany?
Piešťany has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.8 °C and it receives 634 mm of precipitation per year.
What is the hottest day ever recorded in Piešťany?
The hottest day measured in Piešťany between 1940 and 2025 was 19 August 2000, reaching 37.9 °C.
What is the coldest day in Piešťany?
The coldest day measured in Piešťany between 1940 and 2025 was 24 January 1942, at -28.0 °C.
Does it snow in Piešťany?
Yes. Piešťany gets on average 52.4 cm of snow per year and has around 91 frost days.
Has the climate of Piešťany warmed?
Yes: Piešťany warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Piešťany?
The wettest day measured in Piešťany between 1940 and 2025 was 13 September 2024, with 59 mm of rain in 24 hours.
What was the windiest day in Piešťany?
The windiest day measured in Piešťany between 1940 and 2025 was 29 October 2017, with winds reaching 47.8 km/h.
What is the warmest month in Piešťany?
The warmest month in Piešťany is July (20.3 °C on average); the coldest is January (-1.7 °C).
How much does it rain in Piešťany?
Piešťany receives on average 634 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Piešťany?
Piešťany gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Piešťany?
The heaviest 24-hour snowfall measured in Piešťany between 1940 and 2025 was 3 January 1941, with 17.5 cm.
Are there tropical nights in Piešťany?
Yes: Piešťany has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Piešťany?
In Piešťany, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 15 August 1952, and the lowest was -32.7 °C on 24 January 1942.
Compare Piešťany with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Piešťany