Malacky climate — normals and trends
Malacky (Slovakia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.9 °C and it receives 623 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 (-1.4 °C). Rainfall peaks in June.
Malacky averages 85 frost days, 12 hot days (≥ 30 °C) and 113 rainy days per year.
Malacky has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 103 to 67 per year over the period.
The hottest day of the period reached 38.3 °C (on 5 July 1957) and the coldest -29.1 °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
MalackyBratislava Region
- coords
- 48.44°, 17.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.9°C
Average daily high
13.9°C
Average daily low
6.1°C
Annual rainfall
623mm
Sunshine / day
8.3h
Mean relative humidity
74%
Average peak wind
17.4km/h
Seasonal range
21.7°C
Frost days (< 0 °C)
85 d/yr
Hot days (≥ 30 °C)
12 d/yr
Rainy days (≥ 1 mm)
113 d/yr
Annual snowfall
47.6 cm
Average feels-like high
11.5 °C
Average feels-like low
3.3 °C
Average peak gust
36.7 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
11.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.49 · 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
38.3 °C
5 July 1957
Coldest day
-29.1 °C
24 January 1942
Wettest day
86 mm
25 August 1965
Windiest day
51.8 km/h
1 March 1990
Strongest gust
108.0 km/h
29 October 2017
Hottest feels-like
40.2 °C
5 July 1957
Coldest feels-like
-33.6 °C
24 January 1942
Snowiest day
20.1 cm
3 January 1941
Sunniest day
15.7 h
1 July 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 | 4.0 °C | +2.9 °C | 22 mm | -13 mm |
| Feb | 4.7 °C | +0.9 °C | 10 mm | -26 mm |
| Mar | 13.2 °C | +4.2 °C | 50 mm | +10 mm |
| Apr | 17.7 °C | +2.9 °C | 41 mm | -9 mm |
| May | 18.8 °C | -0.8 °C | 37 mm | -29 mm |
| Jun | 26.8 °C | +3.6 °C | 59 mm | -17 mm |
| Jul | 25.8 °C | +0.4 °C | 82 mm | +9 mm |
| Aug | 26.7 °C | +1.5 °C | 38 mm | -26 mm |
| Sep | 21.7 °C | +1.1 °C | 97 mm | +42 mm |
| Oct | 14.0 °C | -0.4 °C | 37 mm | -4 mm |
| Nov | 7.3 °C | -0.1 °C | 61 mm | +14 mm |
| Dec | 3.8 °C | +1.0 °C | 22 mm | -19 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 Malacky?
Malacky has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.9 °C and it receives 623 mm of precipitation per year.
What is the hottest day ever recorded in Malacky?
The hottest day measured in Malacky between 1940 and 2025 was 5 July 1957, reaching 38.3 °C.
What is the coldest day in Malacky?
The coldest day measured in Malacky between 1940 and 2025 was 24 January 1942, at -29.1 °C.
Does it snow in Malacky?
Yes. Malacky gets on average 47.6 cm of snow per year and has around 85 frost days.
Has the climate of Malacky warmed?
Yes: Malacky warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Malacky?
The wettest day measured in Malacky between 1940 and 2025 was 25 August 1965, with 86 mm of rain in 24 hours.
What was the windiest day in Malacky?
The windiest day measured in Malacky between 1940 and 2025 was 1 March 1990, with winds reaching 51.8 km/h.
What is the warmest month in Malacky?
The warmest month in Malacky is July (20.3 °C on average); the coldest is January (-1.4 °C).
How much does it rain in Malacky?
Malacky receives on average 623 mm of precipitation per year, spread over about 113 rainy days.
Is it sunny in Malacky?
Malacky gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Malacky?
The heaviest 24-hour snowfall measured in Malacky between 1940 and 2025 was 3 January 1941, with 20.1 cm.
Are there tropical nights in Malacky?
Yes: Malacky has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Malacky?
In Malacky, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 5 July 1957, and the lowest was -33.6 °C on 24 January 1942.
Compare Malacky with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Malacky