Poltár climate — normals and trends
Poltár (Slovakia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.9 °C and it receives 721 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 (18.3 °C on average) and the coldest is January (-3.7 °C). Rainfall peaks in June.
Poltár averages 125 frost days, 4 hot days (≥ 30 °C) and 126 rainy days per year.
Poltár has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 142 to 108 per year over the period.
The hottest day of the period reached 35.1 °C (on 21 July 2022) and the coldest -28.3 °C (on 21 January 1940).
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
PoltárBanská Bystrica Region
- coords
- 48.43°, 19.79°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.9°C
Average daily high
12.5°C
Average daily low
3.4°C
Annual rainfall
721mm
Sunshine / day
8.3h
Mean relative humidity
79%
Average peak wind
10.3km/h
Seasonal range
22.0°C
Frost days (< 0 °C)
125 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
77.9 cm
Average feels-like high
10.8 °C
Average feels-like low
1.0 °C
Average peak gust
27.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.60 · 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
35.1 °C
21 July 2022
Coldest day
-28.3 °C
21 January 1940
Wettest day
52 mm
5 October 1963
Windiest day
32.0 km/h
11 April 1997
Strongest gust
99.4 km/h
15 May 2014
Hottest feels-like
37.1 °C
15 August 1952
Coldest feels-like
-33.5 °C
21 January 1940
Snowiest day
16.0 cm
30 November 2017
Sunniest day
15.2 h
30 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 | 3.3 °C | +3.5 °C | 37 mm | -5 mm |
| Feb | 3.9 °C | +1.4 °C | 22 mm | -24 mm |
| Mar | 12.1 °C | +4.6 °C | 88 mm | +42 mm |
| Apr | 16.3 °C | +2.7 °C | 50 mm | -10 mm |
| May | 17.0 °C | -1.3 °C | 66 mm | -14 mm |
| Jun | 26.3 °C | +4.5 °C | 13 mm | -71 mm |
| Jul | 25.7 °C | +2.0 °C | 86 mm | +10 mm |
| Aug | 26.4 °C | +2.9 °C | 85 mm | +21 mm |
| Sep | 21.1 °C | +2.0 °C | 89 mm | +34 mm |
| Oct | 12.3 °C | -0.7 °C | 60 mm | +8 mm |
| Nov | 6.9 °C | +0.8 °C | 120 mm | +56 mm |
| Dec | 4.0 °C | +2.8 °C | 13 mm | -38 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 Poltár?
Poltár has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.9 °C and it receives 721 mm of precipitation per year.
What is the hottest day ever recorded in Poltár?
The hottest day measured in Poltár between 1940 and 2025 was 21 July 2022, reaching 35.1 °C.
What is the coldest day in Poltár?
The coldest day measured in Poltár between 1940 and 2025 was 21 January 1940, at -28.3 °C.
Does it snow in Poltár?
Yes. Poltár gets on average 77.9 cm of snow per year and has around 125 frost days.
Has the climate of Poltár warmed?
Yes: Poltár warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Poltár?
The wettest day measured in Poltár between 1940 and 2025 was 5 October 1963, with 52 mm of rain in 24 hours.
What was the windiest day in Poltár?
The windiest day measured in Poltár between 1940 and 2025 was 11 April 1997, with winds reaching 32.0 km/h.
What is the warmest month in Poltár?
The warmest month in Poltár is July (18.3 °C on average); the coldest is January (-3.7 °C).
How much does it rain in Poltár?
Poltár receives on average 721 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Poltár?
Poltár 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 Poltár?
The heaviest 24-hour snowfall measured in Poltár between 1940 and 2025 was 30 November 2017, with 16.0 cm.
Are there tropical nights in Poltár?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Poltár.
What was the most extreme apparent temperature in Poltár?
In Poltár, between 1940 and 2025, the highest apparent temperature reached 37.1 °C on 15 August 1952, and the lowest was -33.5 °C on 21 January 1940.
Compare Poltár with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Poltár