Rogaška Slatina climate — normals and trends
Rogaška Slatina (Slovenia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.4 °C and it receives 868 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 (20.5 °C on average) and the coldest is January (-0.7 °C). Rainfall peaks in June.
Rogaška Slatina averages 84 frost days, 11 hot days (≥ 30 °C) and 118 rainy days per year.
Rogaška Slatina has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 100 to 68 per year over the period.
The hottest day of the period reached 38.1 °C (on 8 August 2013) and the coldest -28.6 °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
Rogaška SlatinaMunicipality of Rogaška Slatina
- coords
- 46.24°, 15.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.4°C
Average daily high
14.7°C
Average daily low
6.3°C
Annual rainfall
868mm
Sunshine / day
8.5h
Mean relative humidity
77%
Average peak wind
12.5km/h
Seasonal range
21.2°C
Frost days (< 0 °C)
84 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
118 d/yr
Annual snowfall
71.0 cm
Average feels-like high
13.2 °C
Average feels-like low
4.2 °C
Average peak gust
32.1 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
12.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.51 · 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
38.1 °C
8 August 2013
Coldest day
-28.6 °C
24 January 1942
Wettest day
71 mm
13 July 1972
Windiest day
39.8 km/h
10 February 1984
Strongest gust
104.8 km/h
10 February 1984
Hottest feels-like
39.9 °C
27 June 2019
Coldest feels-like
-33.7 °C
24 January 1942
Snowiest day
22.6 cm
13 November 1993
Sunniest day
15.1 h
21 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 | 6.9 °C | +4.3 °C | 46 mm | +2 mm |
| Feb | 5.5 °C | 0.0 °C | 49 mm | +1 mm |
| Mar | 13.6 °C | +3.2 °C | 109 mm | +50 mm |
| Apr | 17.8 °C | +2.4 °C | 58 mm | -18 mm |
| May | 19.8 °C | -0.1 °C | 84 mm | -6 mm |
| Jun | 29.0 °C | +5.5 °C | 37 mm | -60 mm |
| Jul | 27.2 °C | +1.6 °C | 85 mm | -5 mm |
| Aug | 27.6 °C | +2.3 °C | 32 mm | -49 mm |
| Sep | 22.3 °C | +1.3 °C | 78 mm | +0 mm |
| Oct | 15.4 °C | +0.2 °C | 77 mm | +8 mm |
| Nov | 9.7 °C | +1.2 °C | 85 mm | +7 mm |
| Dec | 4.3 °C | +0.5 °C | 49 mm | -9 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 Rogaška Slatina?
Rogaška Slatina has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 10.4 °C and it receives 868 mm of precipitation per year.
What is the hottest day ever recorded in Rogaška Slatina?
The hottest day measured in Rogaška Slatina between 1940 and 2025 was 8 August 2013, reaching 38.1 °C.
What is the coldest day in Rogaška Slatina?
The coldest day measured in Rogaška Slatina between 1940 and 2025 was 24 January 1942, at -28.6 °C.
Does it snow in Rogaška Slatina?
Yes. Rogaška Slatina gets on average 71.0 cm of snow per year and has around 84 frost days.
Has the climate of Rogaška Slatina warmed?
Yes: Rogaška Slatina warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rogaška Slatina?
The wettest day measured in Rogaška Slatina between 1940 and 2025 was 13 July 1972, with 71 mm of rain in 24 hours.
What was the windiest day in Rogaška Slatina?
The windiest day measured in Rogaška Slatina between 1940 and 2025 was 10 February 1984, with winds reaching 39.8 km/h.
What is the warmest month in Rogaška Slatina?
The warmest month in Rogaška Slatina is July (20.5 °C on average); the coldest is January (-0.7 °C).
How much does it rain in Rogaška Slatina?
Rogaška Slatina receives on average 868 mm of precipitation per year, spread over about 118 rainy days.
Is it sunny in Rogaška Slatina?
Rogaška Slatina gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Rogaška Slatina?
The heaviest 24-hour snowfall measured in Rogaška Slatina between 1940 and 2025 was 13 November 1993, with 22.6 cm.
Are there tropical nights in Rogaška Slatina?
Yes: Rogaška Slatina has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rogaška Slatina?
In Rogaška Slatina, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 27 June 2019, and the lowest was -33.7 °C on 24 January 1942.
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Nearby cities
The climate around Rogaška Slatina