Ptuj climate — normals and trends
Ptuj (Slovenia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 924 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 (20.1 °C on average) and the coldest is January (-1.1 °C). Rainfall peaks in June.
Ptuj averages 88 frost days, 9 hot days (≥ 30 °C) and 122 rainy days per year.
Ptuj 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 106 to 70 per year over the period.
The hottest day of the period reached 37.7 °C (on 8 August 2013) and the coldest -28.2 °C (on 8 January 1985).
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
PtujUrban Municipality of Ptuj
- coords
- 46.42°, 15.87°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
14.4°C
Average daily low
6.0°C
Annual rainfall
924mm
Sunshine / day
8.5h
Mean relative humidity
76%
Average peak wind
12.5km/h
Seasonal range
21.2°C
Frost days (< 0 °C)
88 d/yr
Hot days (≥ 30 °C)
9 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
83.3 cm
Average feels-like high
12.7 °C
Average feels-like low
3.9 °C
Average peak gust
30.0 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
12.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.50 · 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
37.7 °C
8 August 2013
Coldest day
-28.2 °C
8 January 1985
Wettest day
87 mm
19 September 2017
Windiest day
39.3 km/h
10 February 1984
Strongest gust
96.5 km/h
10 February 1984
Hottest feels-like
40.4 °C
27 June 2019
Coldest feels-like
-32.4 °C
8 January 1985
Snowiest day
24.4 cm
7 March 1944
Sunniest day
15.1 h
23 June 2020
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 | 6.7 °C | +4.5 °C | 37 mm | -6 mm |
| Feb | 5.1 °C | -0.1 °C | 45 mm | -3 mm |
| Mar | 13.4 °C | +3.3 °C | 116 mm | +55 mm |
| Apr | 17.6 °C | +2.4 °C | 55 mm | -23 mm |
| May | 19.5 °C | -0.1 °C | 101 mm | +5 mm |
| Jun | 28.3 °C | +5.2 °C | 33 mm | -74 mm |
| Jul | 26.4 °C | +1.4 °C | 110 mm | +5 mm |
| Aug | 27.0 °C | +2.3 °C | 47 mm | -45 mm |
| Sep | 21.9 °C | +1.4 °C | 108 mm | +22 mm |
| Oct | 15.3 °C | +0.4 °C | 73 mm | +2 mm |
| Nov | 9.6 °C | +1.4 °C | 77 mm | -0 mm |
| Dec | 4.3 °C | +0.8 °C | 56 mm | -3 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 Ptuj?
Ptuj has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 924 mm of precipitation per year.
What is the hottest day ever recorded in Ptuj?
The hottest day measured in Ptuj between 1940 and 2025 was 8 August 2013, reaching 37.7 °C.
What is the coldest day in Ptuj?
The coldest day measured in Ptuj between 1940 and 2025 was 8 January 1985, at -28.2 °C.
Does it snow in Ptuj?
Yes. Ptuj gets on average 83.3 cm of snow per year and has around 88 frost days.
Has the climate of Ptuj warmed?
Yes: Ptuj warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ptuj?
The wettest day measured in Ptuj between 1940 and 2025 was 19 September 2017, with 87 mm of rain in 24 hours.
What was the windiest day in Ptuj?
The windiest day measured in Ptuj between 1940 and 2025 was 10 February 1984, with winds reaching 39.3 km/h.
What is the warmest month in Ptuj?
The warmest month in Ptuj is July (20.1 °C on average); the coldest is January (-1.1 °C).
How much does it rain in Ptuj?
Ptuj receives on average 924 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Ptuj?
Ptuj 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 Ptuj?
The heaviest 24-hour snowfall measured in Ptuj between 1940 and 2025 was 7 March 1944, with 24.4 cm.
Are there tropical nights in Ptuj?
Yes: Ptuj has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ptuj?
In Ptuj, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 27 June 2019, and the lowest was -32.4 °C on 8 January 1985.
Compare Ptuj with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ptuj