Umag climate — normals and trends
Umag (Croatia) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.9 °C and it receives 1,177 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 August (23.8 °C on average) and the coldest is January (6.8 °C). Rainfall peaks in November.
Umag averages 4 frost days, 0 hot days (≥ 30 °C) and 117 rainy days per year.
Umag has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 8 to 0 per year over the period.
The hottest day of the period reached 30.8 °C (on 22 July 2015) and the coldest -9.9 °C (on 20 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
UmagIstria County
- coords
- 45.43°, 13.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.9°C
Average daily high
16.2°C
Average daily low
13.7°C
Annual rainfall
1,177mm
Sunshine / day
9.5h
Mean relative humidity
73%
Average peak wind
21.1km/h
Seasonal range
17.0°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
117 d/yr
Annual snowfall
6.5 cm
Average feels-like high
15.5 °C
Average feels-like low
11.5 °C
Average peak gust
30.3 km/h
Tropical nights (≥ 20 °C)
82 d/yr
Solar radiation
13.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °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
30.8 °C
22 July 2015
Coldest day
-9.9 °C
20 January 1940
Wettest day
110 mm
28 August 1986
Windiest day
67.8 km/h
11 February 1956
Strongest gust
124.6 km/h
11 February 1956
Hottest feels-like
37.6 °C
22 July 2015
Coldest feels-like
-19.2 °C
10 February 1956
Snowiest day
11.1 cm
6 March 1955
Sunniest day
14.9 h
28 June 2016
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 | 10.1 °C | +2.1 °C | 127 mm | +43 mm |
| Feb | 9.4 °C | +1.0 °C | 70 mm | -11 mm |
| Mar | 12.1 °C | +1.6 °C | 171 mm | +91 mm |
| Apr | 15.4 °C | +1.7 °C | 71 mm | -11 mm |
| May | 19.0 °C | +0.7 °C | 117 mm | +39 mm |
| Jun | 25.4 °C | +3.0 °C | 8 mm | -71 mm |
| Jul | 26.2 °C | +1.3 °C | 112 mm | +53 mm |
| Aug | 26.0 °C | +0.9 °C | 92 mm | +5 mm |
| Sep | 23.1 °C | +1.2 °C | 215 mm | +83 mm |
| Oct | 17.9 °C | +0.1 °C | 152 mm | +4 mm |
| Nov | 13.9 °C | +0.6 °C | 125 mm | -31 mm |
| Dec | 11.5 °C | +1.8 °C | 34 mm | -81 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 Umag?
Umag has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.9 °C and it receives 1,177 mm of precipitation per year.
What is the hottest day ever recorded in Umag?
The hottest day measured in Umag between 1940 and 2025 was 22 July 2015, reaching 30.8 °C.
What is the coldest day in Umag?
The coldest day measured in Umag between 1940 and 2025 was 20 January 1940, at -9.9 °C.
Does it snow in Umag?
Yes. Umag gets on average 6.5 cm of snow per year and has around 4 frost days.
Has the climate of Umag warmed?
Yes: Umag warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Umag?
The wettest day measured in Umag between 1940 and 2025 was 28 August 1986, with 110 mm of rain in 24 hours.
What was the windiest day in Umag?
The windiest day measured in Umag between 1940 and 2025 was 11 February 1956, with winds reaching 67.8 km/h.
What is the warmest month in Umag?
The warmest month in Umag is August (23.8 °C on average); the coldest is January (6.8 °C).
How much does it rain in Umag?
Umag receives on average 1,177 mm of precipitation per year, spread over about 117 rainy days.
Is it sunny in Umag?
Umag gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Umag?
The heaviest 24-hour snowfall measured in Umag between 1940 and 2025 was 6 March 1955, with 11.1 cm.
Are there tropical nights in Umag?
Yes: Umag has on average 82 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Umag?
In Umag, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 22 July 2015, and the lowest was -19.2 °C on 10 February 1956.
Compare Umag with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Umag