Omurtag climate — normals and trends
Omurtag (Bulgaria) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 814 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 (20.9 °C on average) and the coldest is January (-1.0 °C). Rainfall peaks in May.
Omurtag averages 86 frost days, 9 hot days (≥ 30 °C) and 121 rainy days per year.
Omurtag has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 101 to 71 per year over the period.
The hottest day of the period reached 38.4 °C (on 20 August 1945) and the coldest -25.8 °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
OmurtagTargovishte
- coords
- 43.10°, 26.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
14.7°C
Average daily low
6.3°C
Annual rainfall
814mm
Sunshine / day
9.1h
Mean relative humidity
77%
Average peak wind
13.5km/h
Seasonal range
21.9°C
Frost days (< 0 °C)
86 d/yr
Hot days (≥ 30 °C)
9 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
97.3 cm
Average feels-like high
13.2 °C
Average feels-like low
4.2 °C
Average peak gust
34.0 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
14.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
38.4 °C
20 August 1945
Coldest day
-25.8 °C
24 January 1942
Wettest day
64 mm
20 August 1949
Windiest day
40.2 km/h
5 June 2001
Strongest gust
112.0 km/h
1 January 1971
Hottest feels-like
41.2 °C
5 July 2000
Coldest feels-like
-30.2 °C
24 January 1942
Snowiest day
29.3 cm
5 February 1998
Sunniest day
14.9 h
26 June 1942
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 | 8.1 °C | +5.7 °C | 22 mm | -35 mm |
| Feb | 2.0 °C | -2.6 °C | 46 mm | -8 mm |
| Mar | 13.9 °C | +5.4 °C | 42 mm | -20 mm |
| Apr | 13.9 °C | -0.5 °C | 55 mm | -23 mm |
| May | 18.5 °C | -0.9 °C | 131 mm | +29 mm |
| Jun | 26.8 °C | +3.4 °C | 28 mm | -70 mm |
| Jul | 30.3 °C | +4.5 °C | 55 mm | -20 mm |
| Aug | 27.8 °C | +1.8 °C | 60 mm | +5 mm |
| Sep | 23.3 °C | +1.4 °C | 35 mm | -15 mm |
| Oct | 14.7 °C | -1.1 °C | 187 mm | +132 mm |
| Nov | 13.4 °C | +3.8 °C | 92 mm | +28 mm |
| Dec | 6.2 °C | +1.8 °C | 38 mm | -28 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 Omurtag?
Omurtag has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 814 mm of precipitation per year.
What is the hottest day ever recorded in Omurtag?
The hottest day measured in Omurtag between 1940 and 2025 was 20 August 1945, reaching 38.4 °C.
What is the coldest day in Omurtag?
The coldest day measured in Omurtag between 1940 and 2025 was 24 January 1942, at -25.8 °C.
Does it snow in Omurtag?
Yes. Omurtag gets on average 97.3 cm of snow per year and has around 86 frost days.
Has the climate of Omurtag warmed?
Yes: Omurtag warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Omurtag?
The wettest day measured in Omurtag between 1940 and 2025 was 20 August 1949, with 64 mm of rain in 24 hours.
What was the windiest day in Omurtag?
The windiest day measured in Omurtag between 1940 and 2025 was 5 June 2001, with winds reaching 40.2 km/h.
What is the warmest month in Omurtag?
The warmest month in Omurtag is July (20.9 °C on average); the coldest is January (-1.0 °C).
How much does it rain in Omurtag?
Omurtag receives on average 814 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Omurtag?
Omurtag gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Omurtag?
The heaviest 24-hour snowfall measured in Omurtag between 1940 and 2025 was 5 February 1998, with 29.3 cm.
Are there tropical nights in Omurtag?
Yes: Omurtag has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Omurtag?
In Omurtag, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 5 July 2000, and the lowest was -30.2 °C on 24 January 1942.
Compare Omurtag with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Omurtag