Karnobat climate — normals and trends
Karnobat (Bulgaria) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.6 °C and it receives 654 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 (22.2 °C on average) and the coldest is January (0.6 °C). Rainfall peaks in May.
Karnobat averages 68 frost days, 15 hot days (≥ 30 °C) and 103 rainy days per year.
Karnobat 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 83 to 53 per year over the period.
The hottest day of the period reached 40.3 °C (on 20 August 1945) and the coldest -26.9 °C (on 25 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
KarnobatBurgas
- coords
- 42.65°, 26.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.6°C
Average daily high
16.1°C
Average daily low
7.6°C
Annual rainfall
654mm
Sunshine / day
9.0h
Mean relative humidity
76%
Average peak wind
15.2km/h
Seasonal range
21.6°C
Frost days (< 0 °C)
68 d/yr
Hot days (≥ 30 °C)
15 d/yr
Rainy days (≥ 1 mm)
103 d/yr
Annual snowfall
57.3 cm
Average feels-like high
14.7 °C
Average feels-like low
5.6 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
6 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 = 0.42 · 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
40.3 °C
20 August 1945
Coldest day
-26.9 °C
25 January 1942
Wettest day
68 mm
6 July 1991
Windiest day
45.3 km/h
1 January 1971
Strongest gust
112.7 km/h
1 January 1971
Hottest feels-like
41.6 °C
5 July 2000
Coldest feels-like
-31.6 °C
24 January 1942
Snowiest day
28.6 cm
5 February 1998
Sunniest day
14.8 h
24 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 | 9.2 °C | +5.2 °C | 28 mm | -22 mm |
| Feb | 3.4 °C | -2.8 °C | 52 mm | +4 mm |
| Mar | 14.8 °C | +5.0 °C | 40 mm | -12 mm |
| Apr | 14.4 °C | -1.0 °C | 59 mm | -5 mm |
| May | 19.9 °C | -0.5 °C | 98 mm | +23 mm |
| Jun | 27.5 °C | +2.8 °C | 8 mm | -66 mm |
| Jul | 31.4 °C | +4.1 °C | 8 mm | -45 mm |
| Aug | 29.1 °C | +1.5 °C | 31 mm | -5 mm |
| Sep | 24.7 °C | +1.3 °C | 24 mm | -14 mm |
| Oct | 16.6 °C | -0.7 °C | 157 mm | +109 mm |
| Nov | 15.0 °C | +3.7 °C | 58 mm | +3 mm |
| Dec | 8.1 °C | +2.0 °C | 32 mm | -27 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 Karnobat?
Karnobat has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 11.6 °C and it receives 654 mm of precipitation per year.
What is the hottest day ever recorded in Karnobat?
The hottest day measured in Karnobat between 1940 and 2025 was 20 August 1945, reaching 40.3 °C.
What is the coldest day in Karnobat?
The coldest day measured in Karnobat between 1940 and 2025 was 25 January 1942, at -26.9 °C.
Does it snow in Karnobat?
Yes. Karnobat gets on average 57.3 cm of snow per year and has around 68 frost days.
Has the climate of Karnobat warmed?
Yes: Karnobat warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Karnobat?
The wettest day measured in Karnobat between 1940 and 2025 was 6 July 1991, with 68 mm of rain in 24 hours.
What was the windiest day in Karnobat?
The windiest day measured in Karnobat between 1940 and 2025 was 1 January 1971, with winds reaching 45.3 km/h.
What is the warmest month in Karnobat?
The warmest month in Karnobat is July (22.2 °C on average); the coldest is January (0.6 °C).
How much does it rain in Karnobat?
Karnobat receives on average 654 mm of precipitation per year, spread over about 103 rainy days.
Is it sunny in Karnobat?
Karnobat gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Karnobat?
The heaviest 24-hour snowfall measured in Karnobat between 1940 and 2025 was 5 February 1998, with 28.6 cm.
Are there tropical nights in Karnobat?
Yes: Karnobat has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Karnobat?
In Karnobat, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 5 July 2000, and the lowest was -31.6 °C on 24 January 1942.
Compare Karnobat with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Karnobat