Burgas climate — normals and trends
Burgas (Bulgaria) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.0 °C and it receives 580 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 (23.0 °C on average) and the coldest is January (2.9 °C). Rainfall peaks in December.
Burgas averages 36 frost days, 6 hot days (≥ 30 °C) and 96 rainy days per year.
Burgas has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 50 to 22 per year over the period.
The hottest day of the period reached 37.3 °C (on 20 August 1945) and the coldest -20.1 °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
BurgasBurgas
- coords
- 42.51°, 27.47°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.0°C
Average daily high
16.3°C
Average daily low
10.1°C
Annual rainfall
580mm
Sunshine / day
9.4h
Mean relative humidity
77%
Average peak wind
18.3km/h
Seasonal range
20.1°C
Frost days (< 0 °C)
36 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
96 d/yr
Annual snowfall
37.7 cm
Average feels-like high
15.1 °C
Average feels-like low
8.1 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
32 d/yr
Solar radiation
14.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.43 · 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
37.3 °C
20 August 1945
Coldest day
-20.1 °C
25 January 1942
Wettest day
71 mm
5 September 1999
Windiest day
53.3 km/h
1 January 1971
Strongest gust
105.1 km/h
1 February 2015
Hottest feels-like
40.5 °C
25 July 2007
Coldest feels-like
-24.8 °C
25 January 1942
Snowiest day
23.0 cm
3 February 1986
Sunniest day
14.5 h
7 July 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 | 10.2 °C | +4.5 °C | 36 mm | -17 mm |
| Feb | 5.0 °C | -2.2 °C | 56 mm | +7 mm |
| Mar | 13.8 °C | +4.0 °C | 38 mm | -12 mm |
| Apr | 13.2 °C | -1.3 °C | 55 mm | +5 mm |
| May | 19.1 °C | -0.4 °C | 92 mm | +41 mm |
| Jun | 25.6 °C | +1.5 °C | 12 mm | -43 mm |
| Jul | 28.4 °C | +1.8 °C | 4 mm | -33 mm |
| Aug | 27.2 °C | +0.4 °C | 21 mm | -7 mm |
| Sep | 23.9 °C | +0.8 °C | 12 mm | -26 mm |
| Oct | 17.5 °C | -0.3 °C | 153 mm | +102 mm |
| Nov | 16.3 °C | +3.7 °C | 51 mm | -5 mm |
| Dec | 9.8 °C | +1.9 °C | 32 mm | -31 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 Burgas?
Burgas has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.0 °C and it receives 580 mm of precipitation per year.
What is the hottest day ever recorded in Burgas?
The hottest day measured in Burgas between 1940 and 2025 was 20 August 1945, reaching 37.3 °C.
What is the coldest day in Burgas?
The coldest day measured in Burgas between 1940 and 2025 was 25 January 1942, at -20.1 °C.
Does it snow in Burgas?
Yes. Burgas gets on average 37.7 cm of snow per year and has around 36 frost days.
Has the climate of Burgas warmed?
Yes: Burgas warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Burgas?
The wettest day measured in Burgas between 1940 and 2025 was 5 September 1999, with 71 mm of rain in 24 hours.
What was the windiest day in Burgas?
The windiest day measured in Burgas between 1940 and 2025 was 1 January 1971, with winds reaching 53.3 km/h.
What is the warmest month in Burgas?
The warmest month in Burgas is July (23.0 °C on average); the coldest is January (2.9 °C).
How much does it rain in Burgas?
Burgas receives on average 580 mm of precipitation per year, spread over about 96 rainy days.
Is it sunny in Burgas?
Burgas gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Burgas?
The heaviest 24-hour snowfall measured in Burgas between 1940 and 2025 was 3 February 1986, with 23.0 cm.
Are there tropical nights in Burgas?
Yes: Burgas has on average 32 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Burgas?
In Burgas, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 25 July 2007, and the lowest was -24.8 °C on 25 January 1942.
Compare Burgas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Burgas