Slivnitsa climate — normals and trends
Slivnitsa (Bulgaria) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.6 °C and it receives 553 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 (19.9 °C on average) and the coldest is January (-1.8 °C). Rainfall peaks in May.
Slivnitsa averages 104 frost days, 11 hot days (≥ 30 °C) and 109 rainy days per year.
Slivnitsa has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 117 to 91 per year over the period.
The hottest day of the period reached 38.5 °C (on 24 July 2007) and the coldest -29.3 °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
SlivnitsaSofia
- coords
- 42.85°, 23.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.6°C
Average daily high
14.7°C
Average daily low
5.0°C
Annual rainfall
553mm
Sunshine / day
9.5h
Mean relative humidity
72%
Average peak wind
11.4km/h
Seasonal range
21.7°C
Frost days (< 0 °C)
104 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
109 d/yr
Annual snowfall
79.8 cm
Average feels-like high
12.9 °C
Average feels-like low
2.7 °C
Average peak gust
28.9 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
14.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.51 · 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
38.5 °C
24 July 2007
Coldest day
-29.3 °C
24 January 1942
Wettest day
46 mm
19 August 1949
Windiest day
35.1 km/h
26 February 1989
Strongest gust
87.5 km/h
17 April 1999
Hottest feels-like
38.8 °C
24 July 2007
Coldest feels-like
-34.0 °C
24 January 1942
Snowiest day
21.5 cm
15 February 1991
Sunniest day
15.0 h
24 June 1940
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 | 6.8 °C | +4.5 °C | 22 mm | -19 mm |
| Feb | 4.8 °C | -0.3 °C | 15 mm | -25 mm |
| Mar | 14.5 °C | +5.1 °C | 49 mm | -3 mm |
| Apr | 15.5 °C | +0.7 °C | 36 mm | -23 mm |
| May | 18.4 °C | -1.0 °C | 88 mm | +28 mm |
| Jun | 27.4 °C | +4.3 °C | 3 mm | -54 mm |
| Jul | 29.7 °C | +4.2 °C | 16 mm | -23 mm |
| Aug | 27.7 °C | +1.7 °C | 19 mm | -13 mm |
| Sep | 24.5 °C | +2.5 °C | 24 mm | -9 mm |
| Oct | 13.5 °C | -2.5 °C | 146 mm | +103 mm |
| Nov | 11.8 °C | +2.4 °C | 113 mm | +61 mm |
| Dec | 5.7 °C | +1.8 °C | 31 mm | -16 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 Slivnitsa?
Slivnitsa has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.6 °C and it receives 553 mm of precipitation per year.
What is the hottest day ever recorded in Slivnitsa?
The hottest day measured in Slivnitsa between 1940 and 2025 was 24 July 2007, reaching 38.5 °C.
What is the coldest day in Slivnitsa?
The coldest day measured in Slivnitsa between 1940 and 2025 was 24 January 1942, at -29.3 °C.
Does it snow in Slivnitsa?
Yes. Slivnitsa gets on average 79.8 cm of snow per year and has around 104 frost days.
Has the climate of Slivnitsa warmed?
Yes: Slivnitsa warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Slivnitsa?
The wettest day measured in Slivnitsa between 1940 and 2025 was 19 August 1949, with 46 mm of rain in 24 hours.
What was the windiest day in Slivnitsa?
The windiest day measured in Slivnitsa between 1940 and 2025 was 26 February 1989, with winds reaching 35.1 km/h.
What is the warmest month in Slivnitsa?
The warmest month in Slivnitsa is August (19.9 °C on average); the coldest is January (-1.8 °C).
How much does it rain in Slivnitsa?
Slivnitsa receives on average 553 mm of precipitation per year, spread over about 109 rainy days.
Is it sunny in Slivnitsa?
Slivnitsa 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 Slivnitsa?
The heaviest 24-hour snowfall measured in Slivnitsa between 1940 and 2025 was 15 February 1991, with 21.5 cm.
Are there tropical nights in Slivnitsa?
Yes: Slivnitsa has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Slivnitsa?
In Slivnitsa, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 24 July 2007, and the lowest was -34.0 °C on 24 January 1942.
Compare Slivnitsa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Slivnitsa