Preslav climate — normals and trends
Preslav (Bulgaria) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.0 °C and it receives 671 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 (21.8 °C on average) and the coldest is January (-0.6 °C). Rainfall peaks in June.
Preslav averages 80 frost days, 15 hot days (≥ 30 °C) and 108 rainy days per year.
Preslav 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 95 to 65 per year over the period.
The hottest day of the period reached 39.8 °C (on 20 August 1945) and the coldest -26.1 °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
PreslavShumen
- coords
- 43.17°, 26.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.0°C
Average daily high
15.5°C
Average daily low
6.8°C
Annual rainfall
671mm
Sunshine / day
9.0h
Mean relative humidity
76%
Average peak wind
14.5km/h
Seasonal range
22.4°C
Frost days (< 0 °C)
80 d/yr
Hot days (≥ 30 °C)
15 d/yr
Rainy days (≥ 1 mm)
108 d/yr
Annual snowfall
82.4 cm
Average feels-like high
14.0 °C
Average feels-like low
4.7 °C
Average peak gust
33.0 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
39.8 °C
20 August 1945
Coldest day
-26.1 °C
24 January 1942
Wettest day
68 mm
20 August 1949
Windiest day
42.2 km/h
23 February 1953
Strongest gust
98.3 km/h
1 January 1971
Hottest feels-like
42.4 °C
5 July 2000
Coldest feels-like
-30.9 °C
24 January 1942
Snowiest day
27.5 cm
26 November 2023
Sunniest day
14.9 h
26 June 1945
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 | 9.1 °C | +6.1 °C | 16 mm | -35 mm |
| Feb | 2.5 °C | -2.7 °C | 43 mm | -4 mm |
| Mar | 14.8 °C | +5.5 °C | 33 mm | -20 mm |
| Apr | 14.7 °C | -0.6 °C | 53 mm | -10 mm |
| May | 19.3 °C | -1.0 °C | 106 mm | +29 mm |
| Jun | 27.9 °C | +3.5 °C | 9 mm | -70 mm |
| Jul | 31.6 °C | +4.8 °C | 35 mm | -24 mm |
| Aug | 29.4 °C | +2.3 °C | 38 mm | -6 mm |
| Sep | 24.8 °C | +2.0 °C | 29 mm | -13 mm |
| Oct | 15.6 °C | -1.1 °C | 178 mm | +130 mm |
| Nov | 14.0 °C | +3.7 °C | 68 mm | +14 mm |
| Dec | 6.5 °C | +1.5 °C | 31 mm | -25 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 Preslav?
Preslav has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 671 mm of precipitation per year.
What is the hottest day ever recorded in Preslav?
The hottest day measured in Preslav between 1940 and 2025 was 20 August 1945, reaching 39.8 °C.
What is the coldest day in Preslav?
The coldest day measured in Preslav between 1940 and 2025 was 24 January 1942, at -26.1 °C.
Does it snow in Preslav?
Yes. Preslav gets on average 82.4 cm of snow per year and has around 80 frost days.
Has the climate of Preslav warmed?
Yes: Preslav warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Preslav?
The wettest day measured in Preslav between 1940 and 2025 was 20 August 1949, with 68 mm of rain in 24 hours.
What was the windiest day in Preslav?
The windiest day measured in Preslav between 1940 and 2025 was 23 February 1953, with winds reaching 42.2 km/h.
What is the warmest month in Preslav?
The warmest month in Preslav is July (21.8 °C on average); the coldest is January (-0.6 °C).
How much does it rain in Preslav?
Preslav receives on average 671 mm of precipitation per year, spread over about 108 rainy days.
Is it sunny in Preslav?
Preslav 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 Preslav?
The heaviest 24-hour snowfall measured in Preslav between 1940 and 2025 was 26 November 2023, with 27.5 cm.
Are there tropical nights in Preslav?
Yes: Preslav has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Preslav?
In Preslav, between 1940 and 2025, the highest apparent temperature reached 42.4 °C on 5 July 2000, and the lowest was -30.9 °C on 24 January 1942.
Compare Preslav with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Preslav