Lozen climate — normals and trends
Lozen (Bulgaria) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.2 °C and it receives 822 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 (18.3 °C on average) and the coldest is January (-2.9 °C). Rainfall peaks in June.
Lozen averages 118 frost days, 3 hot days (≥ 30 °C) and 139 rainy days per year.
Lozen 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 131 to 105 per year over the period.
The hottest day of the period reached 36.4 °C (on 24 July 2007) and the coldest -28.1 °C (on 13 January 1950).
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
LozenSofia-Capital
- coords
- 42.60°, 23.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.2°C
Average daily high
13.3°C
Average daily low
3.7°C
Annual rainfall
822mm
Sunshine / day
9.6h
Mean relative humidity
75%
Average peak wind
9.8km/h
Seasonal range
21.2°C
Frost days (< 0 °C)
118 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
123.3 cm
Average feels-like high
11.7 °C
Average feels-like low
1.3 °C
Average peak gust
30.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
14.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.52 · 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
36.4 °C
24 July 2007
Coldest day
-28.1 °C
13 January 1950
Wettest day
58 mm
19 August 1949
Windiest day
29.8 km/h
2 April 1944
Strongest gust
94.0 km/h
28 January 2008
Hottest feels-like
37.3 °C
24 July 2007
Coldest feels-like
-32.7 °C
24 January 1942
Snowiest day
23.9 cm
14 March 1956
Sunniest day
15.0 h
11 June 1941
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 | 6.2 °C | +4.8 °C | 32 mm | -17 mm |
| Feb | 3.8 °C | 0.0 °C | 19 mm | -28 mm |
| Mar | 13.5 °C | +5.7 °C | 61 mm | -3 mm |
| Apr | 13.8 °C | +0.5 °C | 92 mm | +8 mm |
| May | 17.2 °C | -0.6 °C | 120 mm | +12 mm |
| Jun | 25.8 °C | +4.4 °C | 19 mm | -92 mm |
| Jul | 28.2 °C | +4.6 °C | 45 mm | -40 mm |
| Aug | 25.9 °C | +2.0 °C | 51 mm | -11 mm |
| Sep | 22.9 °C | +2.8 °C | 23 mm | -27 mm |
| Oct | 12.6 °C | -2.0 °C | 155 mm | +105 mm |
| Nov | 11.2 °C | +2.7 °C | 79 mm | +24 mm |
| Dec | 5.2 °C | +2.1 °C | 50 mm | -7 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 Lozen?
Lozen has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.2 °C and it receives 822 mm of precipitation per year.
What is the hottest day ever recorded in Lozen?
The hottest day measured in Lozen between 1940 and 2025 was 24 July 2007, reaching 36.4 °C.
What is the coldest day in Lozen?
The coldest day measured in Lozen between 1940 and 2025 was 13 January 1950, at -28.1 °C.
Does it snow in Lozen?
Yes. Lozen gets on average 123.3 cm of snow per year and has around 118 frost days.
Has the climate of Lozen warmed?
Yes: Lozen warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lozen?
The wettest day measured in Lozen between 1940 and 2025 was 19 August 1949, with 58 mm of rain in 24 hours.
What was the windiest day in Lozen?
The windiest day measured in Lozen between 1940 and 2025 was 2 April 1944, with winds reaching 29.8 km/h.
What is the warmest month in Lozen?
The warmest month in Lozen is July (18.3 °C on average); the coldest is January (-2.9 °C).
How much does it rain in Lozen?
Lozen receives on average 822 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Lozen?
Lozen gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lozen?
The heaviest 24-hour snowfall measured in Lozen between 1940 and 2025 was 14 March 1956, with 23.9 cm.
Are there tropical nights in Lozen?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Lozen.
What was the most extreme apparent temperature in Lozen?
In Lozen, between 1940 and 2025, the highest apparent temperature reached 37.3 °C on 24 July 2007, and the lowest was -32.7 °C on 24 January 1942.
Compare Lozen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lozen