Radnevo climate — normals and trends
Radnevo (Bulgaria) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.1 °C and it receives 566 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 (24.5 °C on average) and the coldest is January (1.3 °C). Rainfall peaks in December.
Radnevo averages 63 frost days, 48 hot days (≥ 30 °C) and 88 rainy days per year.
Radnevo 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 75 to 51 per year over the period.
The hottest day of the period reached 42.3 °C (on 22 July 2025) and the coldest -24.7 °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
RadnevoStara Zagora
- coords
- 42.30°, 25.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.1°C
Average daily high
18.2°C
Average daily low
8.5°C
Annual rainfall
566mm
Sunshine / day
9.5h
Mean relative humidity
70%
Average peak wind
13.7km/h
Seasonal range
23.2°C
Frost days (< 0 °C)
63 d/yr
Hot days (≥ 30 °C)
48 d/yr
Rainy days (≥ 1 mm)
88 d/yr
Annual snowfall
42.0 cm
Average feels-like high
17.0 °C
Average feels-like low
6.8 °C
Average peak gust
28.4 km/h
Tropical nights (≥ 20 °C)
20 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
42.3 °C
22 July 2025
Coldest day
-24.7 °C
25 January 1942
Wettest day
75 mm
19 September 1983
Windiest day
46.0 km/h
1 January 1971
Strongest gust
92.2 km/h
26 February 1989
Hottest feels-like
43.8 °C
1 July 2017
Coldest feels-like
-29.6 °C
25 January 1942
Snowiest day
25.2 cm
2 January 1969
Sunniest day
14.9 h
26 June 1942
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 | 10.4 °C | +5.2 °C | 23 mm | -26 mm |
| Feb | 6.8 °C | -1.3 °C | 31 mm | -15 mm |
| Mar | 17.8 °C | +5.9 °C | 39 mm | -11 mm |
| Apr | 18.2 °C | +0.5 °C | 55 mm | -0 mm |
| May | 23.6 °C | +0.8 °C | 86 mm | +30 mm |
| Jun | 32.4 °C | +5.1 °C | 9 mm | -42 mm |
| Jul | 36.0 °C | +5.7 °C | 5 mm | -30 mm |
| Aug | 32.6 °C | +2.1 °C | 24 mm | -2 mm |
| Sep | 28.1 °C | +2.2 °C | 13 mm | -20 mm |
| Oct | 18.3 °C | -1.0 °C | 145 mm | +98 mm |
| Nov | 16.8 °C | +4.1 °C | 56 mm | +2 mm |
| Dec | 10.0 °C | +2.9 °C | 32 mm | -29 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 Radnevo?
Radnevo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 566 mm of precipitation per year.
What is the hottest day ever recorded in Radnevo?
The hottest day measured in Radnevo between 1940 and 2025 was 22 July 2025, reaching 42.3 °C.
What is the coldest day in Radnevo?
The coldest day measured in Radnevo between 1940 and 2025 was 25 January 1942, at -24.7 °C.
Does it snow in Radnevo?
Yes. Radnevo gets on average 42.0 cm of snow per year and has around 63 frost days.
Has the climate of Radnevo warmed?
Yes: Radnevo warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Radnevo?
The wettest day measured in Radnevo between 1940 and 2025 was 19 September 1983, with 75 mm of rain in 24 hours.
What was the windiest day in Radnevo?
The windiest day measured in Radnevo between 1940 and 2025 was 1 January 1971, with winds reaching 46.0 km/h.
What is the warmest month in Radnevo?
The warmest month in Radnevo is July (24.5 °C on average); the coldest is January (1.3 °C).
How much does it rain in Radnevo?
Radnevo receives on average 566 mm of precipitation per year, spread over about 88 rainy days.
Is it sunny in Radnevo?
Radnevo 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 Radnevo?
The heaviest 24-hour snowfall measured in Radnevo between 1940 and 2025 was 2 January 1969, with 25.2 cm.
Are there tropical nights in Radnevo?
Yes: Radnevo has on average 20 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Radnevo?
In Radnevo, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 1 July 2017, and the lowest was -29.6 °C on 25 January 1942.
Compare Radnevo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Radnevo