Nova Zagora climate — normals and trends
Nova Zagora (Bulgaria) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.3 °C and it receives 567 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 (23.3 °C on average) and the coldest is January (0.7 °C). Rainfall peaks in May.
Nova Zagora averages 69 frost days, 33 hot days (≥ 30 °C) and 95 rainy days per year.
Nova Zagora 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 83 to 55 per year over the period.
The hottest day of the period reached 41.5 °C (on 22 July 2025) and the coldest -25.4 °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
Nova ZagoraSliven
- coords
- 42.48°, 26.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.3°C
Average daily high
17.2°C
Average daily low
7.8°C
Annual rainfall
567mm
Sunshine / day
9.4h
Mean relative humidity
72%
Average peak wind
11.8km/h
Seasonal range
22.6°C
Frost days (< 0 °C)
69 d/yr
Hot days (≥ 30 °C)
33 d/yr
Rainy days (≥ 1 mm)
95 d/yr
Annual snowfall
45.1 cm
Average feels-like high
16.1 °C
Average feels-like low
6.3 °C
Average peak gust
28.4 km/h
Tropical nights (≥ 20 °C)
10 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 = 0.44 · 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
41.5 °C
22 July 2025
Coldest day
-25.4 °C
25 January 1942
Wettest day
61 mm
27 October 1941
Windiest day
38.4 km/h
29 March 1940
Strongest gust
99.4 km/h
1 January 1971
Hottest feels-like
42.6 °C
5 July 2000
Coldest feels-like
-29.7 °C
24 January 1942
Snowiest day
25.0 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 | 9.6 °C | +5.1 °C | 19 mm | -28 mm |
| Feb | 5.7 °C | -1.4 °C | 31 mm | -14 mm |
| Mar | 16.8 °C | +5.9 °C | 31 mm | -18 mm |
| Apr | 17.2 °C | +0.5 °C | 60 mm | +4 mm |
| May | 22.4 °C | +0.7 °C | 76 mm | +13 mm |
| Jun | 31.2 °C | +5.1 °C | 16 mm | -38 mm |
| Jul | 34.8 °C | +5.9 °C | 11 mm | -26 mm |
| Aug | 31.8 °C | +2.6 °C | 28 mm | +2 mm |
| Sep | 27.2 °C | +2.4 °C | 15 mm | -15 mm |
| Oct | 17.2 °C | -1.1 °C | 149 mm | +103 mm |
| Nov | 15.5 °C | +3.9 °C | 71 mm | +16 mm |
| Dec | 9.1 °C | +2.8 °C | 34 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 Nova Zagora?
Nova Zagora has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.3 °C and it receives 567 mm of precipitation per year.
What is the hottest day ever recorded in Nova Zagora?
The hottest day measured in Nova Zagora between 1940 and 2025 was 22 July 2025, reaching 41.5 °C.
What is the coldest day in Nova Zagora?
The coldest day measured in Nova Zagora between 1940 and 2025 was 25 January 1942, at -25.4 °C.
Does it snow in Nova Zagora?
Yes. Nova Zagora gets on average 45.1 cm of snow per year and has around 69 frost days.
Has the climate of Nova Zagora warmed?
Yes: Nova Zagora warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nova Zagora?
The wettest day measured in Nova Zagora between 1940 and 2025 was 27 October 1941, with 61 mm of rain in 24 hours.
What was the windiest day in Nova Zagora?
The windiest day measured in Nova Zagora between 1940 and 2025 was 29 March 1940, with winds reaching 38.4 km/h.
What is the warmest month in Nova Zagora?
The warmest month in Nova Zagora is July (23.3 °C on average); the coldest is January (0.7 °C).
How much does it rain in Nova Zagora?
Nova Zagora receives on average 567 mm of precipitation per year, spread over about 95 rainy days.
Is it sunny in Nova Zagora?
Nova Zagora 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 Nova Zagora?
The heaviest 24-hour snowfall measured in Nova Zagora between 1940 and 2025 was 2 January 1969, with 25.0 cm.
Are there tropical nights in Nova Zagora?
Yes: Nova Zagora has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nova Zagora?
In Nova Zagora, between 1940 and 2025, the highest apparent temperature reached 42.6 °C on 5 July 2000, and the lowest was -29.7 °C on 24 January 1942.
Compare Nova Zagora with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nova Zagora