Covasna climate — normals and trends
Covasna (Romania) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.0 °C and it receives 774 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 (16.5 °C on average) and the coldest is January (-5.5 °C). Rainfall peaks in June.
Covasna averages 145 frost days, 1 hot days (≥ 30 °C) and 132 rainy days per year.
Covasna has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 160 to 130 per year over the period.
The hottest day of the period reached 33.3 °C (on 24 July 2007) and the coldest -30.2 °C (on 4 February 1956).
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
CovasnaCovasna County
- coords
- 45.85°, 26.18°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.0°C
Average daily high
10.4°C
Average daily low
2.1°C
Annual rainfall
774mm
Sunshine / day
9.1h
Mean relative humidity
81%
Average peak wind
13.8km/h
Seasonal range
22.0°C
Frost days (< 0 °C)
145 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
124.8 cm
Average feels-like high
8.0 °C
Average feels-like low
-0.8 °C
Average peak gust
35.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °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
33.3 °C
24 July 2007
Coldest day
-30.2 °C
4 February 1956
Wettest day
99 mm
13 July 2000
Windiest day
39.6 km/h
3 November 1981
Strongest gust
118.4 km/h
26 November 1964
Hottest feels-like
34.3 °C
21 July 1987
Coldest feels-like
-35.5 °C
4 February 1956
Snowiest day
35.9 cm
15 April 1996
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 | 4.4 °C | +6.6 °C | 8 mm | -28 mm |
| Feb | 0.0 °C | +0.3 °C | 23 mm | -14 mm |
| Mar | 10.5 °C | +6.2 °C | 72 mm | +26 mm |
| Apr | 12.1 °C | +1.4 °C | 50 mm | -25 mm |
| May | 14.1 °C | -1.8 °C | 177 mm | +70 mm |
| Jun | 23.0 °C | +3.6 °C | 26 mm | -90 mm |
| Jul | 25.3 °C | +4.0 °C | 117 mm | +15 mm |
| Aug | 24.2 °C | +2.7 °C | 26 mm | -53 mm |
| Sep | 19.5 °C | +2.2 °C | 46 mm | -7 mm |
| Oct | 9.8 °C | -1.7 °C | 104 mm | +61 mm |
| Nov | 8.8 °C | +3.8 °C | 70 mm | +29 mm |
| Dec | 2.0 °C | +2.2 °C | 17 mm | -22 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 Covasna?
Covasna has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.0 °C and it receives 774 mm of precipitation per year.
What is the hottest day ever recorded in Covasna?
The hottest day measured in Covasna between 1940 and 2025 was 24 July 2007, reaching 33.3 °C.
What is the coldest day in Covasna?
The coldest day measured in Covasna between 1940 and 2025 was 4 February 1956, at -30.2 °C.
Does it snow in Covasna?
Yes. Covasna gets on average 124.8 cm of snow per year and has around 145 frost days.
Has the climate of Covasna warmed?
Yes: Covasna warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Covasna?
The wettest day measured in Covasna between 1940 and 2025 was 13 July 2000, with 99 mm of rain in 24 hours.
What was the windiest day in Covasna?
The windiest day measured in Covasna between 1940 and 2025 was 3 November 1981, with winds reaching 39.6 km/h.
What is the warmest month in Covasna?
The warmest month in Covasna is July (16.5 °C on average); the coldest is January (-5.5 °C).
How much does it rain in Covasna?
Covasna receives on average 774 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Covasna?
Covasna gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Covasna?
The heaviest 24-hour snowfall measured in Covasna between 1940 and 2025 was 15 April 1996, with 35.9 cm.
Are there tropical nights in Covasna?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Covasna.
What was the most extreme apparent temperature in Covasna?
In Covasna, between 1940 and 2025, the highest apparent temperature reached 34.3 °C on 21 July 1987, and the lowest was -35.5 °C on 4 February 1956.
Compare Covasna with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Covasna