Şirna climate — normals and trends
Şirna (Romania) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.2 °C and it receives 659 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 (22.7 °C on average) and the coldest is January (-1.7 °C). Rainfall peaks in June.
Şirna averages 89 frost days, 27 hot days (≥ 30 °C) and 102 rainy days per year.
Şirna 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 104 to 74 per year over the period.
The hottest day of the period reached 39.7 °C (on 5 July 2000) and the coldest -29.3 °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
ŞirnaPrahova
- coords
- 44.80°, 25.95°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.2°C
Average daily high
16.0°C
Average daily low
6.8°C
Annual rainfall
659mm
Sunshine / day
9.1h
Mean relative humidity
75%
Average peak wind
13.5km/h
Seasonal range
24.4°C
Frost days (< 0 °C)
89 d/yr
Hot days (≥ 30 °C)
27 d/yr
Rainy days (≥ 1 mm)
102 d/yr
Annual snowfall
52.8 cm
Average feels-like high
14.6 °C
Average feels-like low
4.6 °C
Average peak gust
28.1 km/h
Tropical nights (≥ 20 °C)
9 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.35 · 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
39.7 °C
5 July 2000
Coldest day
-29.3 °C
25 January 1942
Wettest day
65 mm
3 July 2017
Windiest day
41.1 km/h
8 December 1945
Strongest gust
81.0 km/h
5 November 1995
Hottest feels-like
42.5 °C
21 July 1987
Coldest feels-like
-34.6 °C
25 January 1942
Snowiest day
18.8 cm
5 March 1971
Sunniest day
15.0 h
23 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 | 9.5 °C | +7.7 °C | 8 mm | -34 mm |
| Feb | 2.4 °C | -2.3 °C | 23 mm | -15 mm |
| Mar | 15.6 °C | +5.5 °C | 39 mm | -5 mm |
| Apr | 18.0 °C | +1.2 °C | 27 mm | -35 mm |
| May | 20.6 °C | -1.5 °C | 151 mm | +73 mm |
| Jun | 29.1 °C | +3.1 °C | 17 mm | -68 mm |
| Jul | 31.9 °C | +3.7 °C | 59 mm | -12 mm |
| Aug | 30.2 °C | +2.0 °C | 22 mm | -29 mm |
| Sep | 25.6 °C | +2.0 °C | 21 mm | -26 mm |
| Oct | 16.0 °C | -0.9 °C | 124 mm | +78 mm |
| Nov | 11.9 °C | +2.4 °C | 112 mm | +63 mm |
| Dec | 6.2 °C | +2.4 °C | 12 mm | -35 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 Şirna?
Şirna has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.2 °C and it receives 659 mm of precipitation per year.
What is the hottest day ever recorded in Şirna?
The hottest day measured in Şirna between 1940 and 2025 was 5 July 2000, reaching 39.7 °C.
What is the coldest day in Şirna?
The coldest day measured in Şirna between 1940 and 2025 was 25 January 1942, at -29.3 °C.
Does it snow in Şirna?
Yes. Şirna gets on average 52.8 cm of snow per year and has around 89 frost days.
Has the climate of Şirna warmed?
Yes: Şirna warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Şirna?
The wettest day measured in Şirna between 1940 and 2025 was 3 July 2017, with 65 mm of rain in 24 hours.
What was the windiest day in Şirna?
The windiest day measured in Şirna between 1940 and 2025 was 8 December 1945, with winds reaching 41.1 km/h.
What is the warmest month in Şirna?
The warmest month in Şirna is July (22.7 °C on average); the coldest is January (-1.7 °C).
How much does it rain in Şirna?
Şirna receives on average 659 mm of precipitation per year, spread over about 102 rainy days.
Is it sunny in Şirna?
Şirna 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 Şirna?
The heaviest 24-hour snowfall measured in Şirna between 1940 and 2025 was 5 March 1971, with 18.8 cm.
Are there tropical nights in Şirna?
Yes: Şirna has on average 9 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Şirna?
In Şirna, between 1940 and 2025, the highest apparent temperature reached 42.5 °C on 21 July 1987, and the lowest was -34.6 °C on 25 January 1942.
Compare Şirna with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Şirna