Petrila climate — normals and trends
Petrila (Romania) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.4 °C and it receives 1,250 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 (15.1 °C on average) and the coldest is January (-5.3 °C). Rainfall peaks in June.
Petrila averages 149 frost days, 0 hot days (≥ 30 °C) and 184 rainy days per year.
Petrila has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 163 to 135 per year over the period.
The hottest day of the period reached 30.9 °C (on 6 July 1988) and the coldest -27.4 °C (on 13 February 2004).
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
PetrilaHunedoara County
- coords
- 45.45°, 23.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.4°C
Average daily high
9.5°C
Average daily low
1.6°C
Annual rainfall
1,250mm
Sunshine / day
9.2h
Mean relative humidity
81%
Average peak wind
9.1km/h
Seasonal range
20.4°C
Frost days (< 0 °C)
149 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
184 d/yr
Annual snowfall
197.6 cm
Average feels-like high
7.6 °C
Average feels-like low
-0.8 °C
Average peak gust
32.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
30.9 °C
6 July 1988
Coldest day
-27.4 °C
13 February 2004
Wettest day
85 mm
21 June 1979
Windiest day
28.6 km/h
17 January 1992
Strongest gust
104.4 km/h
18 February 1946
Hottest feels-like
34.0 °C
6 July 1988
Coldest feels-like
-32.4 °C
13 February 2004
Snowiest day
25.6 cm
15 March 1962
Sunniest day
15.0 h
24 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 3.1 °C | +5.1 °C | 27 mm | -31 mm |
| Feb | 0.0 °C | +0.4 °C | 19 mm | -42 mm |
| Mar | 9.2 °C | +5.7 °C | 117 mm | +45 mm |
| Apr | 10.9 °C | +1.6 °C | 134 mm | +17 mm |
| May | 12.1 °C | -2.4 °C | 165 mm | -10 mm |
| Jun | 21.6 °C | +3.8 °C | 49 mm | -136 mm |
| Jul | 22.3 °C | +2.4 °C | 120 mm | -43 mm |
| Aug | 21.8 °C | +1.7 °C | 113 mm | -16 mm |
| Sep | 17.9 °C | +1.6 °C | 52 mm | -34 mm |
| Oct | 8.4 °C | -2.7 °C | 101 mm | +33 mm |
| Nov | 7.2 °C | +2.5 °C | 120 mm | +50 mm |
| Dec | 2.6 °C | +2.8 °C | 26 mm | -43 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 Petrila?
Petrila has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.4 °C and it receives 1,250 mm of precipitation per year.
What is the hottest day ever recorded in Petrila?
The hottest day measured in Petrila between 1940 and 2025 was 6 July 1988, reaching 30.9 °C.
What is the coldest day in Petrila?
The coldest day measured in Petrila between 1940 and 2025 was 13 February 2004, at -27.4 °C.
Does it snow in Petrila?
Yes. Petrila gets on average 197.6 cm of snow per year and has around 149 frost days.
Has the climate of Petrila warmed?
Yes: Petrila warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Petrila?
The wettest day measured in Petrila between 1940 and 2025 was 21 June 1979, with 85 mm of rain in 24 hours.
What was the windiest day in Petrila?
The windiest day measured in Petrila between 1940 and 2025 was 17 January 1992, with winds reaching 28.6 km/h.
What is the warmest month in Petrila?
The warmest month in Petrila is July (15.1 °C on average); the coldest is January (-5.3 °C).
How much does it rain in Petrila?
Petrila receives on average 1,250 mm of precipitation per year, spread over about 184 rainy days.
Is it sunny in Petrila?
Petrila gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Petrila?
The heaviest 24-hour snowfall measured in Petrila between 1940 and 2025 was 15 March 1962, with 25.6 cm.
Are there tropical nights in Petrila?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Petrila.
What was the most extreme apparent temperature in Petrila?
In Petrila, between 1940 and 2025, the highest apparent temperature reached 34.0 °C on 6 July 1988, and the lowest was -32.4 °C on 13 February 2004.
Compare Petrila with another city
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Nearby cities
The climate around Petrila