Oţelu Roşu climate — normals and trends
Oţelu Roşu (Romania) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.2 °C and it receives 1,064 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 (19.0 °C on average) and the coldest is January (-2.0 °C). Rainfall peaks in June.
Oţelu Roşu averages 98 frost days, 6 hot days (≥ 30 °C) and 154 rainy days per year.
Oţelu Roşu has warmed by +1.8 °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 111 to 85 per year over the period.
The hottest day of the period reached 36.1 °C (on 23 July 2022) and the coldest -26.4 °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
Oţelu RoşuCaraș-Severin County
- coords
- 45.53°, 22.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.2°C
Average daily high
13.7°C
Average daily low
5.1°C
Annual rainfall
1,064mm
Sunshine / day
8.8h
Mean relative humidity
77%
Average peak wind
11.2km/h
Seasonal range
21.0°C
Frost days (< 0 °C)
98 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
154 d/yr
Annual snowfall
117.3 cm
Average feels-like high
12.2 °C
Average feels-like low
2.8 °C
Average peak gust
28.9 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
36.1 °C
23 July 2022
Coldest day
-26.4 °C
13 February 2004
Wettest day
79 mm
12 August 1974
Windiest day
33.1 km/h
3 February 1985
Strongest gust
92.5 km/h
22 November 2024
Hottest feels-like
38.9 °C
6 July 1988
Coldest feels-like
-31.2 °C
13 February 2004
Snowiest day
19.1 cm
13 December 1981
Sunniest day
15.0 h
15 July 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 | 6.1 °C | +4.7 °C | 38 mm | -32 mm |
| Feb | 4.7 °C | +1.0 °C | 23 mm | -47 mm |
| Mar | 13.3 °C | +4.7 °C | 93 mm | +19 mm |
| Apr | 15.7 °C | +1.5 °C | 60 mm | -39 mm |
| May | 16.5 °C | -2.2 °C | 165 mm | +47 mm |
| Jun | 26.0 °C | +4.1 °C | 12 mm | -122 mm |
| Jul | 26.3 °C | +2.3 °C | 107 mm | -6 mm |
| Aug | 26.2 °C | +1.9 °C | 70 mm | -22 mm |
| Sep | 22.8 °C | +2.4 °C | 38 mm | -33 mm |
| Oct | 12.8 °C | -2.3 °C | 94 mm | +28 mm |
| Nov | 10.6 °C | +2.0 °C | 80 mm | +5 mm |
| Dec | 5.4 °C | +2.2 °C | 20 mm | -61 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 Oţelu Roşu?
Oţelu Roşu has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.2 °C and it receives 1,064 mm of precipitation per year.
What is the hottest day ever recorded in Oţelu Roşu?
The hottest day measured in Oţelu Roşu between 1940 and 2025 was 23 July 2022, reaching 36.1 °C.
What is the coldest day in Oţelu Roşu?
The coldest day measured in Oţelu Roşu between 1940 and 2025 was 13 February 2004, at -26.4 °C.
Does it snow in Oţelu Roşu?
Yes. Oţelu Roşu gets on average 117.3 cm of snow per year and has around 98 frost days.
Has the climate of Oţelu Roşu warmed?
Yes: Oţelu Roşu warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oţelu Roşu?
The wettest day measured in Oţelu Roşu between 1940 and 2025 was 12 August 1974, with 79 mm of rain in 24 hours.
What was the windiest day in Oţelu Roşu?
The windiest day measured in Oţelu Roşu between 1940 and 2025 was 3 February 1985, with winds reaching 33.1 km/h.
What is the warmest month in Oţelu Roşu?
The warmest month in Oţelu Roşu is July (19.0 °C on average); the coldest is January (-2.0 °C).
How much does it rain in Oţelu Roşu?
Oţelu Roşu receives on average 1,064 mm of precipitation per year, spread over about 154 rainy days.
Is it sunny in Oţelu Roşu?
Oţelu Roşu gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Oţelu Roşu?
The heaviest 24-hour snowfall measured in Oţelu Roşu between 1940 and 2025 was 13 December 1981, with 19.1 cm.
Are there tropical nights in Oţelu Roşu?
Yes: Oţelu Roşu has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Oţelu Roşu?
In Oţelu Roşu, between 1940 and 2025, the highest apparent temperature reached 38.9 °C on 6 July 1988, and the lowest was -31.2 °C on 13 February 2004.
Compare Oţelu Roşu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Oţelu Roşu