Arad climate — normals and trends
Arad (Romania) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.5 °C and it receives 643 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 (22.3 °C on average) and the coldest is January (-0.6 °C). Rainfall peaks in June.
Arad averages 74 frost days, 27 hot days (≥ 30 °C) and 112 rainy days per year.
Arad has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 85 to 63 per year over the period.
The hottest day of the period reached 40.0 °C (on 19 August 1946) and the coldest -28.2 °C (on 24 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
AradArad County
- coords
- 46.18°, 21.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.5°C
Average daily high
16.1°C
Average daily low
7.3°C
Annual rainfall
643mm
Sunshine / day
8.8h
Mean relative humidity
73%
Average peak wind
13.6km/h
Seasonal range
22.9°C
Frost days (< 0 °C)
74 d/yr
Hot days (≥ 30 °C)
27 d/yr
Rainy days (≥ 1 mm)
112 d/yr
Annual snowfall
36.9 cm
Average feels-like high
14.6 °C
Average feels-like low
5.1 °C
Average peak gust
28.3 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
13.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.20 · 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
40.0 °C
19 August 1946
Coldest day
-28.2 °C
24 January 1942
Wettest day
56 mm
13 October 2009
Windiest day
41.6 km/h
3 February 1985
Strongest gust
90.7 km/h
29 January 2007
Hottest feels-like
42.5 °C
26 July 2025
Coldest feels-like
-33.2 °C
24 January 1942
Snowiest day
17.7 cm
12 January 1966
Sunniest day
15.0 h
9 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 | 6.7 °C | +4.3 °C | 28 mm | -13 mm |
| Feb | 6.5 °C | +1.1 °C | 19 mm | -25 mm |
| Mar | 15.0 °C | +4.0 °C | 96 mm | +49 mm |
| Apr | 19.2 °C | +2.2 °C | 28 mm | -31 mm |
| May | 20.1 °C | -1.8 °C | 64 mm | -4 mm |
| Jun | 30.2 °C | +4.7 °C | 7 mm | -69 mm |
| Jul | 30.2 °C | +2.5 °C | 57 mm | -1 mm |
| Aug | 30.3 °C | +2.5 °C | 44 mm | -9 mm |
| Sep | 26.3 °C | +2.9 °C | 33 mm | -15 mm |
| Oct | 16.3 °C | -0.9 °C | 24 mm | -20 mm |
| Nov | 11.6 °C | +1.7 °C | 54 mm | -1 mm |
| Dec | 6.4 °C | +2.2 °C | 10 mm | -42 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 Arad?
Arad has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.5 °C and it receives 643 mm of precipitation per year.
What is the hottest day ever recorded in Arad?
The hottest day measured in Arad between 1940 and 2025 was 19 August 1946, reaching 40.0 °C.
What is the coldest day in Arad?
The coldest day measured in Arad between 1940 and 2025 was 24 January 1942, at -28.2 °C.
Does it snow in Arad?
Yes. Arad gets on average 36.9 cm of snow per year and has around 74 frost days.
Has the climate of Arad warmed?
Yes: Arad warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arad?
The wettest day measured in Arad between 1940 and 2025 was 13 October 2009, with 56 mm of rain in 24 hours.
What was the windiest day in Arad?
The windiest day measured in Arad between 1940 and 2025 was 3 February 1985, with winds reaching 41.6 km/h.
What is the warmest month in Arad?
The warmest month in Arad is July (22.3 °C on average); the coldest is January (-0.6 °C).
How much does it rain in Arad?
Arad receives on average 643 mm of precipitation per year, spread over about 112 rainy days.
Is it sunny in Arad?
Arad 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 Arad?
The heaviest 24-hour snowfall measured in Arad between 1940 and 2025 was 12 January 1966, with 17.7 cm.
Are there tropical nights in Arad?
Yes: Arad has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Arad?
In Arad, between 1940 and 2025, the highest apparent temperature reached 42.5 °C on 26 July 2025, and the lowest was -33.2 °C on 24 January 1942.
Compare Arad with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arad