Alba Iulia climate — normals and trends
Alba Iulia (Romania) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.3 °C and it receives 788 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 (19.4 °C on average) and the coldest is January (-2.1 °C). Rainfall peaks in June.
Alba Iulia averages 96 frost days, 8 hot days (≥ 30 °C) and 145 rainy days per year.
Alba Iulia has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 112 to 80 per year over the period.
The hottest day of the period reached 37.2 °C (on 26 July 2025) and the coldest -28.0 °C (on 24 January 1963).
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
Alba IuliaAlba County
- coords
- 46.07°, 23.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.3°C
Average daily high
13.8°C
Average daily low
5.3°C
Annual rainfall
788mm
Sunshine / day
8.9h
Mean relative humidity
76%
Average peak wind
11.1km/h
Seasonal range
21.5°C
Frost days (< 0 °C)
96 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
76.3 cm
Average feels-like high
12.3 °C
Average feels-like low
3.2 °C
Average peak gust
29.2 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
+2.2 °C
since 1940
+0.3 °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
37.2 °C
26 July 2025
Coldest day
-28.0 °C
24 January 1963
Wettest day
96 mm
2 July 1975
Windiest day
35.7 km/h
7 March 1983
Strongest gust
91.1 km/h
19 January 2007
Hottest feels-like
38.8 °C
21 July 1987
Coldest feels-like
-32.2 °C
24 January 1963
Snowiest day
19.7 cm
10 February 1984
Sunniest day
15.0 h
10 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 | 6.2 °C | +5.1 °C | 19 mm | -21 mm |
| Feb | 4.5 °C | +0.9 °C | 20 mm | -22 mm |
| Mar | 13.7 °C | +5.0 °C | 64 mm | +13 mm |
| Apr | 16.2 °C | +1.6 °C | 93 mm | +13 mm |
| May | 16.9 °C | -2.3 °C | 125 mm | +28 mm |
| Jun | 27.4 °C | +4.9 °C | 35 mm | -74 mm |
| Jul | 28.1 °C | +3.5 °C | 106 mm | +11 mm |
| Aug | 27.0 °C | +2.2 °C | 113 mm | +39 mm |
| Sep | 22.5 °C | +1.9 °C | 41 mm | -15 mm |
| Oct | 12.4 °C | -2.4 °C | 74 mm | +26 mm |
| Nov | 11.0 °C | +2.9 °C | 62 mm | +13 mm |
| Dec | 5.3 °C | +2.5 °C | 10 mm | -38 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 Alba Iulia?
Alba Iulia has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.3 °C and it receives 788 mm of precipitation per year.
What is the hottest day ever recorded in Alba Iulia?
The hottest day measured in Alba Iulia between 1940 and 2025 was 26 July 2025, reaching 37.2 °C.
What is the coldest day in Alba Iulia?
The coldest day measured in Alba Iulia between 1940 and 2025 was 24 January 1963, at -28.0 °C.
Does it snow in Alba Iulia?
Yes. Alba Iulia gets on average 76.3 cm of snow per year and has around 96 frost days.
Has the climate of Alba Iulia warmed?
Yes: Alba Iulia warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alba Iulia?
The wettest day measured in Alba Iulia between 1940 and 2025 was 2 July 1975, with 96 mm of rain in 24 hours.
What was the windiest day in Alba Iulia?
The windiest day measured in Alba Iulia between 1940 and 2025 was 7 March 1983, with winds reaching 35.7 km/h.
What is the warmest month in Alba Iulia?
The warmest month in Alba Iulia is July (19.4 °C on average); the coldest is January (-2.1 °C).
How much does it rain in Alba Iulia?
Alba Iulia receives on average 788 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Alba Iulia?
Alba Iulia gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Alba Iulia?
The heaviest 24-hour snowfall measured in Alba Iulia between 1940 and 2025 was 10 February 1984, with 19.7 cm.
Are there tropical nights in Alba Iulia?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Alba Iulia.
What was the most extreme apparent temperature in Alba Iulia?
In Alba Iulia, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 21 July 1987, and the lowest was -32.2 °C on 24 January 1963.
Compare Alba Iulia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alba Iulia