Baciu climate — normals and trends
Baciu (Romania) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.0 °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 (18.4 °C on average) and the coldest is January (-4.0 °C). Rainfall peaks in June.
Baciu averages 123 frost days, 4 hot days (≥ 30 °C) and 142 rainy days per year.
Baciu has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 137 to 109 per year over the period.
The hottest day of the period reached 35.7 °C (on 25 August 2012) and the coldest -27.4 °C (on 3 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
BaciuCluj County
- coords
- 46.80°, 23.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.0°C
Average daily high
12.7°C
Average daily low
3.6°C
Annual rainfall
788mm
Sunshine / day
8.9h
Mean relative humidity
78%
Average peak wind
11.7km/h
Seasonal range
22.4°C
Frost days (< 0 °C)
123 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
72.2 cm
Average feels-like high
11.0 °C
Average feels-like low
1.1 °C
Average peak gust
28.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.51 · 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
35.7 °C
25 August 2012
Coldest day
-27.4 °C
3 January 1942
Wettest day
66 mm
21 July 2001
Windiest day
39.7 km/h
18 February 1946
Strongest gust
96.8 km/h
18 February 1946
Hottest feels-like
39.2 °C
6 July 1988
Coldest feels-like
-32.3 °C
3 January 1942
Snowiest day
18.6 cm
13 December 1981
Sunniest day
15.0 h
3 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 | 4.1 °C | +4.6 °C | 25 mm | -10 mm |
| Feb | 3.4 °C | +1.4 °C | 18 mm | -21 mm |
| Mar | 12.5 °C | +5.0 °C | 93 mm | +45 mm |
| Apr | 15.0 °C | +1.3 °C | 56 mm | -20 mm |
| May | 15.6 °C | -2.8 °C | 148 mm | +50 mm |
| Jun | 25.3 °C | +3.7 °C | 22 mm | -89 mm |
| Jul | 25.4 °C | +1.8 °C | 148 mm | +49 mm |
| Aug | 25.2 °C | +1.5 °C | 83 mm | +1 mm |
| Sep | 21.2 °C | +1.6 °C | 81 mm | +21 mm |
| Oct | 11.9 °C | -1.9 °C | 64 mm | +16 mm |
| Nov | 9.7 °C | +2.7 °C | 62 mm | +14 mm |
| Dec | 4.4 °C | +3.0 °C | 8 mm | -36 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 Baciu?
Baciu has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.0 °C and it receives 788 mm of precipitation per year.
What is the hottest day ever recorded in Baciu?
The hottest day measured in Baciu between 1940 and 2025 was 25 August 2012, reaching 35.7 °C.
What is the coldest day in Baciu?
The coldest day measured in Baciu between 1940 and 2025 was 3 January 1942, at -27.4 °C.
Does it snow in Baciu?
Yes. Baciu gets on average 72.2 cm of snow per year and has around 123 frost days.
Has the climate of Baciu warmed?
Yes: Baciu warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Baciu?
The wettest day measured in Baciu between 1940 and 2025 was 21 July 2001, with 66 mm of rain in 24 hours.
What was the windiest day in Baciu?
The windiest day measured in Baciu between 1940 and 2025 was 18 February 1946, with winds reaching 39.7 km/h.
What is the warmest month in Baciu?
The warmest month in Baciu is July (18.4 °C on average); the coldest is January (-4.0 °C).
How much does it rain in Baciu?
Baciu receives on average 788 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Baciu?
Baciu 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 Baciu?
The heaviest 24-hour snowfall measured in Baciu between 1940 and 2025 was 13 December 1981, with 18.6 cm.
Are there tropical nights in Baciu?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Baciu.
What was the most extreme apparent temperature in Baciu?
In Baciu, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 6 July 1988, and the lowest was -32.3 °C on 3 January 1942.
Compare Baciu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Baciu