Viziru climate — normals and trends
Viziru (Romania) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.8 °C and it receives 518 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 (23.8 °C on average) and the coldest is January (-1.1 °C). Rainfall peaks in June.
Viziru averages 78 frost days, 34 hot days (≥ 30 °C) and 87 rainy days per year.
Viziru has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 95 to 61 per year over the period.
The hottest day of the period reached 41.3 °C (on 10 August 1945) and the coldest -28.5 °C (on 25 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
ViziruBrăila County
- coords
- 45.02°, 27.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.8°C
Average daily high
16.4°C
Average daily low
7.7°C
Annual rainfall
518mm
Sunshine / day
9.0h
Mean relative humidity
72%
Average peak wind
16.2km/h
Seasonal range
24.9°C
Frost days (< 0 °C)
78 d/yr
Hot days (≥ 30 °C)
34 d/yr
Rainy days (≥ 1 mm)
87 d/yr
Annual snowfall
41.3 cm
Average feels-like high
14.7 °C
Average feels-like low
5.5 °C
Average peak gust
32.0 km/h
Tropical nights (≥ 20 °C)
20 d/yr
Solar radiation
13.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.32 · 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
41.3 °C
10 August 1945
Coldest day
-28.5 °C
25 January 1942
Wettest day
95 mm
4 October 1998
Windiest day
44.8 km/h
5 January 1966
Strongest gust
92.2 km/h
6 February 2020
Hottest feels-like
43.1 °C
5 July 2000
Coldest feels-like
-33.6 °C
25 January 1942
Snowiest day
24.8 cm
12 March 1973
Sunniest day
15.0 h
20 June 2022
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 | 9.2 °C | +7.0 °C | 14 mm | -22 mm |
| Feb | 3.6 °C | -1.1 °C | 10 mm | -22 mm |
| Mar | 16.1 °C | +6.1 °C | 25 mm | -13 mm |
| Apr | 17.8 °C | +1.0 °C | 19 mm | -28 mm |
| May | 20.8 °C | -1.7 °C | 99 mm | +41 mm |
| Jun | 29.7 °C | +3.1 °C | 4 mm | -60 mm |
| Jul | 32.5 °C | +3.6 °C | 54 mm | +5 mm |
| Aug | 31.1 °C | +2.3 °C | 3 mm | -35 mm |
| Sep | 25.6 °C | +1.5 °C | 41 mm | +3 mm |
| Oct | 16.4 °C | -1.0 °C | 105 mm | +67 mm |
| Nov | 13.1 °C | +2.9 °C | 93 mm | +51 mm |
| Dec | 6.3 °C | +2.0 °C | 9 mm | -31 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 Viziru?
Viziru has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.8 °C and it receives 518 mm of precipitation per year.
What is the hottest day ever recorded in Viziru?
The hottest day measured in Viziru between 1940 and 2025 was 10 August 1945, reaching 41.3 °C.
What is the coldest day in Viziru?
The coldest day measured in Viziru between 1940 and 2025 was 25 January 1942, at -28.5 °C.
Does it snow in Viziru?
Yes. Viziru gets on average 41.3 cm of snow per year and has around 78 frost days.
Has the climate of Viziru warmed?
Yes: Viziru warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Viziru?
The wettest day measured in Viziru between 1940 and 2025 was 4 October 1998, with 95 mm of rain in 24 hours.
What was the windiest day in Viziru?
The windiest day measured in Viziru between 1940 and 2025 was 5 January 1966, with winds reaching 44.8 km/h.
What is the warmest month in Viziru?
The warmest month in Viziru is July (23.8 °C on average); the coldest is January (-1.1 °C).
How much does it rain in Viziru?
Viziru receives on average 518 mm of precipitation per year, spread over about 87 rainy days.
Is it sunny in Viziru?
Viziru gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Viziru?
The heaviest 24-hour snowfall measured in Viziru between 1940 and 2025 was 12 March 1973, with 24.8 cm.
Are there tropical nights in Viziru?
Yes: Viziru has on average 20 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Viziru?
In Viziru, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 5 July 2000, and the lowest was -33.6 °C on 25 January 1942.
Compare Viziru with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Viziru