Biyuk-Onlar climate — normals and trends
Biyuk-Onlar (Ukraine) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.0 °C and it receives 434 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 (23.0 °C on average) and the coldest is January (-0.4 °C). Rainfall peaks in June.
Biyuk-Onlar averages 83 frost days, 26 hot days (≥ 30 °C) and 91 rainy days per year.
Biyuk-Onlar has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 96 to 70 per year over the period.
The hottest day of the period reached 39.7 °C (on 8 August 2010) and the coldest -32.2 °C (on 10 January 1940).
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
Biyuk-OnlarCrimea
- coords
- 45.29°, 34.14°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.0°C
Average daily high
15.7°C
Average daily low
6.8°C
Annual rainfall
434mm
Sunshine / day
9.1h
Mean relative humidity
73%
Average peak wind
17.8km/h
Seasonal range
23.4°C
Frost days (< 0 °C)
83 d/yr
Hot days (≥ 30 °C)
26 d/yr
Rainy days (≥ 1 mm)
91 d/yr
Annual snowfall
39.7 cm
Average feels-like high
13.4 °C
Average feels-like low
4.4 °C
Average peak gust
35.3 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
13.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
39.7 °C
8 August 2010
Coldest day
-32.2 °C
10 January 1940
Wettest day
80 mm
24 July 1952
Windiest day
53.7 km/h
11 November 2007
Strongest gust
103.7 km/h
11 November 2007
Hottest feels-like
40.8 °C
23 July 2001
Coldest feels-like
-37.2 °C
10 January 1940
Snowiest day
16.3 cm
28 March 1944
Sunniest day
15.0 h
11 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 | 9.4 °C | +6.5 °C | 12 mm | -22 mm |
| Feb | 1.3 °C | -2.7 °C | 27 mm | -3 mm |
| Mar | 14.6 °C | +6.6 °C | 10 mm | -24 mm |
| Apr | 15.3 °C | +0.1 °C | 43 mm | +5 mm |
| May | 21.2 °C | +0.1 °C | 26 mm | -23 mm |
| Jun | 27.5 °C | +2.0 °C | 44 mm | -14 mm |
| Jul | 32.4 °C | +4.0 °C | 5 mm | -34 mm |
| Aug | 29.9 °C | +1.7 °C | 1 mm | -30 mm |
| Sep | 23.0 °C | -0.1 °C | 42 mm | +17 mm |
| Oct | 16.9 °C | +0.5 °C | 29 mm | +3 mm |
| Nov | 15.9 °C | +5.8 °C | 16 mm | -17 mm |
| Dec | 5.7 °C | +0.5 °C | 28 mm | -8 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 Biyuk-Onlar?
Biyuk-Onlar has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 434 mm of precipitation per year.
What is the hottest day ever recorded in Biyuk-Onlar?
The hottest day measured in Biyuk-Onlar between 1940 and 2025 was 8 August 2010, reaching 39.7 °C.
What is the coldest day in Biyuk-Onlar?
The coldest day measured in Biyuk-Onlar between 1940 and 2025 was 10 January 1940, at -32.2 °C.
Does it snow in Biyuk-Onlar?
Yes. Biyuk-Onlar gets on average 39.7 cm of snow per year and has around 83 frost days.
Has the climate of Biyuk-Onlar warmed?
Yes: Biyuk-Onlar warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Biyuk-Onlar?
The wettest day measured in Biyuk-Onlar between 1940 and 2025 was 24 July 1952, with 80 mm of rain in 24 hours.
What was the windiest day in Biyuk-Onlar?
The windiest day measured in Biyuk-Onlar between 1940 and 2025 was 11 November 2007, with winds reaching 53.7 km/h.
What is the warmest month in Biyuk-Onlar?
The warmest month in Biyuk-Onlar is July (23.0 °C on average); the coldest is January (-0.4 °C).
How much does it rain in Biyuk-Onlar?
Biyuk-Onlar receives on average 434 mm of precipitation per year, spread over about 91 rainy days.
Is it sunny in Biyuk-Onlar?
Biyuk-Onlar gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Biyuk-Onlar?
The heaviest 24-hour snowfall measured in Biyuk-Onlar between 1940 and 2025 was 28 March 1944, with 16.3 cm.
Are there tropical nights in Biyuk-Onlar?
Yes: Biyuk-Onlar has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Biyuk-Onlar?
In Biyuk-Onlar, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 23 July 2001, and the lowest was -37.2 °C on 10 January 1940.
Compare Biyuk-Onlar with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Biyuk-Onlar