Dymer climate — normals and trends
Dymer (Ukraine) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.9 °C and it receives 618 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 (20.1 °C on average) and the coldest is January (-5.1 °C). Rainfall peaks in July.
Dymer averages 113 frost days, 5 hot days (≥ 30 °C) and 118 rainy days per year.
Dymer has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 136 to 90 per year over the period.
The hottest day of the period reached 36.3 °C (on 8 August 2010) and the coldest -35.7 °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
DymerKyiv Oblast
- coords
- 50.79°, 30.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.9°C
Average daily high
11.0°C
Average daily low
4.7°C
Annual rainfall
618mm
Sunshine / day
7.3h
Mean relative humidity
78%
Average peak wind
18.3km/h
Seasonal range
25.2°C
Frost days (< 0 °C)
113 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
118 d/yr
Annual snowfall
83.7 cm
Average feels-like high
8.4 °C
Average feels-like low
1.6 °C
Average peak gust
33.1 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
11.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.50 · 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
36.3 °C
8 August 2010
Coldest day
-35.7 °C
10 January 1940
Wettest day
64 mm
20 August 1949
Windiest day
57.9 km/h
22 February 1953
Strongest gust
93.2 km/h
30 September 1995
Hottest feels-like
38.0 °C
13 July 2024
Coldest feels-like
-40.9 °C
11 January 1940
Snowiest day
21.4 cm
27 January 2005
Sunniest day
16.0 h
7 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 | 3.7 °C | +6.5 °C | 21 mm | -16 mm |
| Feb | -0.8 °C | +0.8 °C | 11 mm | -26 mm |
| Mar | 10.7 °C | +7.3 °C | 32 mm | -5 mm |
| Apr | 15.1 °C | +3.3 °C | 47 mm | +0 mm |
| May | 17.1 °C | -1.7 °C | 88 mm | +30 mm |
| Jun | 22.6 °C | +0.2 °C | 65 mm | -5 mm |
| Jul | 26.1 °C | +2.1 °C | 96 mm | +12 mm |
| Aug | 24.3 °C | +0.9 °C | 45 mm | -19 mm |
| Sep | 21.3 °C | +3.1 °C | 28 mm | -22 mm |
| Oct | 10.9 °C | -0.3 °C | 76 mm | +31 mm |
| Nov | 8.0 °C | +3.9 °C | 31 mm | -16 mm |
| Dec | 2.6 °C | +3.0 °C | 39 mm | -4 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 Dymer?
Dymer has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.9 °C and it receives 618 mm of precipitation per year.
What is the hottest day ever recorded in Dymer?
The hottest day measured in Dymer between 1940 and 2025 was 8 August 2010, reaching 36.3 °C.
What is the coldest day in Dymer?
The coldest day measured in Dymer between 1940 and 2025 was 10 January 1940, at -35.7 °C.
Does it snow in Dymer?
Yes. Dymer gets on average 83.7 cm of snow per year and has around 113 frost days.
Has the climate of Dymer warmed?
Yes: Dymer warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dymer?
The wettest day measured in Dymer between 1940 and 2025 was 20 August 1949, with 64 mm of rain in 24 hours.
What was the windiest day in Dymer?
The windiest day measured in Dymer between 1940 and 2025 was 22 February 1953, with winds reaching 57.9 km/h.
What is the warmest month in Dymer?
The warmest month in Dymer is July (20.1 °C on average); the coldest is January (-5.1 °C).
How much does it rain in Dymer?
Dymer receives on average 618 mm of precipitation per year, spread over about 118 rainy days.
Is it sunny in Dymer?
Dymer gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dymer?
The heaviest 24-hour snowfall measured in Dymer between 1940 and 2025 was 27 January 2005, with 21.4 cm.
Are there tropical nights in Dymer?
Yes: Dymer has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dymer?
In Dymer, between 1940 and 2025, the highest apparent temperature reached 38.0 °C on 13 July 2024, and the lowest was -40.9 °C on 11 January 1940.
Compare Dymer with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dymer