Lyman climate — normals and trends
Lyman (Ukraine) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 8.4 °C and it receives 516 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 (22.0 °C on average) and the coldest is January (-5.6 °C). Rainfall peaks in June.
Lyman averages 122 frost days, 22 hot days (≥ 30 °C) and 105 rainy days per year.
Lyman has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 139 to 105 per year over the period.
The hottest day of the period reached 39.0 °C (on 17 July 2016) and the coldest -35.3 °C (on 9 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
LymanDonetsk Oblast
- coords
- 48.99°, 37.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.4°C
Average daily high
12.5°C
Average daily low
4.3°C
Annual rainfall
516mm
Sunshine / day
7.8h
Mean relative humidity
72%
Average peak wind
17.6km/h
Seasonal range
27.6°C
Frost days (< 0 °C)
122 d/yr
Hot days (≥ 30 °C)
22 d/yr
Rainy days (≥ 1 mm)
105 d/yr
Annual snowfall
77.2 cm
Average feels-like high
9.8 °C
Average feels-like low
1.2 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
8 d/yr
Solar radiation
12.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.42 · 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
39.0 °C
17 July 2016
Coldest day
-35.3 °C
9 January 1940
Wettest day
71 mm
4 August 2019
Windiest day
47.2 km/h
18 October 1958
Strongest gust
96.8 km/h
14 December 1981
Hottest feels-like
40.2 °C
12 August 1951
Coldest feels-like
-41.2 °C
9 January 1940
Snowiest day
16.2 cm
23 January 2018
Sunniest day
15.0 h
3 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 | +6.6 °C | 20 mm | -23 mm |
| Feb | -1.3 °C | +0.4 °C | 18 mm | -20 mm |
| Mar | 12.1 °C | +7.9 °C | 39 mm | +1 mm |
| Apr | 17.4 °C | +3.2 °C | 21 mm | -23 mm |
| May | 21.6 °C | +0.6 °C | 62 mm | +13 mm |
| Jun | 25.3 °C | +0.2 °C | 48 mm | -5 mm |
| Jul | 31.8 °C | +4.7 °C | 21 mm | -29 mm |
| Aug | 27.9 °C | +1.3 °C | 28 mm | -9 mm |
| Sep | 23.4 °C | +2.9 °C | 5 mm | -33 mm |
| Oct | 13.4 °C | +1.0 °C | 90 mm | +51 mm |
| Nov | 9.5 °C | +5.0 °C | 33 mm | -10 mm |
| Dec | 1.3 °C | +1.8 °C | 33 mm | -13 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 Lyman?
Lyman has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 8.4 °C and it receives 516 mm of precipitation per year.
What is the hottest day ever recorded in Lyman?
The hottest day measured in Lyman between 1940 and 2025 was 17 July 2016, reaching 39.0 °C.
What is the coldest day in Lyman?
The coldest day measured in Lyman between 1940 and 2025 was 9 January 1940, at -35.3 °C.
Does it snow in Lyman?
Yes. Lyman gets on average 77.2 cm of snow per year and has around 122 frost days.
Has the climate of Lyman warmed?
Yes: Lyman warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lyman?
The wettest day measured in Lyman between 1940 and 2025 was 4 August 2019, with 71 mm of rain in 24 hours.
What was the windiest day in Lyman?
The windiest day measured in Lyman between 1940 and 2025 was 18 October 1958, with winds reaching 47.2 km/h.
What is the warmest month in Lyman?
The warmest month in Lyman is July (22.0 °C on average); the coldest is January (-5.6 °C).
How much does it rain in Lyman?
Lyman receives on average 516 mm of precipitation per year, spread over about 105 rainy days.
Is it sunny in Lyman?
Lyman gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lyman?
The heaviest 24-hour snowfall measured in Lyman between 1940 and 2025 was 23 January 2018, with 16.2 cm.
Are there tropical nights in Lyman?
Yes: Lyman has on average 8 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lyman?
In Lyman, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 12 August 1951, and the lowest was -41.2 °C on 9 January 1940.
Compare Lyman with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lyman