Udomlya climate — normals and trends
Udomlya (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.2 °C and it receives 686 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 (17.6 °C on average) and the coldest is January (-9.3 °C). Rainfall peaks in July.
Udomlya averages 161 frost days, 2 hot days (≥ 30 °C) and 141 rainy days per year.
Udomlya has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 174 to 148 per year over the period.
The hottest day of the period reached 35.9 °C (on 5 August 2010) and the coldest -44.1 °C (on 30 December 1978).
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
UdomlyaTver Oblast
- coords
- 57.88°, 35.01°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.2°C
Average daily high
7.7°C
Average daily low
0.5°C
Annual rainfall
686mm
Sunshine / day
6.5h
Mean relative humidity
79%
Average peak wind
17.3km/h
Seasonal range
26.9°C
Frost days (< 0 °C)
161 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
136.0 cm
Average feels-like high
4.4 °C
Average feels-like low
-3.0 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.43 · 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
35.9 °C
5 August 2010
Coldest day
-44.1 °C
30 December 1978
Wettest day
57 mm
3 August 1965
Windiest day
45.7 km/h
28 October 2019
Strongest gust
102.6 km/h
4 August 1988
Hottest feels-like
37.8 °C
7 August 2010
Coldest feels-like
-49.4 °C
30 December 1978
Snowiest day
21.5 cm
30 November 2012
Sunniest day
17.1 h
4 July 2010
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 | 0.9 °C | +7.6 °C | 67 mm | +30 mm |
| Feb | -2.9 °C | +2.4 °C | 16 mm | -15 mm |
| Mar | 6.4 °C | +6.0 °C | 40 mm | +4 mm |
| Apr | 10.9 °C | +2.3 °C | 45 mm | +1 mm |
| May | 16.6 °C | +0.7 °C | 50 mm | -15 mm |
| Jun | 18.8 °C | -1.1 °C | 154 mm | +76 mm |
| Jul | 25.5 °C | +3.6 °C | 103 mm | +11 mm |
| Aug | 19.9 °C | -0.2 °C | 88 mm | +8 mm |
| Sep | 17.3 °C | +3.1 °C | 42 mm | -23 mm |
| Oct | 8.1 °C | +1.2 °C | 46 mm | -17 mm |
| Nov | 3.5 °C | +3.4 °C | 61 mm | +9 mm |
| Dec | 0.0 °C | +4.1 °C | 50 mm | +5 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 Udomlya?
Udomlya has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.2 °C and it receives 686 mm of precipitation per year.
What is the hottest day ever recorded in Udomlya?
The hottest day measured in Udomlya between 1940 and 2025 was 5 August 2010, reaching 35.9 °C.
What is the coldest day in Udomlya?
The coldest day measured in Udomlya between 1940 and 2025 was 30 December 1978, at -44.1 °C.
Does it snow in Udomlya?
Yes. Udomlya gets on average 136.0 cm of snow per year and has around 161 frost days.
Has the climate of Udomlya warmed?
Yes: Udomlya warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Udomlya?
The wettest day measured in Udomlya between 1940 and 2025 was 3 August 1965, with 57 mm of rain in 24 hours.
What was the windiest day in Udomlya?
The windiest day measured in Udomlya between 1940 and 2025 was 28 October 2019, with winds reaching 45.7 km/h.
What is the warmest month in Udomlya?
The warmest month in Udomlya is July (17.6 °C on average); the coldest is January (-9.3 °C).
How much does it rain in Udomlya?
Udomlya receives on average 686 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Udomlya?
Udomlya gets on average 6.5 hours of sunshine per day, roughly 2,373 hours per year over 1940-2025.
What is the biggest single-day snowfall in Udomlya?
The heaviest 24-hour snowfall measured in Udomlya between 1940 and 2025 was 30 November 2012, with 21.5 cm.
Are there tropical nights in Udomlya?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Udomlya.
What was the most extreme apparent temperature in Udomlya?
In Udomlya, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 7 August 2010, and the lowest was -49.4 °C on 30 December 1978.
Compare Udomlya with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Udomlya