Arsen'yev climate — normals and trends
Arsen'yev (Russia) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 3.2 °C and it receives 775 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 (20.8 °C on average) and the coldest is January (-18.8 °C). Rainfall peaks in August.
Arsen'yev averages 181 frost days, 5 hot days (≥ 30 °C) and 110 rainy days per year.
Arsen'yev has warmed by +2.0 °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 187 to 175 per year over the period.
The hottest day of the period reached 35.2 °C (on 9 August 1949) and the coldest -42.2 °C (on 15 January 1985).
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
Arsen'yevPrimorskiy (Maritime) Kray
- coords
- 44.16°, 133.27°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.2°C
Average daily high
9.0°C
Average daily low
-2.3°C
Annual rainfall
775mm
Sunshine / day
8.8h
Mean relative humidity
71%
Average peak wind
12.8km/h
Seasonal range
39.6°C
Frost days (< 0 °C)
181 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
87.4 cm
Average feels-like high
6.8 °C
Average feels-like low
-5.2 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
7 d/yr
Solar radiation
13.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °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
35.2 °C
9 August 1949
Coldest day
-42.2 °C
15 January 1985
Wettest day
130 mm
18 August 1979
Windiest day
35.7 km/h
20 April 2005
Strongest gust
99.7 km/h
18 September 1946
Hottest feels-like
41.9 °C
9 August 1949
Coldest feels-like
-46.9 °C
15 January 1985
Snowiest day
32.1 cm
27 October 2002
Sunniest day
14.7 h
28 June 1954
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 | -8.3 °C | +3.6 °C | 7 mm | -5 mm |
| Feb | -5.9 °C | +1.5 °C | 13 mm | -3 mm |
| Mar | 3.8 °C | +2.5 °C | 23 mm | -8 mm |
| Apr | 13.2 °C | +1.6 °C | 65 mm | +11 mm |
| May | 19.6 °C | +1.5 °C | 116 mm | +30 mm |
| Jun | 25.0 °C | +2.8 °C | 108 mm | +12 mm |
| Jul | 28.7 °C | +3.2 °C | 151 mm | +27 mm |
| Aug | 25.9 °C | +0.7 °C | 212 mm | +72 mm |
| Sep | 22.8 °C | +2.8 °C | 58 mm | -37 mm |
| Oct | 10.7 °C | -1.4 °C | 29 mm | -34 mm |
| Nov | 3.7 °C | +2.9 °C | 32 mm | -7 mm |
| Dec | -7.5 °C | +1.5 °C | 11 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 Arsen'yev?
Arsen'yev has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 3.2 °C and it receives 775 mm of precipitation per year.
What is the hottest day ever recorded in Arsen'yev?
The hottest day measured in Arsen'yev between 1940 and 2025 was 9 August 1949, reaching 35.2 °C.
What is the coldest day in Arsen'yev?
The coldest day measured in Arsen'yev between 1940 and 2025 was 15 January 1985, at -42.2 °C.
Does it snow in Arsen'yev?
Yes. Arsen'yev gets on average 87.4 cm of snow per year and has around 181 frost days.
Has the climate of Arsen'yev warmed?
Yes: Arsen'yev warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arsen'yev?
The wettest day measured in Arsen'yev between 1940 and 2025 was 18 August 1979, with 130 mm of rain in 24 hours.
What was the windiest day in Arsen'yev?
The windiest day measured in Arsen'yev between 1940 and 2025 was 20 April 2005, with winds reaching 35.7 km/h.
What is the warmest month in Arsen'yev?
The warmest month in Arsen'yev is July (20.8 °C on average); the coldest is January (-18.8 °C).
How much does it rain in Arsen'yev?
Arsen'yev receives on average 775 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Arsen'yev?
Arsen'yev gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Arsen'yev?
The heaviest 24-hour snowfall measured in Arsen'yev between 1940 and 2025 was 27 October 2002, with 32.1 cm.
Are there tropical nights in Arsen'yev?
Yes: Arsen'yev has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Arsen'yev?
In Arsen'yev, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 9 August 1949, and the lowest was -46.9 °C on 15 January 1985.
Compare Arsen'yev with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arsen'yev