Sevan climate — normals and trends
Sevan (Armenia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.3 °C and it receives 962 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 August (14.8 °C on average) and the coldest is January (-7.0 °C). Rainfall peaks in May.
Sevan averages 163 frost days, 0 hot days (≥ 30 °C) and 169 rainy days per year.
Sevan has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 176 to 150 per year over the period.
The hottest day of the period reached 28.9 °C (on 16 August 2015) and the coldest -23.7 °C (on 19 January 1964).
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
SevanGegharkunik
- coords
- 40.55°, 44.95°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.3°C
Average daily high
8.2°C
Average daily low
1.0°C
Annual rainfall
962mm
Sunshine / day
9.7h
Mean relative humidity
80%
Average peak wind
9.7km/h
Seasonal range
21.8°C
Frost days (< 0 °C)
163 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
169 d/yr
Annual snowfall
203.4 cm
Average feels-like high
6.4 °C
Average feels-like low
-1.9 °C
Average peak gust
29.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
16.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
28.9 °C
16 August 2015
Coldest day
-23.7 °C
19 January 1964
Wettest day
51 mm
4 July 1963
Windiest day
29.2 km/h
30 October 1970
Strongest gust
106.2 km/h
15 March 2010
Hottest feels-like
31.4 °C
14 August 2015
Coldest feels-like
-29.0 °C
24 February 1985
Snowiest day
30.6 cm
14 November 1948
Sunniest day
14.0 h
9 May 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 | -0.6 °C | +3.5 °C | 6 mm | -26 mm |
| Feb | -3.4 °C | -0.3 °C | 60 mm | +19 mm |
| Mar | 6.8 °C | +5.9 °C | 73 mm | -2 mm |
| Apr | 8.8 °C | +1.8 °C | 149 mm | +47 mm |
| May | 15.0 °C | +2.2 °C | 145 mm | -5 mm |
| Jun | 16.9 °C | +0.3 °C | 92 mm | -56 mm |
| Jul | 19.9 °C | +0.9 °C | 123 mm | +15 mm |
| Aug | 21.4 °C | +2.1 °C | 34 mm | -58 mm |
| Sep | 15.8 °C | -0.8 °C | 84 mm | +15 mm |
| Oct | 12.9 °C | +1.9 °C | 39 mm | -27 mm |
| Nov | 9.3 °C | +5.2 °C | 6 mm | -41 mm |
| Dec | 0.4 °C | +2.1 °C | 46 mm | +12 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 Sevan?
Sevan has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.3 °C and it receives 962 mm of precipitation per year.
What is the hottest day ever recorded in Sevan?
The hottest day measured in Sevan between 1940 and 2025 was 16 August 2015, reaching 28.9 °C.
What is the coldest day in Sevan?
The coldest day measured in Sevan between 1940 and 2025 was 19 January 1964, at -23.7 °C.
Does it snow in Sevan?
Yes. Sevan gets on average 203.4 cm of snow per year and has around 163 frost days.
Has the climate of Sevan warmed?
Yes: Sevan warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sevan?
The wettest day measured in Sevan between 1940 and 2025 was 4 July 1963, with 51 mm of rain in 24 hours.
What was the windiest day in Sevan?
The windiest day measured in Sevan between 1940 and 2025 was 30 October 1970, with winds reaching 29.2 km/h.
What is the warmest month in Sevan?
The warmest month in Sevan is August (14.8 °C on average); the coldest is January (-7.0 °C).
How much does it rain in Sevan?
Sevan receives on average 962 mm of precipitation per year, spread over about 169 rainy days.
Is it sunny in Sevan?
Sevan gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sevan?
The heaviest 24-hour snowfall measured in Sevan between 1940 and 2025 was 14 November 1948, with 30.6 cm.
Are there tropical nights in Sevan?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sevan.
What was the most extreme apparent temperature in Sevan?
In Sevan, between 1940 and 2025, the highest apparent temperature reached 31.4 °C on 14 August 2015, and the lowest was -29.0 °C on 24 February 1985.
Compare Sevan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sevan