Sergach climate — normals and trends
Sergach (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.3 °C and it receives 587 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 (19.1 °C on average) and the coldest is January (-11.1 °C). Rainfall peaks in July.
Sergach averages 166 frost days, 7 hot days (≥ 30 °C) and 123 rainy days per year.
Sergach 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 178 to 154 per year over the period.
The hottest day of the period reached 38.4 °C (on 29 July 2010) and the coldest -45.6 °C (on 31 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
SergachNizhny Novgorod Oblast
- coords
- 55.53°, 45.46°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.3°C
Average daily high
8.0°C
Average daily low
0.4°C
Annual rainfall
587mm
Sunshine / day
7.1h
Mean relative humidity
76%
Average peak wind
18.2km/h
Seasonal range
30.2°C
Frost days (< 0 °C)
166 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
125.4 cm
Average feels-like high
4.7 °C
Average feels-like low
-3.3 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.49 · 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
38.4 °C
29 July 2010
Coldest day
-45.6 °C
31 December 1978
Wettest day
75 mm
26 July 1962
Windiest day
48.3 km/h
26 March 1953
Strongest gust
91.1 km/h
23 February 2016
Hottest feels-like
39.3 °C
6 August 2010
Coldest feels-like
-50.7 °C
31 December 1978
Snowiest day
16.9 cm
20 April 2017
Sunniest day
16.0 h
18 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -1.2 °C | +7.2 °C | 45 mm | +11 mm |
| Feb | -5.0 °C | +2.1 °C | 13 mm | -18 mm |
| Mar | 6.2 °C | +7.0 °C | 28 mm | -3 mm |
| Apr | 13.8 °C | +3.9 °C | 49 mm | +10 mm |
| May | 19.4 °C | +1.5 °C | 25 mm | -28 mm |
| Jun | 21.8 °C | -0.1 °C | 69 mm | +3 mm |
| Jul | 25.8 °C | +2.0 °C | 57 mm | -17 mm |
| Aug | 22.6 °C | +0.4 °C | 92 mm | +29 mm |
| Sep | 17.5 °C | +1.8 °C | 15 mm | -42 mm |
| Oct | 10.1 °C | +2.8 °C | 33 mm | -22 mm |
| Nov | 5.3 °C | +6.0 °C | 64 mm | +19 mm |
| Dec | -2.5 °C | +3.1 °C | 38 mm | -3 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 Sergach?
Sergach has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.3 °C and it receives 587 mm of precipitation per year.
What is the hottest day ever recorded in Sergach?
The hottest day measured in Sergach between 1940 and 2025 was 29 July 2010, reaching 38.4 °C.
What is the coldest day in Sergach?
The coldest day measured in Sergach between 1940 and 2025 was 31 December 1978, at -45.6 °C.
Does it snow in Sergach?
Yes. Sergach gets on average 125.4 cm of snow per year and has around 166 frost days.
Has the climate of Sergach warmed?
Yes: Sergach warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sergach?
The wettest day measured in Sergach between 1940 and 2025 was 26 July 1962, with 75 mm of rain in 24 hours.
What was the windiest day in Sergach?
The windiest day measured in Sergach between 1940 and 2025 was 26 March 1953, with winds reaching 48.3 km/h.
What is the warmest month in Sergach?
The warmest month in Sergach is July (19.1 °C on average); the coldest is January (-11.1 °C).
How much does it rain in Sergach?
Sergach receives on average 587 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Sergach?
Sergach gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sergach?
The heaviest 24-hour snowfall measured in Sergach between 1940 and 2025 was 20 April 2017, with 16.9 cm.
Are there tropical nights in Sergach?
Yes: Sergach has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sergach?
In Sergach, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 6 August 2010, and the lowest was -50.7 °C on 31 December 1978.
Compare Sergach with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sergach