Dergachi climate — normals and trends
Dergachi (Russia) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 6.1 °C and it receives 397 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 (22.7 °C on average) and the coldest is January (-11.2 °C). Rainfall peaks in June.
Dergachi averages 157 frost days, 30 hot days (≥ 30 °C) and 86 rainy days per year.
Dergachi has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 169 to 145 per year over the period.
The hottest day of the period reached 41.7 °C (on 7 August 1940) and the coldest -41.4 °C (on 11 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
DergachiSaratov Oblast
- coords
- 51.23°, 48.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.1°C
Average daily high
10.4°C
Average daily low
1.6°C
Annual rainfall
397mm
Sunshine / day
8.2h
Mean relative humidity
69%
Average peak wind
21.2km/h
Seasonal range
33.9°C
Frost days (< 0 °C)
157 d/yr
Hot days (≥ 30 °C)
30 d/yr
Rainy days (≥ 1 mm)
86 d/yr
Annual snowfall
95.8 cm
Average feels-like high
6.7 °C
Average feels-like low
-2.3 °C
Average peak gust
36.8 km/h
Tropical nights (≥ 20 °C)
12 d/yr
Solar radiation
12.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.38 · 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
41.7 °C
7 August 1940
Coldest day
-41.4 °C
11 January 1940
Wettest day
46 mm
6 September 2011
Windiest day
79.7 km/h
8 February 1958
Strongest gust
116.3 km/h
8 February 1958
Hottest feels-like
40.2 °C
15 June 2012
Coldest feels-like
-47.1 °C
22 January 1942
Snowiest day
19.7 cm
17 April 1980
Sunniest day
15.9 h
26 June 1940
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 | -1.0 °C | +7.2 °C | 22 mm | -12 mm |
| Feb | -5.3 °C | +2.1 °C | 23 mm | -5 mm |
| Mar | 7.8 °C | +8.5 °C | 30 mm | -0 mm |
| Apr | 17.4 °C | +4.6 °C | 26 mm | -4 mm |
| May | 22.6 °C | +1.4 °C | 30 mm | -3 mm |
| Jun | 25.5 °C | -0.4 °C | 83 mm | +46 mm |
| Jul | 29.5 °C | +1.3 °C | 30 mm | -7 mm |
| Aug | 27.8 °C | +0.7 °C | 30 mm | +2 mm |
| Sep | 21.9 °C | +1.8 °C | 15 mm | -19 mm |
| Oct | 12.8 °C | +2.4 °C | 49 mm | +14 mm |
| Nov | 6.8 °C | +5.7 °C | 42 mm | +6 mm |
| Dec | -1.8 °C | +3.4 °C | 38 mm | +4 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 Dergachi?
Dergachi has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 6.1 °C and it receives 397 mm of precipitation per year.
What is the hottest day ever recorded in Dergachi?
The hottest day measured in Dergachi between 1940 and 2025 was 7 August 1940, reaching 41.7 °C.
What is the coldest day in Dergachi?
The coldest day measured in Dergachi between 1940 and 2025 was 11 January 1940, at -41.4 °C.
Does it snow in Dergachi?
Yes. Dergachi gets on average 95.8 cm of snow per year and has around 157 frost days.
Has the climate of Dergachi warmed?
Yes: Dergachi warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dergachi?
The wettest day measured in Dergachi between 1940 and 2025 was 6 September 2011, with 46 mm of rain in 24 hours.
What was the windiest day in Dergachi?
The windiest day measured in Dergachi between 1940 and 2025 was 8 February 1958, with winds reaching 79.7 km/h.
What is the warmest month in Dergachi?
The warmest month in Dergachi is July (22.7 °C on average); the coldest is January (-11.2 °C).
How much does it rain in Dergachi?
Dergachi receives on average 397 mm of precipitation per year, spread over about 86 rainy days.
Is it sunny in Dergachi?
Dergachi gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dergachi?
The heaviest 24-hour snowfall measured in Dergachi between 1940 and 2025 was 17 April 1980, with 19.7 cm.
Are there tropical nights in Dergachi?
Yes: Dergachi has on average 12 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dergachi?
In Dergachi, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 15 June 2012, and the lowest was -47.1 °C on 22 January 1942.
Compare Dergachi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dergachi