Ob' climate — normals and trends
Ob' (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 1.2 °C and it receives 481 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 (19.3 °C on average) and the coldest is January (-17.5 °C). Rainfall peaks in July.
Ob' averages 192 frost days, 5 hot days (≥ 30 °C) and 116 rainy days per year.
Ob' has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 201 to 183 per year over the period.
The hottest day of the period reached 35.9 °C (on 8 June 2023) and the coldest -47.1 °C (on 6 January 2001).
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
Ob'Novosibirsk Oblast
- coords
- 54.99°, 82.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.2°C
Average daily high
5.5°C
Average daily low
-3.2°C
Annual rainfall
481mm
Sunshine / day
8.0h
Mean relative humidity
73%
Average peak wind
17.6km/h
Seasonal range
36.8°C
Frost days (< 0 °C)
192 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
116 d/yr
Annual snowfall
128.4 cm
Average feels-like high
2.0 °C
Average feels-like low
-7.1 °C
Average peak gust
34.1 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.34 · 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
8 June 2023
Coldest day
-47.1 °C
6 January 2001
Wettest day
49 mm
14 June 2018
Windiest day
50.3 km/h
9 April 1989
Strongest gust
103.3 km/h
10 May 2013
Hottest feels-like
40.0 °C
22 July 1953
Coldest feels-like
-52.2 °C
6 January 2001
Snowiest day
13.7 cm
11 May 1957
Sunniest day
17.0 h
13 June 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 | -7.2 °C | +6.7 °C | 31 mm | +6 mm |
| Feb | -6.4 °C | +5.1 °C | 22 mm | +3 mm |
| Mar | 1.3 °C | +4.7 °C | 21 mm | -2 mm |
| Apr | 12.6 °C | +5.6 °C | 52 mm | +22 mm |
| May | 17.2 °C | +0.9 °C | 41 mm | -1 mm |
| Jun | 26.0 °C | +4.0 °C | 55 mm | +2 mm |
| Jul | 24.1 °C | 0.0 °C | 42 mm | -19 mm |
| Aug | 21.0 °C | -0.3 °C | 106 mm | +50 mm |
| Sep | 17.6 °C | +2.6 °C | 31 mm | -12 mm |
| Oct | 3.5 °C | -2.4 °C | 39 mm | -8 mm |
| Nov | -1.8 °C | +3.3 °C | 85 mm | +41 mm |
| Dec | -8.2 °C | +3.4 °C | 49 mm | +13 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 Ob'?
Ob' has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 1.2 °C and it receives 481 mm of precipitation per year.
What is the hottest day ever recorded in Ob'?
The hottest day measured in Ob' between 1940 and 2025 was 8 June 2023, reaching 35.9 °C.
What is the coldest day in Ob'?
The coldest day measured in Ob' between 1940 and 2025 was 6 January 2001, at -47.1 °C.
Does it snow in Ob'?
Yes. Ob' gets on average 128.4 cm of snow per year and has around 192 frost days.
Has the climate of Ob' warmed?
Yes: Ob' warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ob'?
The wettest day measured in Ob' between 1940 and 2025 was 14 June 2018, with 49 mm of rain in 24 hours.
What was the windiest day in Ob'?
The windiest day measured in Ob' between 1940 and 2025 was 9 April 1989, with winds reaching 50.3 km/h.
What is the warmest month in Ob'?
The warmest month in Ob' is July (19.3 °C on average); the coldest is January (-17.5 °C).
How much does it rain in Ob'?
Ob' receives on average 481 mm of precipitation per year, spread over about 116 rainy days.
Is it sunny in Ob'?
Ob' gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ob'?
The heaviest 24-hour snowfall measured in Ob' between 1940 and 2025 was 11 May 1957, with 13.7 cm.
Are there tropical nights in Ob'?
Yes: Ob' has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ob'?
In Ob', between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 22 July 1953, and the lowest was -52.2 °C on 6 January 2001.
Compare Ob' with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ob'