Oymak climate — normals and trends
Oymak (China) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.8 °C and it receives 253 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 (21.8 °C on average) and the coldest is January (-16.1 °C). Rainfall peaks in November.
Oymak averages 180 frost days, 21 hot days (≥ 30 °C) and 60 rainy days per year.
Oymak has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 191 to 169 per year over the period.
The hottest day of the period reached 39.4 °C (on 22 July 2015) and the coldest -41.3 °C (on 25 February 1951).
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
OymakXinjiang
- coords
- 47.88°, 86.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.8°C
Average daily high
9.2°C
Average daily low
-1.5°C
Annual rainfall
253mm
Sunshine / day
10.1h
Mean relative humidity
56%
Average peak wind
15.7km/h
Seasonal range
37.9°C
Frost days (< 0 °C)
180 d/yr
Hot days (≥ 30 °C)
21 d/yr
Rainy days (≥ 1 mm)
60 d/yr
Annual snowfall
74.5 cm
Average feels-like high
5.6 °C
Average feels-like low
-5.3 °C
Average peak gust
35.4 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
15.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.16 · 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
39.4 °C
22 July 2015
Coldest day
-41.3 °C
25 February 1951
Wettest day
30 mm
9 April 1955
Windiest day
50.1 km/h
1 February 1966
Strongest gust
104.0 km/h
21 May 1983
Hottest feels-like
40.2 °C
14 July 2004
Coldest feels-like
-47.0 °C
25 February 1951
Snowiest day
14.3 cm
17 December 1997
Sunniest day
15.2 h
18 June 2023
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 | +4.3 °C | 21 mm | +7 mm |
| Feb | -6.0 °C | +2.3 °C | 1 mm | -12 mm |
| Mar | 1.9 °C | +1.8 °C | 31 mm | +15 mm |
| Apr | 16.1 °C | +3.9 °C | 21 mm | -2 mm |
| May | 22.3 °C | +2.1 °C | 17 mm | -6 mm |
| Jun | 28.6 °C | +2.9 °C | 14 mm | -6 mm |
| Jul | 30.1 °C | +2.6 °C | 4 mm | -19 mm |
| Aug | 25.1 °C | -0.8 °C | 17 mm | -1 mm |
| Sep | 18.6 °C | -1.1 °C | 65 mm | +44 mm |
| Oct | 8.7 °C | -1.9 °C | 26 mm | -2 mm |
| Nov | 0.5 °C | +2.0 °C | 30 mm | -3 mm |
| Dec | -5.7 °C | +4.0 °C | 31 mm | +9 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 Oymak?
Oymak has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.8 °C and it receives 253 mm of precipitation per year.
What is the hottest day ever recorded in Oymak?
The hottest day measured in Oymak between 1940 and 2025 was 22 July 2015, reaching 39.4 °C.
What is the coldest day in Oymak?
The coldest day measured in Oymak between 1940 and 2025 was 25 February 1951, at -41.3 °C.
Does it snow in Oymak?
Yes. Oymak gets on average 74.5 cm of snow per year and has around 180 frost days.
Has the climate of Oymak warmed?
Yes: Oymak warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oymak?
The wettest day measured in Oymak between 1940 and 2025 was 9 April 1955, with 30 mm of rain in 24 hours.
What was the windiest day in Oymak?
The windiest day measured in Oymak between 1940 and 2025 was 1 February 1966, with winds reaching 50.1 km/h.
What is the warmest month in Oymak?
The warmest month in Oymak is July (21.8 °C on average); the coldest is January (-16.1 °C).
How much does it rain in Oymak?
Oymak receives on average 253 mm of precipitation per year, spread over about 60 rainy days.
Is it sunny in Oymak?
Oymak gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Oymak?
The heaviest 24-hour snowfall measured in Oymak between 1940 and 2025 was 17 December 1997, with 14.3 cm.
Are there tropical nights in Oymak?
Yes: Oymak has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Oymak?
In Oymak, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 14 July 2004, and the lowest was -47.0 °C on 25 February 1951.
Compare Oymak with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Oymak