Mörön climate — normals and trends
Mörön (Mongolia) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is -1.7 °C and it receives 356 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 (15.6 °C on average) and the coldest is January (-21.3 °C). Rainfall peaks in July.
Mörön averages 231 frost days, 1 hot days (≥ 30 °C) and 69 rainy days per year.
Mörön has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 241 to 221 per year over the period.
The hottest day of the period reached 34.8 °C (on 10 July 1997) and the coldest -41.8 °C (on 22 December 1965).
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
MörönKhövsgöl Province
- coords
- 49.63°, 100.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-1.7°C
Average daily high
4.3°C
Average daily low
-7.3°C
Annual rainfall
356mm
Sunshine / day
10.1h
Mean relative humidity
60%
Average peak wind
14.6km/h
Seasonal range
36.9°C
Frost days (< 0 °C)
231 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
69 d/yr
Annual snowfall
46.4 cm
Average feels-like high
0.3 °C
Average feels-like low
-11.2 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.46 · 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
34.8 °C
10 July 1997
Coldest day
-41.8 °C
22 December 1965
Wettest day
57 mm
25 June 1986
Windiest day
44.9 km/h
13 April 1956
Strongest gust
106.9 km/h
19 October 1997
Hottest feels-like
33.8 °C
10 July 1997
Coldest feels-like
-47.6 °C
22 December 1965
Snowiest day
15.2 cm
19 May 1941
Sunniest day
15.3 h
9 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 | -13.4 °C | +2.4 °C | 2 mm | +1 mm |
| Feb | -7.6 °C | +3.0 °C | 0 mm | -2 mm |
| Mar | 1.1 °C | +2.6 °C | 6 mm | -1 mm |
| Apr | 12.5 °C | +5.1 °C | 4 mm | -16 mm |
| May | 14.8 °C | +0.3 °C | 53 mm | +18 mm |
| Jun | 22.7 °C | +2.9 °C | 80 mm | +10 mm |
| Jul | 22.7 °C | +1.8 °C | 71 mm | -21 mm |
| Aug | 20.5 °C | +1.3 °C | 41 mm | -36 mm |
| Sep | 15.0 °C | +1.4 °C | 51 mm | +16 mm |
| Oct | 0.0 °C | -4.7 °C | 18 mm | +6 mm |
| Nov | -3.1 °C | +3.4 °C | 6 mm | +2 mm |
| Dec | -11.0 °C | +3.2 °C | 1 mm | -1 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 Mörön?
Mörön has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is -1.7 °C and it receives 356 mm of precipitation per year.
What is the hottest day ever recorded in Mörön?
The hottest day measured in Mörön between 1940 and 2025 was 10 July 1997, reaching 34.8 °C.
What is the coldest day in Mörön?
The coldest day measured in Mörön between 1940 and 2025 was 22 December 1965, at -41.8 °C.
Does it snow in Mörön?
Yes. Mörön gets on average 46.4 cm of snow per year and has around 231 frost days.
Has the climate of Mörön warmed?
Yes: Mörön warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mörön?
The wettest day measured in Mörön between 1940 and 2025 was 25 June 1986, with 57 mm of rain in 24 hours.
What was the windiest day in Mörön?
The windiest day measured in Mörön between 1940 and 2025 was 13 April 1956, with winds reaching 44.9 km/h.
What is the warmest month in Mörön?
The warmest month in Mörön is July (15.6 °C on average); the coldest is January (-21.3 °C).
How much does it rain in Mörön?
Mörön receives on average 356 mm of precipitation per year, spread over about 69 rainy days.
Is it sunny in Mörön?
Mörön 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 Mörön?
The heaviest 24-hour snowfall measured in Mörön between 1940 and 2025 was 19 May 1941, with 15.2 cm.
Are there tropical nights in Mörön?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mörön.
What was the most extreme apparent temperature in Mörön?
In Mörön, between 1940 and 2025, the highest apparent temperature reached 33.8 °C on 10 July 1997, and the lowest was -47.6 °C on 22 December 1965.
Compare Mörön with another city
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