Laojunmiao climate — normals and trends
Laojunmiao (China) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 2.7 °C and it receives 252 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 (16.3 °C on average) and the coldest is January (-12.2 °C). Rainfall peaks in July.
Laojunmiao averages 198 frost days, 0 hot days (≥ 30 °C) and 54 rainy days per year.
No statistically significant temperature trend emerges for Laojunmiao between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 30.5 °C (on 11 July 1942) and the coldest -34.6 °C (on 27 December 1991).
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
LaojunmiaoGansu
- coords
- 39.83°, 97.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.7°C
Average daily high
8.3°C
Average daily low
-2.6°C
Annual rainfall
252mm
Sunshine / day
10.5h
Mean relative humidity
47%
Average peak wind
15.0km/h
Seasonal range
28.5°C
Frost days (< 0 °C)
198 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
54 d/yr
Annual snowfall
46.5 cm
Average feels-like high
4.9 °C
Average feels-like low
-7.2 °C
Average peak gust
32.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
18.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
30.5 °C
11 July 1942
Coldest day
-34.6 °C
27 December 1991
Wettest day
42 mm
24 August 1955
Windiest day
40.5 km/h
10 March 1995
Strongest gust
93.6 km/h
10 March 1995
Hottest feels-like
29.4 °C
27 July 2010
Coldest feels-like
-40.7 °C
27 December 1991
Snowiest day
13.4 cm
21 April 1976
Sunniest day
14.8 h
23 June 2024
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 | -2.6 °C | +3.1 °C | 2 mm | -3 mm |
| Feb | -2.7 °C | +0.6 °C | 4 mm | -4 mm |
| Mar | 2.3 °C | -0.4 °C | 12 mm | -3 mm |
| Apr | 11.3 °C | +1.7 °C | 15 mm | -3 mm |
| May | 17.4 °C | +2.3 °C | 20 mm | -4 mm |
| Jun | 20.1 °C | +1.0 °C | 41 mm | +6 mm |
| Jul | 22.0 °C | +1.0 °C | 62 mm | +13 mm |
| Aug | 20.2 °C | +0.3 °C | 76 mm | +27 mm |
| Sep | 16.7 °C | +1.5 °C | 6 mm | -18 mm |
| Oct | 8.5 °C | -0.4 °C | 23 mm | +12 mm |
| Nov | 3.1 °C | +1.7 °C | 3 mm | -5 mm |
| Dec | -1.6 °C | +2.5 °C | 13 mm | +7 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 Laojunmiao?
Laojunmiao has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 2.7 °C and it receives 252 mm of precipitation per year.
What is the hottest day ever recorded in Laojunmiao?
The hottest day measured in Laojunmiao between 1940 and 2025 was 11 July 1942, reaching 30.5 °C.
What is the coldest day in Laojunmiao?
The coldest day measured in Laojunmiao between 1940 and 2025 was 27 December 1991, at -34.6 °C.
Does it snow in Laojunmiao?
Yes. Laojunmiao gets on average 46.5 cm of snow per year and has around 198 frost days.
Has the climate of Laojunmiao warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Laojunmiao.
What is the wettest day in Laojunmiao?
The wettest day measured in Laojunmiao between 1940 and 2025 was 24 August 1955, with 42 mm of rain in 24 hours.
What was the windiest day in Laojunmiao?
The windiest day measured in Laojunmiao between 1940 and 2025 was 10 March 1995, with winds reaching 40.5 km/h.
What is the warmest month in Laojunmiao?
The warmest month in Laojunmiao is July (16.3 °C on average); the coldest is January (-12.2 °C).
How much does it rain in Laojunmiao?
Laojunmiao receives on average 252 mm of precipitation per year, spread over about 54 rainy days.
Is it sunny in Laojunmiao?
Laojunmiao gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Laojunmiao?
The heaviest 24-hour snowfall measured in Laojunmiao between 1940 and 2025 was 21 April 1976, with 13.4 cm.
Are there tropical nights in Laojunmiao?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Laojunmiao.
What was the most extreme apparent temperature in Laojunmiao?
In Laojunmiao, between 1940 and 2025, the highest apparent temperature reached 29.4 °C on 27 July 2010, and the lowest was -40.7 °C on 27 December 1991.
Compare Laojunmiao with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Laojunmiao