Dashi climate — normals and trends
Dashi (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 8.4 °C and it receives 719 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 (20.4 °C on average) and the coldest is January (-5.2 °C). Rainfall peaks in August.
Dashi averages 133 frost days, 4 hot days (≥ 30 °C) and 111 rainy days per year.
Dashi has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 142 to 124 per year over the period.
The hottest day of the period reached 34.6 °C (on 6 July 2022) and the coldest -25.8 °C (on 19 December 1947).
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
DashiGansu
- coords
- 34.90°, 105.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.4°C
Average daily high
13.6°C
Average daily low
3.8°C
Annual rainfall
719mm
Sunshine / day
8.8h
Mean relative humidity
69%
Average peak wind
15.2km/h
Seasonal range
25.6°C
Frost days (< 0 °C)
133 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
111 d/yr
Annual snowfall
43.5 cm
Average feels-like high
11.3 °C
Average feels-like low
1.3 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.53 · 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
34.6 °C
6 July 2022
Coldest day
-25.8 °C
19 December 1947
Wettest day
102 mm
20 August 1946
Windiest day
56.7 km/h
31 May 1946
Strongest gust
100.8 km/h
30 May 1946
Hottest feels-like
35.4 °C
15 July 2025
Coldest feels-like
-30.7 °C
19 December 1947
Snowiest day
11.6 cm
3 April 1969
Sunniest day
14.0 h
28 May 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 | 2.8 °C | +2.8 °C | 18 mm | +8 mm |
| Feb | 2.4 °C | -0.4 °C | 17 mm | +2 mm |
| Mar | 9.6 °C | +0.1 °C | 12 mm | -16 mm |
| Apr | 19.0 °C | +3.5 °C | 12 mm | -34 mm |
| May | 23.6 °C | +3.7 °C | 48 mm | -21 mm |
| Jun | 25.6 °C | +2.0 °C | 71 mm | -14 mm |
| Jul | 27.1 °C | +1.6 °C | 103 mm | -27 mm |
| Aug | 25.9 °C | +1.6 °C | 133 mm | -1 mm |
| Sep | 20.7 °C | +1.6 °C | 82 mm | -28 mm |
| Oct | 12.9 °C | -0.7 °C | 168 mm | +104 mm |
| Nov | 8.5 °C | +1.1 °C | 24 mm | +3 mm |
| Dec | 4.2 °C | +2.7 °C | 8 mm | +0 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 Dashi?
Dashi has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 8.4 °C and it receives 719 mm of precipitation per year.
What is the hottest day ever recorded in Dashi?
The hottest day measured in Dashi between 1940 and 2025 was 6 July 2022, reaching 34.6 °C.
What is the coldest day in Dashi?
The coldest day measured in Dashi between 1940 and 2025 was 19 December 1947, at -25.8 °C.
Does it snow in Dashi?
Yes. Dashi gets on average 43.5 cm of snow per year and has around 133 frost days.
Has the climate of Dashi warmed?
Yes: Dashi warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dashi?
The wettest day measured in Dashi between 1940 and 2025 was 20 August 1946, with 102 mm of rain in 24 hours.
What was the windiest day in Dashi?
The windiest day measured in Dashi between 1940 and 2025 was 31 May 1946, with winds reaching 56.7 km/h.
What is the warmest month in Dashi?
The warmest month in Dashi is July (20.4 °C on average); the coldest is January (-5.2 °C).
How much does it rain in Dashi?
Dashi receives on average 719 mm of precipitation per year, spread over about 111 rainy days.
Is it sunny in Dashi?
Dashi gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dashi?
The heaviest 24-hour snowfall measured in Dashi between 1940 and 2025 was 3 April 1969, with 11.6 cm.
Are there tropical nights in Dashi?
Yes: Dashi has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dashi?
In Dashi, between 1940 and 2025, the highest apparent temperature reached 35.4 °C on 15 July 2025, and the lowest was -30.7 °C on 19 December 1947.
Compare Dashi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dashi