Dalai climate — normals and trends
Dalai (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 5.3 °C and it receives 510 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 (24.0 °C on average) and the coldest is January (-16.7 °C). Rainfall peaks in July.
Dalai averages 168 frost days, 18 hot days (≥ 30 °C) and 69 rainy days per year.
Dalai has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 175 to 161 per year over the period.
The hottest day of the period reached 38.2 °C (on 5 July 1979) and the coldest -36.5 °C (on 12 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
DalaiJilin
- coords
- 45.50°, 124.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.3°C
Average daily high
10.2°C
Average daily low
0.6°C
Annual rainfall
510mm
Sunshine / day
9.6h
Mean relative humidity
62%
Average peak wind
19.0km/h
Seasonal range
40.7°C
Frost days (< 0 °C)
168 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
69 d/yr
Annual snowfall
24.7 cm
Average feels-like high
7.1 °C
Average feels-like low
-2.7 °C
Average peak gust
35.0 km/h
Tropical nights (≥ 20 °C)
29 d/yr
Solar radiation
14.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.41 · 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
38.2 °C
5 July 1979
Coldest day
-36.5 °C
12 January 2001
Wettest day
127 mm
29 July 1966
Windiest day
53.9 km/h
24 May 1976
Strongest gust
97.9 km/h
24 May 1976
Hottest feels-like
40.8 °C
18 July 2017
Coldest feels-like
-42.3 °C
12 January 2001
Snowiest day
29.3 cm
8 November 2021
Sunniest day
15.0 h
9 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 | -9.1 °C | +2.7 °C | 4 mm | +1 mm |
| Feb | -6.2 °C | +0.6 °C | 1 mm | -3 mm |
| Mar | 4.6 °C | +2.1 °C | 7 mm | -4 mm |
| Apr | 14.0 °C | +1.0 °C | 87 mm | +63 mm |
| May | 20.5 °C | -0.1 °C | 40 mm | -6 mm |
| Jun | 25.8 °C | +0.1 °C | 83 mm | +5 mm |
| Jul | 30.1 °C | +2.1 °C | 95 mm | -41 mm |
| Aug | 27.0 °C | +0.5 °C | 84 mm | -25 mm |
| Sep | 24.6 °C | +3.6 °C | 33 mm | -22 mm |
| Oct | 11.4 °C | -0.9 °C | 22 mm | -7 mm |
| Nov | 3.5 °C | +3.1 °C | 3 mm | -8 mm |
| Dec | -7.4 °C | +2.0 °C | 6 mm | +2 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 Dalai?
Dalai has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 5.3 °C and it receives 510 mm of precipitation per year.
What is the hottest day ever recorded in Dalai?
The hottest day measured in Dalai between 1940 and 2025 was 5 July 1979, reaching 38.2 °C.
What is the coldest day in Dalai?
The coldest day measured in Dalai between 1940 and 2025 was 12 January 2001, at -36.5 °C.
Does it snow in Dalai?
Yes. Dalai gets on average 24.7 cm of snow per year and has around 168 frost days.
Has the climate of Dalai warmed?
Yes: Dalai warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dalai?
The wettest day measured in Dalai between 1940 and 2025 was 29 July 1966, with 127 mm of rain in 24 hours.
What was the windiest day in Dalai?
The windiest day measured in Dalai between 1940 and 2025 was 24 May 1976, with winds reaching 53.9 km/h.
What is the warmest month in Dalai?
The warmest month in Dalai is July (24.0 °C on average); the coldest is January (-16.7 °C).
How much does it rain in Dalai?
Dalai receives on average 510 mm of precipitation per year, spread over about 69 rainy days.
Is it sunny in Dalai?
Dalai gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dalai?
The heaviest 24-hour snowfall measured in Dalai between 1940 and 2025 was 8 November 2021, with 29.3 cm.
Are there tropical nights in Dalai?
Yes: Dalai has on average 29 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dalai?
In Dalai, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 18 July 2017, and the lowest was -42.3 °C on 12 January 2001.
Compare Dalai with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dalai