Dianbu climate — normals and trends
Dianbu (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 804 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 (25.5 °C on average) and the coldest is January (-2.2 °C). Rainfall peaks in July.
Dianbu averages 109 frost days, 37 hot days (≥ 30 °C) and 78 rainy days per year.
Dianbu has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 120 to 98 per year over the period.
The hottest day of the period reached 39.2 °C (on 23 June 2023) and the coldest -21.2 °C (on 18 January 1958).
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
DianbuShandong
- coords
- 36.70°, 120.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
17.5°C
Average daily low
7.9°C
Annual rainfall
804mm
Sunshine / day
9.0h
Mean relative humidity
69%
Average peak wind
16.4km/h
Seasonal range
27.7°C
Frost days (< 0 °C)
109 d/yr
Hot days (≥ 30 °C)
37 d/yr
Rainy days (≥ 1 mm)
78 d/yr
Annual snowfall
13.0 cm
Average feels-like high
16.3 °C
Average feels-like low
6.3 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
58 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
39.2 °C
23 June 2023
Coldest day
-21.2 °C
18 January 1958
Wettest day
161 mm
2 August 1940
Windiest day
60.4 km/h
2 August 1940
Strongest gust
130.3 km/h
2 August 1940
Hottest feels-like
45.1 °C
9 August 1967
Coldest feels-like
-26.7 °C
18 January 1958
Snowiest day
12.2 cm
29 January 1979
Sunniest day
14.0 h
18 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 | 5.9 °C | +3.2 °C | 1 mm | -9 mm |
| Feb | 6.6 °C | +1.3 °C | 4 mm | -10 mm |
| Mar | 14.3 °C | +3.0 °C | 62 mm | +40 mm |
| Apr | 22.1 °C | +3.8 °C | 30 mm | -14 mm |
| May | 25.2 °C | +1.2 °C | 62 mm | +0 mm |
| Jun | 30.8 °C | +3.2 °C | 85 mm | -6 mm |
| Jul | 33.8 °C | +4.4 °C | 57 mm | -165 mm |
| Aug | 32.8 °C | +3.6 °C | 180 mm | +7 mm |
| Sep | 27.0 °C | +1.4 °C | 171 mm | +82 mm |
| Oct | 18.9 °C | -1.0 °C | 144 mm | +107 mm |
| Nov | 15.2 °C | +3.0 °C | 6 mm | -21 mm |
| Dec | 7.3 °C | +2.3 °C | 15 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 Dianbu?
Dianbu has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 804 mm of precipitation per year.
What is the hottest day ever recorded in Dianbu?
The hottest day measured in Dianbu between 1940 and 2025 was 23 June 2023, reaching 39.2 °C.
What is the coldest day in Dianbu?
The coldest day measured in Dianbu between 1940 and 2025 was 18 January 1958, at -21.2 °C.
Does it snow in Dianbu?
Yes. Dianbu gets on average 13.0 cm of snow per year and has around 109 frost days.
Has the climate of Dianbu warmed?
Yes: Dianbu warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dianbu?
The wettest day measured in Dianbu between 1940 and 2025 was 2 August 1940, with 161 mm of rain in 24 hours.
What was the windiest day in Dianbu?
The windiest day measured in Dianbu between 1940 and 2025 was 2 August 1940, with winds reaching 60.4 km/h.
What is the warmest month in Dianbu?
The warmest month in Dianbu is July (25.5 °C on average); the coldest is January (-2.2 °C).
How much does it rain in Dianbu?
Dianbu receives on average 804 mm of precipitation per year, spread over about 78 rainy days.
Is it sunny in Dianbu?
Dianbu gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dianbu?
The heaviest 24-hour snowfall measured in Dianbu between 1940 and 2025 was 29 January 1979, with 12.2 cm.
Are there tropical nights in Dianbu?
Yes: Dianbu has on average 58 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dianbu?
In Dianbu, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 9 August 1967, and the lowest was -26.7 °C on 18 January 1958.
Compare Dianbu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dianbu