Weinan climate — normals and trends
Weinan (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 14.7 °C and it receives 747 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 (27.4 °C on average) and the coldest is January (0.5 °C). Rainfall peaks in July.
Weinan averages 78 frost days, 80 hot days (≥ 30 °C) and 90 rainy days per year.
Weinan has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 89 to 67 per year over the period.
The hottest day of the period reached 42.6 °C (on 17 June 2006) and the coldest -20.5 °C (on 16 January 1955).
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
WeinanShaanxi
- coords
- 34.50°, 109.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.7°C
Average daily high
20.1°C
Average daily low
10.0°C
Annual rainfall
747mm
Sunshine / day
8.7h
Mean relative humidity
63%
Average peak wind
10.4km/h
Seasonal range
26.9°C
Frost days (< 0 °C)
78 d/yr
Hot days (≥ 30 °C)
80 d/yr
Rainy days (≥ 1 mm)
90 d/yr
Annual snowfall
16.5 cm
Average feels-like high
19.3 °C
Average feels-like low
8.9 °C
Average peak gust
25.9 km/h
Tropical nights (≥ 20 °C)
73 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
42.6 °C
17 June 2006
Coldest day
-20.5 °C
16 January 1955
Wettest day
134 mm
10 July 1946
Windiest day
35.5 km/h
2 June 1946
Strongest gust
71.3 km/h
1 April 2015
Hottest feels-like
46.1 °C
31 July 1999
Coldest feels-like
-25.3 °C
16 January 1955
Snowiest day
17.8 cm
11 November 2009
Sunniest day
13.9 h
29 June 1949
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 | 7.3 °C | +1.6 °C | 32 mm | +24 mm |
| Feb | 9.2 °C | -0.1 °C | 5 mm | -9 mm |
| Mar | 16.6 °C | +0.9 °C | 30 mm | +1 mm |
| Apr | 27.3 °C | +5.0 °C | 8 mm | -40 mm |
| May | 30.6 °C | +3.5 °C | 25 mm | -44 mm |
| Jun | 32.8 °C | +1.1 °C | 60 mm | -17 mm |
| Jul | 35.2 °C | +2.8 °C | 81 mm | -70 mm |
| Aug | 32.0 °C | +0.9 °C | 101 mm | -32 mm |
| Sep | 24.1 °C | -1.4 °C | 265 mm | +152 mm |
| Oct | 17.5 °C | -2.3 °C | 169 mm | +105 mm |
| Nov | 14.9 °C | +1.8 °C | 13 mm | -20 mm |
| Dec | 10.0 °C | +2.9 °C | 12 mm | +3 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 Weinan?
Weinan has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 14.7 °C and it receives 747 mm of precipitation per year.
What is the hottest day ever recorded in Weinan?
The hottest day measured in Weinan between 1940 and 2025 was 17 June 2006, reaching 42.6 °C.
What is the coldest day in Weinan?
The coldest day measured in Weinan between 1940 and 2025 was 16 January 1955, at -20.5 °C.
Does it snow in Weinan?
Yes. Weinan gets on average 16.5 cm of snow per year and has around 78 frost days.
Has the climate of Weinan warmed?
Yes: Weinan warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Weinan?
The wettest day measured in Weinan between 1940 and 2025 was 10 July 1946, with 134 mm of rain in 24 hours.
What was the windiest day in Weinan?
The windiest day measured in Weinan between 1940 and 2025 was 2 June 1946, with winds reaching 35.5 km/h.
What is the warmest month in Weinan?
The warmest month in Weinan is July (27.4 °C on average); the coldest is January (0.5 °C).
How much does it rain in Weinan?
Weinan receives on average 747 mm of precipitation per year, spread over about 90 rainy days.
Is it sunny in Weinan?
Weinan gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Weinan?
The heaviest 24-hour snowfall measured in Weinan between 1940 and 2025 was 11 November 2009, with 17.8 cm.
Are there tropical nights in Weinan?
Yes: Weinan has on average 73 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Weinan?
In Weinan, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 31 July 1999, and the lowest was -25.3 °C on 16 January 1955.
Compare Weinan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Weinan