Hongqiao climate — normals and trends
Hongqiao (China) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 10.4 °C and it receives 1,358 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 (16.0 °C on average) and the coldest is January (2.8 °C). Rainfall peaks in July.
Hongqiao averages 78 frost days, 0 hot days (≥ 30 °C) and 180 rainy days per year.
Hongqiao 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 96 to 60 per year over the period.
The hottest day of the period reached 30.5 °C (on 31 May 2023) and the coldest -22.0 °C (on 27 December 1982).
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
HongqiaoYunnan
- coords
- 27.43°, 100.80°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.4°C
Average daily high
15.4°C
Average daily low
6.1°C
Annual rainfall
1,358mm
Sunshine / day
9.4h
Mean relative humidity
69%
Average peak wind
10.1km/h
Seasonal range
13.2°C
Frost days (< 0 °C)
78 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
180 d/yr
Annual snowfall
31.4 cm
Average feels-like high
13.8 °C
Average feels-like low
4.4 °C
Average peak gust
37.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.55 · 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
30.5 °C
31 May 2023
Coldest day
-22.0 °C
27 December 1982
Wettest day
61 mm
22 June 2009
Windiest day
24.7 km/h
27 February 1976
Strongest gust
88.2 km/h
20 February 1989
Hottest feels-like
28.5 °C
19 May 1969
Coldest feels-like
-27.4 °C
27 December 1982
Snowiest day
20.4 cm
19 October 1956
Sunniest day
13.3 h
6 June 2018
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 | 10.2 °C | +1.8 °C | 24 mm | +8 mm |
| Feb | 10.6 °C | +0.4 °C | 17 mm | -5 mm |
| Mar | 13.2 °C | -0.9 °C | 47 mm | +21 mm |
| Apr | 19.2 °C | +1.6 °C | 38 mm | -1 mm |
| May | 19.4 °C | -0.5 °C | 118 mm | +18 mm |
| Jun | 21.0 °C | +1.1 °C | 238 mm | +4 mm |
| Jul | 22.2 °C | +2.3 °C | 263 mm | -33 mm |
| Aug | 20.7 °C | +1.0 °C | 349 mm | +83 mm |
| Sep | 20.2 °C | +2.2 °C | 196 mm | -7 mm |
| Oct | 17.9 °C | +2.4 °C | 63 mm | -42 mm |
| Nov | 12.6 °C | +0.5 °C | 76 mm | +43 mm |
| Dec | 11.2 °C | +2.0 °C | 12 mm | -5 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 Hongqiao?
Hongqiao has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 10.4 °C and it receives 1,358 mm of precipitation per year.
What is the hottest day ever recorded in Hongqiao?
The hottest day measured in Hongqiao between 1940 and 2025 was 31 May 2023, reaching 30.5 °C.
What is the coldest day in Hongqiao?
The coldest day measured in Hongqiao between 1940 and 2025 was 27 December 1982, at -22.0 °C.
Does it snow in Hongqiao?
Yes. Hongqiao gets on average 31.4 cm of snow per year and has around 78 frost days.
Has the climate of Hongqiao warmed?
Yes: Hongqiao warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hongqiao?
The wettest day measured in Hongqiao between 1940 and 2025 was 22 June 2009, with 61 mm of rain in 24 hours.
What was the windiest day in Hongqiao?
The windiest day measured in Hongqiao between 1940 and 2025 was 27 February 1976, with winds reaching 24.7 km/h.
What is the warmest month in Hongqiao?
The warmest month in Hongqiao is July (16.0 °C on average); the coldest is January (2.8 °C).
How much does it rain in Hongqiao?
Hongqiao receives on average 1,358 mm of precipitation per year, spread over about 180 rainy days.
Is it sunny in Hongqiao?
Hongqiao gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hongqiao?
The heaviest 24-hour snowfall measured in Hongqiao between 1940 and 2025 was 19 October 1956, with 20.4 cm.
Are there tropical nights in Hongqiao?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Hongqiao.
What was the most extreme apparent temperature in Hongqiao?
In Hongqiao, between 1940 and 2025, the highest apparent temperature reached 28.5 °C on 19 May 1969, and the lowest was -27.4 °C on 27 December 1982.
Compare Hongqiao with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hongqiao