Hongbao climate — normals and trends
Hongbao (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 728 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 (21.3 °C on average) and the coldest is January (-3.9 °C). Rainfall peaks in July.
Hongbao averages 121 frost days, 6 hot days (≥ 30 °C) and 105 rainy days per year.
Hongbao 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 130 to 112 per year over the period.
The hottest day of the period reached 35.1 °C (on 31 July 2021) and the coldest -27.8 °C (on 9 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
HongbaoGansu
- coords
- 34.75°, 106.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.5°C
Average daily high
14.6°C
Average daily low
5.0°C
Annual rainfall
728mm
Sunshine / day
8.1h
Mean relative humidity
69%
Average peak wind
13.0km/h
Seasonal range
25.2°C
Frost days (< 0 °C)
121 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
105 d/yr
Annual snowfall
38.1 cm
Average feels-like high
12.8 °C
Average feels-like low
2.7 °C
Average peak gust
30.1 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
14.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.52 · 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
35.1 °C
31 July 2021
Coldest day
-27.8 °C
9 January 1955
Wettest day
138 mm
23 August 1946
Windiest day
40.1 km/h
1 June 1946
Strongest gust
87.8 km/h
31 May 1946
Hottest feels-like
37.1 °C
4 August 2002
Coldest feels-like
-33.1 °C
9 January 1955
Snowiest day
11.5 cm
18 November 1961
Sunniest day
14.0 h
3 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 | 3.9 °C | +2.5 °C | 18 mm | +7 mm |
| Feb | 4.7 °C | +0.3 °C | 16 mm | +1 mm |
| Mar | 11.1 °C | +0.5 °C | 13 mm | -16 mm |
| Apr | 20.2 °C | +3.8 °C | 14 mm | -32 mm |
| May | 24.7 °C | +4.0 °C | 29 mm | -40 mm |
| Jun | 26.3 °C | +1.9 °C | 77 mm | -6 mm |
| Jul | 27.7 °C | +1.4 °C | 94 mm | -33 mm |
| Aug | 26.9 °C | +1.7 °C | 106 mm | -18 mm |
| Sep | 21.3 °C | +1.1 °C | 168 mm | +50 mm |
| Oct | 14.0 °C | -0.7 °C | 185 mm | +117 mm |
| Nov | 9.8 °C | +1.2 °C | 15 mm | -13 mm |
| Dec | 5.7 °C | +2.9 °C | 17 mm | +7 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 Hongbao?
Hongbao has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 728 mm of precipitation per year.
What is the hottest day ever recorded in Hongbao?
The hottest day measured in Hongbao between 1940 and 2025 was 31 July 2021, reaching 35.1 °C.
What is the coldest day in Hongbao?
The coldest day measured in Hongbao between 1940 and 2025 was 9 January 1955, at -27.8 °C.
Does it snow in Hongbao?
Yes. Hongbao gets on average 38.1 cm of snow per year and has around 121 frost days.
Has the climate of Hongbao warmed?
Yes: Hongbao warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hongbao?
The wettest day measured in Hongbao between 1940 and 2025 was 23 August 1946, with 138 mm of rain in 24 hours.
What was the windiest day in Hongbao?
The windiest day measured in Hongbao between 1940 and 2025 was 1 June 1946, with winds reaching 40.1 km/h.
What is the warmest month in Hongbao?
The warmest month in Hongbao is July (21.3 °C on average); the coldest is January (-3.9 °C).
How much does it rain in Hongbao?
Hongbao receives on average 728 mm of precipitation per year, spread over about 105 rainy days.
Is it sunny in Hongbao?
Hongbao gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hongbao?
The heaviest 24-hour snowfall measured in Hongbao between 1940 and 2025 was 18 November 1961, with 11.5 cm.
Are there tropical nights in Hongbao?
Yes: Hongbao has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hongbao?
In Hongbao, between 1940 and 2025, the highest apparent temperature reached 37.1 °C on 4 August 2002, and the lowest was -33.1 °C on 9 January 1955.
Compare Hongbao with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hongbao