Guanba climate — normals and trends
Guanba (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 1,637 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 (5.2 °C). Rainfall peaks in June.
Guanba averages 10 frost days, 39 hot days (≥ 30 °C) and 209 rainy days per year.
Guanba has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The number of frost days there went from about 15 to 5 per year over the period.
The hottest day of the period reached 41.1 °C (on 23 July 1961) and the coldest -11.1 °C (on 16 December 1975).
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
GuanbaChongqing Municipality
- coords
- 28.80°, 106.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.7°C
Average daily high
19.0°C
Average daily low
12.8°C
Annual rainfall
1,637mm
Sunshine / day
5.4h
Mean relative humidity
80%
Average peak wind
9.5km/h
Seasonal range
20.3°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
39 d/yr
Rainy days (≥ 1 mm)
209 d/yr
Annual snowfall
15.8 cm
Average feels-like high
19.6 °C
Average feels-like low
12.8 °C
Average peak gust
26.9 km/h
Tropical nights (≥ 20 °C)
76 d/yr
Solar radiation
10.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.28 · 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
41.1 °C
23 July 1961
Coldest day
-11.1 °C
16 December 1975
Wettest day
119 mm
17 August 1943
Windiest day
44.2 km/h
28 May 1946
Strongest gust
107.3 km/h
28 June 1946
Hottest feels-like
43.7 °C
23 July 1961
Coldest feels-like
-15.2 °C
16 December 1975
Snowiest day
13.2 cm
11 January 1999
Sunniest day
13.8 h
27 June 2023
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 | 10.0 °C | +2.3 °C | 75 mm | +9 mm |
| Feb | 9.1 °C | -0.7 °C | 70 mm | +7 mm |
| Mar | 14.6 °C | -0.3 °C | 109 mm | +3 mm |
| Apr | 22.1 °C | +2.2 °C | 119 mm | -35 mm |
| May | 24.4 °C | +1.2 °C | 201 mm | -10 mm |
| Jun | 27.0 °C | +1.2 °C | 199 mm | -21 mm |
| Jul | 31.2 °C | +1.8 °C | 246 mm | +70 mm |
| Aug | 31.6 °C | +2.0 °C | 86 mm | -68 mm |
| Sep | 28.3 °C | +3.1 °C | 100 mm | -50 mm |
| Oct | 22.1 °C | +3.0 °C | 180 mm | +24 mm |
| Nov | 14.4 °C | 0.0 °C | 112 mm | +5 mm |
| Dec | 11.3 °C | +2.0 °C | 64 mm | -9 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 Guanba?
Guanba has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 1,637 mm of precipitation per year.
What is the hottest day ever recorded in Guanba?
The hottest day measured in Guanba between 1940 and 2025 was 23 July 1961, reaching 41.1 °C.
What is the coldest day in Guanba?
The coldest day measured in Guanba between 1940 and 2025 was 16 December 1975, at -11.1 °C.
Does it snow in Guanba?
Yes. Guanba gets on average 15.8 cm of snow per year and has around 10 frost days.
Has the climate of Guanba warmed?
Yes: Guanba warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guanba?
The wettest day measured in Guanba between 1940 and 2025 was 17 August 1943, with 119 mm of rain in 24 hours.
What was the windiest day in Guanba?
The windiest day measured in Guanba between 1940 and 2025 was 28 May 1946, with winds reaching 44.2 km/h.
What is the warmest month in Guanba?
The warmest month in Guanba is July (25.5 °C on average); the coldest is January (5.2 °C).
How much does it rain in Guanba?
Guanba receives on average 1,637 mm of precipitation per year, spread over about 209 rainy days.
Is it sunny in Guanba?
Guanba gets on average 5.4 hours of sunshine per day, roughly 1,971 hours per year over 1940-2025.
What is the biggest single-day snowfall in Guanba?
The heaviest 24-hour snowfall measured in Guanba between 1940 and 2025 was 11 January 1999, with 13.2 cm.
Are there tropical nights in Guanba?
Yes: Guanba has on average 76 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guanba?
In Guanba, between 1940 and 2025, the highest apparent temperature reached 43.7 °C on 23 July 1961, and the lowest was -15.2 °C on 16 December 1975.
Compare Guanba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guanba