Baima climate — normals and trends
Baima (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.8 °C and it receives 1,543 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 (25.7 °C on average) and the coldest is January (5.1 °C). Rainfall peaks in May.
Baima averages 13 frost days, 42 hot days (≥ 30 °C) and 180 rainy days per year.
Baima has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 20 to 6 per year over the period.
The hottest day of the period reached 39.4 °C (on 15 August 2006) and the coldest -11.6 °C (on 6 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
BaimaChongqing Municipality
- coords
- 29.40°, 107.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.8°C
Average daily high
19.2°C
Average daily low
12.7°C
Annual rainfall
1,543mm
Sunshine / day
6.0h
Mean relative humidity
80%
Average peak wind
7.7km/h
Seasonal range
20.6°C
Frost days (< 0 °C)
13 d/yr
Hot days (≥ 30 °C)
42 d/yr
Rainy days (≥ 1 mm)
180 d/yr
Annual snowfall
11.6 cm
Average feels-like high
20.1 °C
Average feels-like low
12.8 °C
Average peak gust
28.2 km/h
Tropical nights (≥ 20 °C)
80 d/yr
Solar radiation
11.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.35 · 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
39.4 °C
15 August 2006
Coldest day
-11.6 °C
6 January 1955
Wettest day
142 mm
3 July 1948
Windiest day
33.7 km/h
28 May 1946
Strongest gust
104.0 km/h
24 June 1946
Hottest feels-like
44.1 °C
5 August 1994
Coldest feels-like
-15.8 °C
6 January 1955
Snowiest day
15.4 cm
22 February 1989
Sunniest day
13.8 h
25 June 2020
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 | +2.2 °C | 62 mm | +17 mm |
| Feb | 9.5 °C | -0.3 °C | 34 mm | -17 mm |
| Mar | 15.2 °C | +0.4 °C | 97 mm | -9 mm |
| Apr | 22.7 °C | +2.7 °C | 123 mm | -34 mm |
| May | 25.3 °C | +1.8 °C | 182 mm | -23 mm |
| Jun | 27.1 °C | +0.9 °C | 294 mm | +90 mm |
| Jul | 32.2 °C | +2.5 °C | 181 mm | -8 mm |
| Aug | 32.8 °C | +2.8 °C | 85 mm | -69 mm |
| Sep | 27.7 °C | +2.3 °C | 141 mm | -6 mm |
| Oct | 21.9 °C | +2.4 °C | 175 mm | +37 mm |
| Nov | 15.0 °C | +0.4 °C | 96 mm | +2 mm |
| Dec | 11.7 °C | +2.3 °C | 63 mm | +8 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 Baima?
Baima has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 1,543 mm of precipitation per year.
What is the hottest day ever recorded in Baima?
The hottest day measured in Baima between 1940 and 2025 was 15 August 2006, reaching 39.4 °C.
What is the coldest day in Baima?
The coldest day measured in Baima between 1940 and 2025 was 6 January 1955, at -11.6 °C.
Does it snow in Baima?
Yes. Baima gets on average 11.6 cm of snow per year and has around 13 frost days.
Has the climate of Baima warmed?
Yes: Baima warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Baima?
The wettest day measured in Baima between 1940 and 2025 was 3 July 1948, with 142 mm of rain in 24 hours.
What was the windiest day in Baima?
The windiest day measured in Baima between 1940 and 2025 was 28 May 1946, with winds reaching 33.7 km/h.
What is the warmest month in Baima?
The warmest month in Baima is July (25.7 °C on average); the coldest is January (5.1 °C).
How much does it rain in Baima?
Baima receives on average 1,543 mm of precipitation per year, spread over about 180 rainy days.
Is it sunny in Baima?
Baima gets on average 6.0 hours of sunshine per day, roughly 2,190 hours per year over 1940-2025.
What is the biggest single-day snowfall in Baima?
The heaviest 24-hour snowfall measured in Baima between 1940 and 2025 was 22 February 1989, with 15.4 cm.
Are there tropical nights in Baima?
Yes: Baima has on average 80 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Baima?
In Baima, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 5 August 1994, and the lowest was -15.8 °C on 6 January 1955.
Compare Baima with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Baima