Baidi climate — normals and trends
Baidi (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.8 °C and it receives 1,447 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 (25.9 °C on average) and the coldest is January (4.8 °C). Rainfall peaks in July.
Baidi averages 15 frost days, 45 hot days (≥ 30 °C) and 153 rainy days per year.
Baidi 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 22 to 8 per year over the period.
The hottest day of the period reached 39.3 °C (on 16 July 2025) and the coldest -11.5 °C (on 23 January 1956).
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
BaidiChongqing Municipality
- coords
- 31.06°, 109.59°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.8°C
Average daily high
19.3°C
Average daily low
12.6°C
Annual rainfall
1,447mm
Sunshine / day
7.1h
Mean relative humidity
75%
Average peak wind
6.3km/h
Seasonal range
21.1°C
Frost days (< 0 °C)
15 d/yr
Hot days (≥ 30 °C)
45 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
18.3 cm
Average feels-like high
20.0 °C
Average feels-like low
12.7 °C
Average peak gust
24.6 km/h
Tropical nights (≥ 20 °C)
85 d/yr
Solar radiation
12.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.34 · 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
39.3 °C
16 July 2025
Coldest day
-11.5 °C
23 January 1956
Wettest day
299 mm
20 July 1987
Windiest day
18.1 km/h
23 May 1946
Strongest gust
77.8 km/h
28 May 1946
Hottest feels-like
43.6 °C
23 July 1961
Coldest feels-like
-15.6 °C
23 January 1956
Snowiest day
10.7 cm
1 February 1943
Sunniest day
13.7 h
29 June 1970
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 | 10.1 °C | +2.3 °C | 53 mm | +13 mm |
| Feb | 9.8 °C | +0.1 °C | 24 mm | -26 mm |
| Mar | 15.1 °C | +0.5 °C | 115 mm | +26 mm |
| Apr | 22.9 °C | +3.0 °C | 68 mm | -55 mm |
| May | 26.5 °C | +2.7 °C | 96 mm | -63 mm |
| Jun | 28.0 °C | +0.9 °C | 159 mm | -29 mm |
| Jul | 35.1 °C | +5.3 °C | 36 mm | -213 mm |
| Aug | 32.7 °C | +2.6 °C | 174 mm | +19 mm |
| Sep | 26.9 °C | +1.3 °C | 184 mm | +28 mm |
| Oct | 21.0 °C | +1.2 °C | 273 mm | +158 mm |
| Nov | 15.6 °C | +1.1 °C | 45 mm | -34 mm |
| Dec | 12.1 °C | +2.7 °C | 48 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 Baidi?
Baidi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 1,447 mm of precipitation per year.
What is the hottest day ever recorded in Baidi?
The hottest day measured in Baidi between 1940 and 2025 was 16 July 2025, reaching 39.3 °C.
What is the coldest day in Baidi?
The coldest day measured in Baidi between 1940 and 2025 was 23 January 1956, at -11.5 °C.
Does it snow in Baidi?
Yes. Baidi gets on average 18.3 cm of snow per year and has around 15 frost days.
Has the climate of Baidi warmed?
Yes: Baidi warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Baidi?
The wettest day measured in Baidi between 1940 and 2025 was 20 July 1987, with 299 mm of rain in 24 hours.
What was the windiest day in Baidi?
The windiest day measured in Baidi between 1940 and 2025 was 23 May 1946, with winds reaching 18.1 km/h.
What is the warmest month in Baidi?
The warmest month in Baidi is July (25.9 °C on average); the coldest is January (4.8 °C).
How much does it rain in Baidi?
Baidi receives on average 1,447 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Baidi?
Baidi gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Baidi?
The heaviest 24-hour snowfall measured in Baidi between 1940 and 2025 was 1 February 1943, with 10.7 cm.
Are there tropical nights in Baidi?
Yes: Baidi has on average 85 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Baidi?
In Baidi, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 23 July 1961, and the lowest was -15.6 °C on 23 January 1956.
Compare Baidi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Baidi