Tai’an climate — normals and trends
Tai’an (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.6 °C and it receives 1,500 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 (26.7 °C on average) and the coldest is January (5.9 °C). Rainfall peaks in July.
Tai’an averages 11 frost days, 59 hot days (≥ 30 °C) and 174 rainy days per year.
Tai’an has warmed by +0.9 °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 16 to 6 per year over the period.
The hottest day of the period reached 40.0 °C (on 3 August 2025) and the coldest -10.4 °C (on 12 February 1945).
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
Tai’anChongqing Municipality
- coords
- 30.80°, 108.66°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.6°C
Average daily high
20.5°C
Average daily low
13.0°C
Annual rainfall
1,500mm
Sunshine / day
6.9h
Mean relative humidity
77%
Average peak wind
7.9km/h
Seasonal range
20.8°C
Frost days (< 0 °C)
11 d/yr
Hot days (≥ 30 °C)
59 d/yr
Rainy days (≥ 1 mm)
174 d/yr
Annual snowfall
6.5 cm
Average feels-like high
21.6 °C
Average feels-like low
13.1 °C
Average peak gust
22.4 km/h
Tropical nights (≥ 20 °C)
89 d/yr
Solar radiation
12.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °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
40.0 °C
3 August 2025
Coldest day
-10.4 °C
12 February 1945
Wettest day
152 mm
13 July 1983
Windiest day
47.8 km/h
28 May 1946
Strongest gust
77.0 km/h
3 July 1946
Hottest feels-like
45.6 °C
24 July 1961
Coldest feels-like
-14.9 °C
12 January 1955
Snowiest day
6.9 cm
16 December 1965
Sunniest day
13.8 h
3 July 1990
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 | 11.0 °C | +1.8 °C | 65 mm | +16 mm |
| Feb | 10.8 °C | -0.5 °C | 42 mm | -13 mm |
| Mar | 16.2 °C | +0.1 °C | 112 mm | +19 mm |
| Apr | 23.7 °C | +2.5 °C | 80 mm | -49 mm |
| May | 27.6 °C | +2.8 °C | 75 mm | -87 mm |
| Jun | 28.7 °C | +0.9 °C | 162 mm | -26 mm |
| Jul | 35.4 °C | +4.5 °C | 43 mm | -182 mm |
| Aug | 33.8 °C | +2.6 °C | 160 mm | -14 mm |
| Sep | 28.7 °C | +2.1 °C | 215 mm | +50 mm |
| Oct | 23.0 °C | +2.1 °C | 200 mm | +80 mm |
| Nov | 16.1 °C | +0.4 °C | 73 mm | -12 mm |
| Dec | 13.1 °C | +2.5 °C | 55 mm | -0 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 Tai’an?
Tai’an has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.6 °C and it receives 1,500 mm of precipitation per year.
What is the hottest day ever recorded in Tai’an?
The hottest day measured in Tai’an between 1940 and 2025 was 3 August 2025, reaching 40.0 °C.
What is the coldest day in Tai’an?
The coldest day measured in Tai’an between 1940 and 2025 was 12 February 1945, at -10.4 °C.
Does it snow in Tai’an?
Yes. Tai’an gets on average 6.5 cm of snow per year and has around 11 frost days.
Has the climate of Tai’an warmed?
Yes: Tai’an warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tai’an?
The wettest day measured in Tai’an between 1940 and 2025 was 13 July 1983, with 152 mm of rain in 24 hours.
What was the windiest day in Tai’an?
The windiest day measured in Tai’an between 1940 and 2025 was 28 May 1946, with winds reaching 47.8 km/h.
What is the warmest month in Tai’an?
The warmest month in Tai’an is July (26.7 °C on average); the coldest is January (5.9 °C).
How much does it rain in Tai’an?
Tai’an receives on average 1,500 mm of precipitation per year, spread over about 174 rainy days.
Is it sunny in Tai’an?
Tai’an gets on average 6.9 hours of sunshine per day, roughly 2,519 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tai’an?
The heaviest 24-hour snowfall measured in Tai’an between 1940 and 2025 was 16 December 1965, with 6.9 cm.
Are there tropical nights in Tai’an?
Yes: Tai’an has on average 89 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tai’an?
In Tai’an, between 1940 and 2025, the highest apparent temperature reached 45.6 °C on 24 July 1961, and the lowest was -14.9 °C on 12 January 1955.
Compare Tai’an with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tai’an