Tanjia climate — normals and trends
Tanjia (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 1,921 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 (24.3 °C on average) and the coldest is January (3.4 °C). Rainfall peaks in July.
Tanjia averages 32 frost days, 21 hot days (≥ 30 °C) and 194 rainy days per year.
Tanjia has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The number of frost days there went from about 39 to 25 per year over the period.
The hottest day of the period reached 36.8 °C (on 24 August 1959) and the coldest -16.1 °C (on 28 December 1991).
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
TanjiaChongqing Municipality
- coords
- 31.46°, 108.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
17.9°C
Average daily low
11.0°C
Annual rainfall
1,921mm
Sunshine / day
6.9h
Mean relative humidity
79%
Average peak wind
6.7km/h
Seasonal range
20.9°C
Frost days (< 0 °C)
32 d/yr
Hot days (≥ 30 °C)
21 d/yr
Rainy days (≥ 1 mm)
194 d/yr
Annual snowfall
29.2 cm
Average feels-like high
18.4 °C
Average feels-like low
10.7 °C
Average peak gust
25.1 km/h
Tropical nights (≥ 20 °C)
55 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 = 0.25 · 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
36.8 °C
24 August 1959
Coldest day
-16.1 °C
28 December 1991
Wettest day
189 mm
30 June 1991
Windiest day
23.9 km/h
23 June 1946
Strongest gust
87.8 km/h
3 July 1946
Hottest feels-like
41.4 °C
23 July 1961
Coldest feels-like
-20.8 °C
28 December 1991
Snowiest day
15.2 cm
13 January 1957
Sunniest day
13.8 h
6 July 2022
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 8.4 °C | +1.9 °C | 63 mm | +7 mm |
| Feb | 8.4 °C | -0.2 °C | 38 mm | -29 mm |
| Mar | 13.8 °C | +0.3 °C | 112 mm | -2 mm |
| Apr | 21.4 °C | +2.8 °C | 80 mm | -63 mm |
| May | 24.8 °C | +2.5 °C | 115 mm | -85 mm |
| Jun | 26.1 °C | +0.7 °C | 196 mm | -30 mm |
| Jul | 31.8 °C | +3.8 °C | 162 mm | -147 mm |
| Aug | 30.5 °C | +2.1 °C | 216 mm | -7 mm |
| Sep | 25.3 °C | +1.5 °C | 374 mm | +127 mm |
| Oct | 19.9 °C | +1.6 °C | 331 mm | +163 mm |
| Nov | 13.9 °C | +0.8 °C | 79 mm | -27 mm |
| Dec | 10.4 °C | +2.4 °C | 60 mm | -4 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 Tanjia?
Tanjia has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 1,921 mm of precipitation per year.
What is the hottest day ever recorded in Tanjia?
The hottest day measured in Tanjia between 1940 and 2025 was 24 August 1959, reaching 36.8 °C.
What is the coldest day in Tanjia?
The coldest day measured in Tanjia between 1940 and 2025 was 28 December 1991, at -16.1 °C.
Does it snow in Tanjia?
Yes. Tanjia gets on average 29.2 cm of snow per year and has around 32 frost days.
Has the climate of Tanjia warmed?
Yes: Tanjia warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tanjia?
The wettest day measured in Tanjia between 1940 and 2025 was 30 June 1991, with 189 mm of rain in 24 hours.
What was the windiest day in Tanjia?
The windiest day measured in Tanjia between 1940 and 2025 was 23 June 1946, with winds reaching 23.9 km/h.
What is the warmest month in Tanjia?
The warmest month in Tanjia is July (24.3 °C on average); the coldest is January (3.4 °C).
How much does it rain in Tanjia?
Tanjia receives on average 1,921 mm of precipitation per year, spread over about 194 rainy days.
Is it sunny in Tanjia?
Tanjia 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 Tanjia?
The heaviest 24-hour snowfall measured in Tanjia between 1940 and 2025 was 13 January 1957, with 15.2 cm.
Are there tropical nights in Tanjia?
Yes: Tanjia has on average 55 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tanjia?
In Tanjia, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 23 July 1961, and the lowest was -20.8 °C on 28 December 1991.
Compare Tanjia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tanjia