Tanggu climate — normals and trends
Tanggu (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 12.5 °C and it receives 707 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 (25.3 °C on average) and the coldest is January (-2.1 °C). Rainfall peaks in July.
Tanggu averages 85 frost days, 5 hot days (≥ 30 °C) and 69 rainy days per year.
Tanggu has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 95 to 75 per year over the period.
The hottest day of the period reached 35.0 °C (on 5 July 2023) and the coldest -16.5 °C (on 7 January 2021).
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
TangguTianjin Municipality
- coords
- 39.02°, 117.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.5°C
Average daily high
14.8°C
Average daily low
10.2°C
Annual rainfall
707mm
Sunshine / day
9.4h
Mean relative humidity
67%
Average peak wind
23.3km/h
Seasonal range
27.4°C
Frost days (< 0 °C)
85 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
69 d/yr
Annual snowfall
15.1 cm
Average feels-like high
13.4 °C
Average feels-like low
7.5 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
93 d/yr
Solar radiation
15.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.49 · 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
35.0 °C
5 July 2023
Coldest day
-16.5 °C
7 January 2021
Wettest day
253 mm
15 August 1947
Windiest day
60.8 km/h
3 January 1986
Strongest gust
94.0 km/h
25 November 1951
Hottest feels-like
42.0 °C
5 August 2022
Coldest feels-like
-25.7 °C
15 January 1958
Snowiest day
20.8 cm
7 November 2021
Sunniest day
14.0 h
7 July 1955
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 | 2.6 °C | +2.2 °C | 3 mm | -2 mm |
| Feb | 3.1 °C | +1.1 °C | 0 mm | -8 mm |
| Mar | 10.4 °C | +3.1 °C | 3 mm | -11 mm |
| Apr | 17.4 °C | +3.1 °C | 16 mm | -21 mm |
| May | 22.0 °C | +1.8 °C | 58 mm | +4 mm |
| Jun | 27.5 °C | +3.2 °C | 34 mm | -53 mm |
| Jul | 30.3 °C | +3.4 °C | 153 mm | -31 mm |
| Aug | 29.4 °C | +2.3 °C | 295 mm | +116 mm |
| Sep | 26.2 °C | +2.0 °C | 22 mm | -50 mm |
| Oct | 16.3 °C | -1.7 °C | 130 mm | +91 mm |
| Nov | 11.9 °C | +1.9 °C | 3 mm | -16 mm |
| Dec | 4.0 °C | +1.0 °C | 4 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 Tanggu?
Tanggu has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.5 °C and it receives 707 mm of precipitation per year.
What is the hottest day ever recorded in Tanggu?
The hottest day measured in Tanggu between 1940 and 2025 was 5 July 2023, reaching 35.0 °C.
What is the coldest day in Tanggu?
The coldest day measured in Tanggu between 1940 and 2025 was 7 January 2021, at -16.5 °C.
Does it snow in Tanggu?
Yes. Tanggu gets on average 15.1 cm of snow per year and has around 85 frost days.
Has the climate of Tanggu warmed?
Yes: Tanggu warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tanggu?
The wettest day measured in Tanggu between 1940 and 2025 was 15 August 1947, with 253 mm of rain in 24 hours.
What was the windiest day in Tanggu?
The windiest day measured in Tanggu between 1940 and 2025 was 3 January 1986, with winds reaching 60.8 km/h.
What is the warmest month in Tanggu?
The warmest month in Tanggu is July (25.3 °C on average); the coldest is January (-2.1 °C).
How much does it rain in Tanggu?
Tanggu receives on average 707 mm of precipitation per year, spread over about 69 rainy days.
Is it sunny in Tanggu?
Tanggu gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tanggu?
The heaviest 24-hour snowfall measured in Tanggu between 1940 and 2025 was 7 November 2021, with 20.8 cm.
Are there tropical nights in Tanggu?
Yes: Tanggu has on average 93 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tanggu?
In Tanggu, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 5 August 2022, and the lowest was -25.7 °C on 15 January 1958.
Compare Tanggu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tanggu