Tianshui climate — normals and trends
Tianshui (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 9.4 °C and it receives 844 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 (21.0 °C on average) and the coldest is January (-3.8 °C). Rainfall peaks in July.
Tianshui averages 118 frost days, 4 hot days (≥ 30 °C) and 115 rainy days per year.
Tianshui has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 126 to 110 per year over the period.
The hottest day of the period reached 33.8 °C (on 10 July 2017) and the coldest -24.6 °C (on 25 January 1954).
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
TianshuiGansu
- coords
- 34.58°, 105.74°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.4°C
Average daily high
14.2°C
Average daily low
5.2°C
Annual rainfall
844mm
Sunshine / day
7.9h
Mean relative humidity
73%
Average peak wind
14.0km/h
Seasonal range
24.8°C
Frost days (< 0 °C)
118 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
115 d/yr
Annual snowfall
48.0 cm
Average feels-like high
12.3 °C
Average feels-like low
3.0 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
14.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.54 · 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
33.8 °C
10 July 2017
Coldest day
-24.6 °C
25 January 1954
Wettest day
136 mm
22 July 1946
Windiest day
45.1 km/h
31 May 1946
Strongest gust
90.4 km/h
31 May 1946
Hottest feels-like
36.8 °C
16 July 2025
Coldest feels-like
-29.5 °C
25 January 1954
Snowiest day
14.5 cm
18 November 1961
Sunniest day
14.0 h
31 May 1940
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 | 3.3 °C | +2.4 °C | 26 mm | +13 mm |
| Feb | 3.4 °C | -0.5 °C | 19 mm | +2 mm |
| Mar | 10.6 °C | +0.4 °C | 15 mm | -18 mm |
| Apr | 19.7 °C | +3.7 °C | 18 mm | -37 mm |
| May | 23.9 °C | +3.7 °C | 44 mm | -38 mm |
| Jun | 25.4 °C | +1.6 °C | 109 mm | +9 mm |
| Jul | 27.2 °C | +1.5 °C | 95 mm | -61 mm |
| Aug | 26.3 °C | +1.6 °C | 119 mm | -29 mm |
| Sep | 21.0 °C | +1.3 °C | 167 mm | +39 mm |
| Oct | 13.7 °C | -0.6 °C | 177 mm | +104 mm |
| Nov | 9.6 °C | +1.3 °C | 16 mm | -15 mm |
| Dec | 5.3 °C | +2.8 °C | 17 mm | +6 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 Tianshui?
Tianshui has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 9.4 °C and it receives 844 mm of precipitation per year.
What is the hottest day ever recorded in Tianshui?
The hottest day measured in Tianshui between 1940 and 2025 was 10 July 2017, reaching 33.8 °C.
What is the coldest day in Tianshui?
The coldest day measured in Tianshui between 1940 and 2025 was 25 January 1954, at -24.6 °C.
Does it snow in Tianshui?
Yes. Tianshui gets on average 48.0 cm of snow per year and has around 118 frost days.
Has the climate of Tianshui warmed?
Yes: Tianshui warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tianshui?
The wettest day measured in Tianshui between 1940 and 2025 was 22 July 1946, with 136 mm of rain in 24 hours.
What was the windiest day in Tianshui?
The windiest day measured in Tianshui between 1940 and 2025 was 31 May 1946, with winds reaching 45.1 km/h.
What is the warmest month in Tianshui?
The warmest month in Tianshui is July (21.0 °C on average); the coldest is January (-3.8 °C).
How much does it rain in Tianshui?
Tianshui receives on average 844 mm of precipitation per year, spread over about 115 rainy days.
Is it sunny in Tianshui?
Tianshui gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tianshui?
The heaviest 24-hour snowfall measured in Tianshui between 1940 and 2025 was 18 November 1961, with 14.5 cm.
Are there tropical nights in Tianshui?
Yes: Tianshui has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tianshui?
In Tianshui, between 1940 and 2025, the highest apparent temperature reached 36.8 °C on 16 July 2025, and the lowest was -29.5 °C on 25 January 1954.
Compare Tianshui with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tianshui