Xianju climate — normals and trends
Xianju (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 1,715 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 (27.0 °C on average) and the coldest is January (4.9 °C). Rainfall peaks in June.
Xianju averages 30 frost days, 61 hot days (≥ 30 °C) and 168 rainy days per year.
Xianju has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 43 to 17 per year over the period.
The hottest day of the period reached 40.1 °C (on 23 July 2022) and the coldest -17.9 °C (on 16 January 1970).
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
XianjuZhejiang
- coords
- 28.85°, 120.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
20.5°C
Average daily low
12.6°C
Annual rainfall
1,715mm
Sunshine / day
7.1h
Mean relative humidity
79%
Average peak wind
9.8km/h
Seasonal range
22.1°C
Frost days (< 0 °C)
30 d/yr
Hot days (≥ 30 °C)
61 d/yr
Rainy days (≥ 1 mm)
168 d/yr
Annual snowfall
18.8 cm
Average feels-like high
21.6 °C
Average feels-like low
12.9 °C
Average peak gust
30.8 km/h
Tropical nights (≥ 20 °C)
100 d/yr
Solar radiation
13.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.62 · 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
40.1 °C
23 July 2022
Coldest day
-17.9 °C
16 January 1970
Wettest day
259 mm
21 July 1989
Windiest day
44.6 km/h
12 August 2004
Strongest gust
157.0 km/h
12 August 2004
Hottest feels-like
45.4 °C
4 August 2024
Coldest feels-like
-22.9 °C
16 January 1970
Snowiest day
20.2 cm
15 February 1961
Sunniest day
13.8 h
15 June 2019
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 | 12.5 °C | +3.3 °C | 14 mm | -43 mm |
| Feb | 11.0 °C | +0.4 °C | 66 mm | -11 mm |
| Mar | 17.9 °C | +3.0 °C | 88 mm | -35 mm |
| Apr | 24.3 °C | +4.0 °C | 144 mm | -19 mm |
| May | 26.4 °C | +2.1 °C | 247 mm | +5 mm |
| Jun | 30.9 °C | +3.5 °C | 295 mm | -28 mm |
| Jul | 31.1 °C | -0.4 °C | 227 mm | +44 mm |
| Aug | 34.1 °C | +3.3 °C | 74 mm | -113 mm |
| Sep | 33.0 °C | +5.9 °C | 133 mm | -28 mm |
| Oct | 26.6 °C | +4.6 °C | 92 mm | +10 mm |
| Nov | 18.0 °C | +1.1 °C | 81 mm | +13 mm |
| Dec | 15.3 °C | +3.8 °C | 12 mm | -38 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 Xianju?
Xianju has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 1,715 mm of precipitation per year.
What is the hottest day ever recorded in Xianju?
The hottest day measured in Xianju between 1940 and 2025 was 23 July 2022, reaching 40.1 °C.
What is the coldest day in Xianju?
The coldest day measured in Xianju between 1940 and 2025 was 16 January 1970, at -17.9 °C.
Does it snow in Xianju?
Yes. Xianju gets on average 18.8 cm of snow per year and has around 30 frost days.
Has the climate of Xianju warmed?
Yes: Xianju warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Xianju?
The wettest day measured in Xianju between 1940 and 2025 was 21 July 1989, with 259 mm of rain in 24 hours.
What was the windiest day in Xianju?
The windiest day measured in Xianju between 1940 and 2025 was 12 August 2004, with winds reaching 44.6 km/h.
What is the warmest month in Xianju?
The warmest month in Xianju is July (27.0 °C on average); the coldest is January (4.9 °C).
How much does it rain in Xianju?
Xianju receives on average 1,715 mm of precipitation per year, spread over about 168 rainy days.
Is it sunny in Xianju?
Xianju 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 Xianju?
The heaviest 24-hour snowfall measured in Xianju between 1940 and 2025 was 15 February 1961, with 20.2 cm.
Are there tropical nights in Xianju?
Yes: Xianju has on average 100 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Xianju?
In Xianju, between 1940 and 2025, the highest apparent temperature reached 45.4 °C on 4 August 2024, and the lowest was -22.9 °C on 16 January 1970.
Compare Xianju with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Xianju