Sanming climate — normals and trends
Sanming (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.6 °C and it receives 1,526 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 (27.3 °C on average) and the coldest is January (8.8 °C). Rainfall peaks in June.
Sanming averages 9 frost days, 90 hot days (≥ 30 °C) and 155 rainy days per year.
Sanming 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 14 to 4 per year over the period.
The hottest day of the period reached 39.2 °C (on 16 August 1953) and the coldest -11.5 °C (on 16 December 1975).
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
SanmingFujian
- coords
- 26.25°, 117.62°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.6°C
Average daily high
23.4°C
Average daily low
14.7°C
Annual rainfall
1,526mm
Sunshine / day
7.5h
Mean relative humidity
78%
Average peak wind
8.5km/h
Seasonal range
18.5°C
Frost days (< 0 °C)
9 d/yr
Hot days (≥ 30 °C)
90 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
2.6 cm
Average feels-like high
24.9 °C
Average feels-like low
15.6 °C
Average peak gust
29.1 km/h
Tropical nights (≥ 20 °C)
124 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.59 · 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
39.2 °C
16 August 1953
Coldest day
-11.5 °C
16 December 1975
Wettest day
166 mm
16 May 1940
Windiest day
30.1 km/h
28 September 2016
Strongest gust
105.1 km/h
28 September 2016
Hottest feels-like
44.9 °C
21 July 2024
Coldest feels-like
-15.4 °C
16 December 1975
Snowiest day
14.5 cm
13 December 1975
Sunniest day
13.5 h
15 June 1970
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 | 16.6 °C | +3.0 °C | 6 mm | -46 mm |
| Feb | 15.0 °C | +0.1 °C | 49 mm | -35 mm |
| Mar | 20.9 °C | +2.1 °C | 159 mm | +19 mm |
| Apr | 25.0 °C | +1.7 °C | 239 mm | +49 mm |
| May | 27.4 °C | +0.8 °C | 217 mm | -39 mm |
| Jun | 31.9 °C | +2.8 °C | 107 mm | -160 mm |
| Jul | 32.3 °C | -0.3 °C | 292 mm | +163 mm |
| Aug | 33.2 °C | +1.2 °C | 81 mm | -68 mm |
| Sep | 32.6 °C | +3.1 °C | 117 mm | +8 mm |
| Oct | 28.8 °C | +3.7 °C | 38 mm | -19 mm |
| Nov | 20.9 °C | +0.9 °C | 37 mm | -13 mm |
| Dec | 19.2 °C | +4.0 °C | 11 mm | -33 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 Sanming?
Sanming has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.6 °C and it receives 1,526 mm of precipitation per year.
What is the hottest day ever recorded in Sanming?
The hottest day measured in Sanming between 1940 and 2025 was 16 August 1953, reaching 39.2 °C.
What is the coldest day in Sanming?
The coldest day measured in Sanming between 1940 and 2025 was 16 December 1975, at -11.5 °C.
Does it snow in Sanming?
Yes. Sanming gets on average 2.6 cm of snow per year and has around 9 frost days.
Has the climate of Sanming warmed?
Yes: Sanming warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sanming?
The wettest day measured in Sanming between 1940 and 2025 was 16 May 1940, with 166 mm of rain in 24 hours.
What was the windiest day in Sanming?
The windiest day measured in Sanming between 1940 and 2025 was 28 September 2016, with winds reaching 30.1 km/h.
What is the warmest month in Sanming?
The warmest month in Sanming is July (27.3 °C on average); the coldest is January (8.8 °C).
How much does it rain in Sanming?
Sanming receives on average 1,526 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Sanming?
Sanming gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sanming?
The heaviest 24-hour snowfall measured in Sanming between 1940 and 2025 was 13 December 1975, with 14.5 cm.
Are there tropical nights in Sanming?
Yes: Sanming has on average 124 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sanming?
In Sanming, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 21 July 2024, and the lowest was -15.4 °C on 16 December 1975.
Compare Sanming with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sanming