Nanma climate — normals and trends
Nanma (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 11.5 °C and it receives 806 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 (24.7 °C on average) and the coldest is January (-3.5 °C). Rainfall peaks in July.
Nanma averages 112 frost days, 24 hot days (≥ 30 °C) and 89 rainy days per year.
Nanma 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 124 to 100 per year over the period.
The hottest day of the period reached 38.4 °C (on 19 June 1942) and the coldest -24.4 °C (on 16 January 1958).
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
NanmaShandong
- coords
- 36.18°, 118.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.5°C
Average daily high
16.2°C
Average daily low
7.3°C
Annual rainfall
806mm
Sunshine / day
8.8h
Mean relative humidity
68%
Average peak wind
15.1km/h
Seasonal range
28.2°C
Frost days (< 0 °C)
112 d/yr
Hot days (≥ 30 °C)
24 d/yr
Rainy days (≥ 1 mm)
89 d/yr
Annual snowfall
25.9 cm
Average feels-like high
14.8 °C
Average feels-like low
5.4 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
49 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
38.4 °C
19 June 1942
Coldest day
-24.4 °C
16 January 1958
Wettest day
166 mm
16 July 1954
Windiest day
41.9 km/h
2 August 1940
Strongest gust
96.1 km/h
27 June 1960
Hottest feels-like
41.7 °C
29 July 1958
Coldest feels-like
-29.8 °C
16 January 1958
Snowiest day
24.2 cm
19 November 1962
Sunniest day
14.0 h
19 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 | 4.9 °C | +3.7 °C | 2 mm | -9 mm |
| Feb | 5.4 °C | +1.5 °C | 4 mm | -13 mm |
| Mar | 12.7 °C | +2.5 °C | 68 mm | +43 mm |
| Apr | 21.3 °C | +3.8 °C | 38 mm | -8 mm |
| May | 24.2 °C | +1.1 °C | 35 mm | -28 mm |
| Jun | 29.6 °C | +2.6 °C | 60 mm | -39 mm |
| Jul | 32.5 °C | +4.1 °C | 63 mm | -149 mm |
| Aug | 31.0 °C | +3.2 °C | 126 mm | -43 mm |
| Sep | 24.8 °C | +1.1 °C | 176 mm | +93 mm |
| Oct | 16.1 °C | -1.8 °C | 157 mm | +115 mm |
| Nov | 13.6 °C | +3.5 °C | 3 mm | -23 mm |
| Dec | 5.7 °C | +2.5 °C | 15 mm | +2 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 Nanma?
Nanma has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 11.5 °C and it receives 806 mm of precipitation per year.
What is the hottest day ever recorded in Nanma?
The hottest day measured in Nanma between 1940 and 2025 was 19 June 1942, reaching 38.4 °C.
What is the coldest day in Nanma?
The coldest day measured in Nanma between 1940 and 2025 was 16 January 1958, at -24.4 °C.
Does it snow in Nanma?
Yes. Nanma gets on average 25.9 cm of snow per year and has around 112 frost days.
Has the climate of Nanma warmed?
Yes: Nanma warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nanma?
The wettest day measured in Nanma between 1940 and 2025 was 16 July 1954, with 166 mm of rain in 24 hours.
What was the windiest day in Nanma?
The windiest day measured in Nanma between 1940 and 2025 was 2 August 1940, with winds reaching 41.9 km/h.
What is the warmest month in Nanma?
The warmest month in Nanma is July (24.7 °C on average); the coldest is January (-3.5 °C).
How much does it rain in Nanma?
Nanma receives on average 806 mm of precipitation per year, spread over about 89 rainy days.
Is it sunny in Nanma?
Nanma gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nanma?
The heaviest 24-hour snowfall measured in Nanma between 1940 and 2025 was 19 November 1962, with 24.2 cm.
Are there tropical nights in Nanma?
Yes: Nanma has on average 49 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nanma?
In Nanma, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 29 July 1958, and the lowest was -29.8 °C on 16 January 1958.
Compare Nanma with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nanma