Dali climate — normals and trends
Dali (China) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 14.6 °C and it receives 1,322 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 June (19.6 °C on average) and the coldest is January (7.7 °C). Rainfall peaks in August.
Dali averages 3 frost days, 1 hot days (≥ 30 °C) and 171 rainy days per year.
Dali has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 6 to 0 per year over the period.
The hottest day of the period reached 33.0 °C (on 31 May 2023) and the coldest -6.5 °C (on 29 December 1983).
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
DaliYunnan
- coords
- 25.58°, 100.21°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.6°C
Average daily high
20.0°C
Average daily low
10.2°C
Annual rainfall
1,322mm
Sunshine / day
9.3h
Mean relative humidity
71%
Average peak wind
11.3km/h
Seasonal range
11.9°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
171 d/yr
Annual snowfall
1.7 cm
Average feels-like high
19.2 °C
Average feels-like low
9.4 °C
Average peak gust
42.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
16.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.77 · 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
33.0 °C
31 May 2023
Coldest day
-6.5 °C
29 December 1983
Wettest day
85 mm
29 June 1993
Windiest day
26.7 km/h
20 February 1989
Strongest gust
94.7 km/h
22 March 1993
Hottest feels-like
33.3 °C
6 July 1979
Coldest feels-like
-10.3 °C
29 December 1983
Snowiest day
16.2 cm
28 December 1983
Sunniest day
13.1 h
8 June 1943
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 | 15.2 °C | +0.9 °C | 18 mm | -3 mm |
| Feb | 17.8 °C | +1.6 °C | 9 mm | -15 mm |
| Mar | 20.0 °C | +0.5 °C | 37 mm | +10 mm |
| Apr | 24.1 °C | +1.8 °C | 24 mm | -10 mm |
| May | 23.1 °C | -0.9 °C | 171 mm | +81 mm |
| Jun | 24.6 °C | +0.9 °C | 275 mm | +61 mm |
| Jul | 25.3 °C | +2.3 °C | 321 mm | +44 mm |
| Aug | 24.0 °C | +0.8 °C | 293 mm | +16 mm |
| Sep | 23.9 °C | +1.5 °C | 221 mm | +26 mm |
| Oct | 21.9 °C | +1.7 °C | 124 mm | +13 mm |
| Nov | 17.5 °C | +0.3 °C | 67 mm | +32 mm |
| Dec | 16.5 °C | +1.9 °C | 1 mm | -17 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 Dali?
Dali has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 14.6 °C and it receives 1,322 mm of precipitation per year.
What is the hottest day ever recorded in Dali?
The hottest day measured in Dali between 1940 and 2025 was 31 May 2023, reaching 33.0 °C.
What is the coldest day in Dali?
The coldest day measured in Dali between 1940 and 2025 was 29 December 1983, at -6.5 °C.
Does it snow in Dali?
Yes. Dali gets on average 1.7 cm of snow per year and has around 3 frost days.
Has the climate of Dali warmed?
Yes: Dali warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dali?
The wettest day measured in Dali between 1940 and 2025 was 29 June 1993, with 85 mm of rain in 24 hours.
What was the windiest day in Dali?
The windiest day measured in Dali between 1940 and 2025 was 20 February 1989, with winds reaching 26.7 km/h.
What is the warmest month in Dali?
The warmest month in Dali is June (19.6 °C on average); the coldest is January (7.7 °C).
How much does it rain in Dali?
Dali receives on average 1,322 mm of precipitation per year, spread over about 171 rainy days.
Is it sunny in Dali?
Dali gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dali?
The heaviest 24-hour snowfall measured in Dali between 1940 and 2025 was 28 December 1983, with 16.2 cm.
Are there tropical nights in Dali?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Dali.
What was the most extreme apparent temperature in Dali?
In Dali, between 1940 and 2025, the highest apparent temperature reached 33.3 °C on 6 July 1979, and the lowest was -10.3 °C on 29 December 1983.
Compare Dali with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dali