Hami climate — normals and trends
Hami (China) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 11.9 °C and it receives 39 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 (29.7 °C on average) and the coldest is January (-9.0 °C). Rainfall peaks in October.
Hami averages 137 frost days, 108 hot days (≥ 30 °C) and 10 rainy days per year.
No statistically significant temperature trend emerges for Hami between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 45.4 °C (on 31 July 1999) and the coldest -30.6 °C (on 25 December 2002).
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
HamiXinjiang
- coords
- 42.83°, 93.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.9°C
Average daily high
18.5°C
Average daily low
5.1°C
Annual rainfall
39mm
Sunshine / day
10.8h
Mean relative humidity
34%
Average peak wind
15.8km/h
Seasonal range
38.7°C
Frost days (< 0 °C)
137 d/yr
Hot days (≥ 30 °C)
108 d/yr
Rainy days (≥ 1 mm)
10 d/yr
Annual snowfall
6.8 cm
Average feels-like high
15.2 °C
Average feels-like low
1.0 °C
Average peak gust
27.0 km/h
Tropical nights (≥ 20 °C)
62 d/yr
Solar radiation
17.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
45.4 °C
31 July 1999
Coldest day
-30.6 °C
25 December 2002
Wettest day
23 mm
18 April 1964
Windiest day
61.5 km/h
19 May 1986
Strongest gust
92.5 km/h
19 May 1986
Hottest feels-like
44.8 °C
31 July 1999
Coldest feels-like
-35.7 °C
30 January 1958
Snowiest day
9.0 cm
6 November 1992
Sunniest day
14.3 h
15 June 2025
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 | -1.5 °C | +1.0 °C | 1 mm | -0 mm |
| Feb | 4.8 °C | +0.8 °C | 0 mm | -2 mm |
| Mar | 12.8 °C | -0.8 °C | 0 mm | -3 mm |
| Apr | 23.3 °C | +1.2 °C | 4 mm | -1 mm |
| May | 30.4 °C | +1.7 °C | 1 mm | -2 mm |
| Jun | 35.8 °C | +2.0 °C | 1 mm | -3 mm |
| Jul | 38.0 °C | +2.2 °C | 7 mm | +3 mm |
| Aug | 34.2 °C | -0.2 °C | 1 mm | -4 mm |
| Sep | 27.6 °C | -0.5 °C | 6 mm | +3 mm |
| Oct | 18.8 °C | +0.1 °C | 1 mm | -4 mm |
| Nov | 8.2 °C | +1.3 °C | 3 mm | -1 mm |
| Dec | -1.0 °C | +0.9 °C | 5 mm | +4 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 Hami?
Hami has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 11.9 °C and it receives 39 mm of precipitation per year.
What is the hottest day ever recorded in Hami?
The hottest day measured in Hami between 1940 and 2025 was 31 July 1999, reaching 45.4 °C.
What is the coldest day in Hami?
The coldest day measured in Hami between 1940 and 2025 was 25 December 2002, at -30.6 °C.
Does it snow in Hami?
Yes. Hami gets on average 6.8 cm of snow per year and has around 137 frost days.
Has the climate of Hami warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Hami.
What is the wettest day in Hami?
The wettest day measured in Hami between 1940 and 2025 was 18 April 1964, with 23 mm of rain in 24 hours.
What was the windiest day in Hami?
The windiest day measured in Hami between 1940 and 2025 was 19 May 1986, with winds reaching 61.5 km/h.
What is the warmest month in Hami?
The warmest month in Hami is July (29.7 °C on average); the coldest is January (-9.0 °C).
How much does it rain in Hami?
Hami receives on average 39 mm of precipitation per year, spread over about 10 rainy days.
Is it sunny in Hami?
Hami gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hami?
The heaviest 24-hour snowfall measured in Hami between 1940 and 2025 was 6 November 1992, with 9.0 cm.
Are there tropical nights in Hami?
Yes: Hami has on average 62 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hami?
In Hami, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 31 July 1999, and the lowest was -35.7 °C on 30 January 1958.
Compare Hami with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hami