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Datong, Shanxi Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Datong, Shanxi?
Datong, Shanxi gets 402 mm of precipitation a year over about 71 rainy days. July is the warmest month (average high 29°C) and January the coldest (average low -17°C).
Semi-arid climate
Datong, Shanxi has hot summers and cold winters. Daytime highs range from about -3°C in January to 29°C in July. July is usually the wettest month. The most comfortable time to visit is typically April to May and September, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -14° | -1° |
| Spring | Mar–May | 2° | 17° |
| Summer | Jun–Aug | 15° | 28° |
| Autumn | Sep–Nov | 1° | 14° |
How much rain does Datong get?
Datong gets 402 mm of precipitation in an average year, spread over about 71 days with measurable rain. That is fewer rainy days than 70% of China.
July is the wettest month, with 102 mm. December is the driest, with 2 mm. July has the most rainy days, about 13.
The longest dry spell in the last five years lasted 55 days, to January 12, 2023.
From October 2025 to September 2026 Datong got no rain, against a normal of 402 mm for those months.
Datong weather by month
Datong weather in January
In January, Datong averages a high of -3°C and a low of -17°C. It gets 2 mm of precipitation over about 2 rainy days. Estimated sunshine is 73% of daylight hours, derived from ERA5 cloud cover. The January record high is 11°C (1979) and the record low is -31°C (2021).
Datong weather in February
In February, Datong averages a high of 2°C and a low of -13°C. It gets 4 mm of precipitation over about 2 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The February record high is 19°C (2010) and the record low is -30°C (2022).
Datong weather in March
In March, Datong averages a high of 9°C and a low of -6°C. It gets 9 mm of precipitation over about 3 rainy days. Estimated sunshine is 62% of daylight hours, derived from ERA5 cloud cover. The March record high is 26°C (2002) and the record low is -21°C (1988).
Datong weather in April
In April, Datong averages a high of 17°C and a low of 2°C. It gets 21 mm of precipitation over about 4 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The April record high is 36°C (1994) and the record low is -11°C (1976). April is one of the most comfortable months to visit.
Datong weather in May
In May, Datong averages a high of 24°C and a low of 9°C. It gets 34 mm of precipitation over about 7 rainy days. Estimated sunshine is 51% of daylight hours, derived from ERA5 cloud cover. The May record high is 36°C (2017) and the record low is -6°C (1995). May is one of the most comfortable months to visit.
Datong weather in June
In June, Datong averages a high of 28°C and a low of 14°C. It gets 54 mm of precipitation over about 10 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The June record high is 39°C (2005) and the record low is 3°C (1987).
Datong weather in July
In July, Datong averages a high of 29°C and a low of 17°C. It gets 102 mm of precipitation over about 13 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The July record high is 39°C (2010) and the record low is 8°C (2019).
Datong weather in August
In August, Datong averages a high of 27°C and a low of 15°C. It gets 79 mm of precipitation over about 11 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The August record high is 36°C (1973) and the record low is 3°C (2013).
Datong weather in September
In September, Datong averages a high of 22°C and a low of 9°C. It gets 62 mm of precipitation over about 9 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The September record high is 34°C (2002) and the record low is -4°C (2017). September is one of the most comfortable months to visit.
Datong weather in October
In October, Datong averages a high of 16°C and a low of 1°C. It gets 24 mm of precipitation over about 5 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The October record high is 29°C (2022) and the record low is -12°C (2016).
Datong weather in November
In November, Datong averages a high of 6°C and a low of -7°C. It gets 9 mm of precipitation over about 3 rainy days. Estimated sunshine is 67% of daylight hours, derived from ERA5 cloud cover. The November record high is 24°C (2023) and the record low is -24°C (2022).
Datong weather in December
In December, Datong averages a high of -1°C and a low of -14°C. It gets 2 mm of precipitation over about 1 rainy days. Estimated sunshine is 81% of daylight hours, derived from ERA5 cloud cover. The December record high is 14°C (2010) and the record low is -32°C (2023).
Sunshine, humidity and wind in Datong
December is the sunniest month in Datong, with estimated sunshine of 81% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 46%. The annual cloud-cover estimate is 60% of daylight hours; it is not a measurement of sunshine duration. Datong is sunnier than 86% of China.
Humidity peaks in August at 64% and is lowest in March at 35%.
Datong has about 11 days a year above 32°C. Datong is cooler than 69% of China.
First and last freeze in Datong
The first fall freeze in Datong typically comes around October 6, and the last spring freeze around April 30. That leaves a frost-free growing season of about 159 days.
Datong weather records
These records cover DATONG during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Datong station is 39°C, on July 29, 2010. The coldest is -32°C, on December 16, 2023.
The wettest day in the available station history brought 71 mm of precipitation, on August 21, 2022.
52 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.2°C per decade since 1970.
The best time to visit Datong
The most comfortable time to visit is typically April to May and September, when daytime highs sit near 21°C.
Winter (December–February) is cold, with average highs around -1°C and lows near -15°C.
Spring (March–May) is mild, with average highs around 17°C and lows near 2°C.
Summer (June–August) is hot, with average highs around 28°C and lows near 15°C.
Autumn (September–November) is mild, with average highs around 15°C and lows near 1°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -17° | -3° | 2.3 mm | 2 | 48% | 73% | 11° | -31° |
| February | -13° | 2° | 4.1 mm | 2 | 41% | 61% | 19° | -30° |
| March | -6° | 9° | 9.1 mm | 3 | 35% | 62% | 26° | -21° |
| April | 2° | 17° | 21 mm | 4 | 36% | 55% | 36° | -11° |
| May | 9° | 24° | 34 mm | 7 | 35% | 51% | 36° | -6° |
| June | 14° | 28° | 54 mm | 10 | 43% | 52% | 39° | 3° |
| July | 17° | 29° | 102 mm | 13 | 60% | 46% | 39° | 8° |
| August | 15° | 27° | 79 mm | 11 | 64% | 50% | 36° | 3° |
| September | 9° | 22° | 62 mm | 9 | 60% | 55% | 34° | -4° |
| October | 1° | 16° | 24 mm | 5 | 50% | 61% | 29° | -12° |
| November | -7° | 6° | 8.6 mm | 3 | 50% | 67% | 24° | -24° |
| December | -14° | -1° | 1.8 mm | 1 | 44% | 81% | 14° | -32° |
Station: DATONG, 4 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Datong climate questions
How much rain does Datong get?
Datong gets 402 mm of precipitation in an average year, over about 71 rainy days.
What is the wettest month in Datong?
July is the wettest month in Datong, with 102 mm. December is the driest, with 2 mm.
How many rainy days does Datong have a year?
Datong has about 71 days with measurable rain in an average year. July has the most, about 13.
What is the hottest month in Datong?
July is the warmest month in Datong, with an average high of 29°C.
What is the coldest month in Datong?
January is the coldest month in Datong, with an average low of -17°C.
What is the record high temperature in Datong?
Within the available 1970–2026 station history, the record high at the Datong station is 39°C, set on July 29, 2010. The record low is -32°C, on December 16, 2023.
What is the sunniest month in Datong?
December is the sunniest month in Datong, with estimated sunshine of 81% of daylight hours from ERA5 cloud cover. July is the cloudiest.
When is the first frost in Datong?
The first fall freeze in Datong typically comes around October 6. The last spring freeze is around April 30.
What is the best time to visit Datong?
The most comfortable time to visit is typically April to May and September, when daytime highs sit near 21°C.