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Hulunbuir, Inner Mongolia Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Hulunbuir, Inner Mongolia?
Hulunbuir, Inner Mongolia gets 342 mm of precipitation a year over about 85 rainy days. July is the warmest month (average high 27°C) and January the coldest (average low -29°C).
Humid continental climate
Hulunbuir, Inner Mongolia has warm summers and cold winters. Daytime highs range from about -20°C in January to 27°C in July. July is usually the wettest month. The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -27° | -17° |
| Spring | Mar–May | -4° | 8° |
| Summer | Jun–Aug | 13° | 26° |
| Autumn | Sep–Nov | -5° | 7° |
How much rain does Hulunbuir get?
Hulunbuir gets 342 mm of precipitation in an average year, spread over about 85 days with measurable rain. That is fewer rainy days than 58% of China.
July is the wettest month, with 98 mm. February is the driest, with 4 mm. July has the most rainy days, about 13.
The longest dry spell in the last five years lasted 30 days, to November 16, 2021.
From October 2025 to September 2026 Hulunbuir got 517 mm of rain, against a normal of 342 mm for those months. July 2026 had the most, with 252 mm.
Hulunbuir weather by month
Hulunbuir weather in January
In January, Hulunbuir averages a high of -19°C and a low of -29°C. It gets 4 mm of precipitation over about 5 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The January record high is -1°C (1995) and the record low is -43°C (1970).
Hulunbuir weather in February
In February, Hulunbuir averages a high of -13°C and a low of -26°C. It gets 4 mm of precipitation over about 4 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The February record high is 4°C (1992) and the record low is -42°C (2001).
Hulunbuir weather in March
In March, Hulunbuir averages a high of -3°C and a low of -16°C. It gets 6 mm of precipitation over about 4 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The March record high is 19°C (2023) and the record low is -37°C (1970).
Hulunbuir weather in April
In April, Hulunbuir averages a high of 9°C and a low of -3°C. It gets 14 mm of precipitation over about 5 rainy days. Estimated sunshine is 51% of daylight hours, derived from ERA5 cloud cover. The April record high is 29°C (1998) and the record low is -22°C (1984).
Hulunbuir weather in May
In May, Hulunbuir averages a high of 19°C and a low of 5°C. It gets 25 mm of precipitation over about 7 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The May record high is 36°C (2014) and the record low is -10°C (1972). May is one of the most comfortable months to visit.
Hulunbuir weather in June
In June, Hulunbuir averages a high of 24°C and a low of 12°C. It gets 54 mm of precipitation over about 11 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The June record high is 39°C (2007) and the record low is -1°C (1975). June is one of the most comfortable months to visit.
Hulunbuir weather in July
In July, Hulunbuir averages a high of 27°C and a low of 15°C. It gets 98 mm of precipitation over about 13 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The July record high is 39°C (2004) and the record low is 4°C (1978).
Hulunbuir weather in August
In August, Hulunbuir averages a high of 25°C and a low of 13°C. It gets 69 mm of precipitation over about 10 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The August record high is 37°C (2005) and the record low is 2°C (1971). August is one of the most comfortable months to visit.
Hulunbuir weather in September
In September, Hulunbuir averages a high of 18°C and a low of 5°C. It gets 35 mm of precipitation over about 8 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The September record high is 33°C (2010) and the record low is -8°C (1977). September is one of the most comfortable months to visit.
Hulunbuir weather in October
In October, Hulunbuir averages a high of 8°C and a low of -4°C. It gets 16 mm of precipitation over about 6 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The October record high is 26°C (1986) and the record low is -24°C (1972).
Hulunbuir weather in November
In November, Hulunbuir averages a high of -6°C and a low of -17°C. It gets 7 mm of precipitation over about 6 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The November record high is 14°C (2015) and the record low is -38°C (1981).
Hulunbuir weather in December
In December, Hulunbuir averages a high of -17°C and a low of -26°C. It gets 8 mm of precipitation over about 7 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The December record high is 2°C (2004) and the record low is -42°C (1976).
Sunshine, humidity and wind in Hulunbuir
October is the sunniest month in Hulunbuir, with estimated sunshine of 60% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 38%. The annual cloud-cover estimate is 49% of daylight hours; it is not a measurement of sunshine duration. Hulunbuir is sunnier than 57% of China.
Humidity peaks in January at 72% and is lowest in April at 39%.
Hulunbuir has about 5 days a year above 32°C. Hulunbuir is cooler than 87% of China.
First and last freeze in Hulunbuir
The first fall freeze in Hulunbuir typically comes around September 21, and the last spring freeze around May 13. That leaves a frost-free growing season of about 131 days.
Hulunbuir weather records
These records cover HAILAR during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Hulunbuir station is 39°C, on July 21, 2004. The coldest is -43°C, on January 3, 1970.
The wettest day in the available station history brought 102 mm of precipitation, on August 4, 2026.
39 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.4°C per decade since 1970.
The best time to visit Hulunbuir
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 22°C.
Winter (December–February) is cold, with average highs around -17°C and lows near -27°C.
Spring (March–May) is chilly, with average highs around 8°C and lows near -5°C.
Summer (June–August) is warm, with average highs around 25°C and lows near 13°C.
Autumn (September–November) is chilly, with average highs around 7°C and lows near -5°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -29° | -19° | 4.3 mm | 5 | 72% | 47% | -1° | -43° |
| February | -26° | -13° | 3.8 mm | 4 | 70% | 47% | 4° | -42° |
| March | -16° | -3° | 6.3 mm | 4 | 56% | 52% | 19° | -37° |
| April | -3° | 9° | 14 mm | 5 | 39% | 51% | 29° | -22° |
| May | 5° | 19° | 25 mm | 7 | 39% | 45% | 36° | -10° |
| June | 12° | 24° | 54 mm | 11 | 59% | 42% | 39° | -1° |
| July | 15° | 27° | 98 mm | 13 | 68% | 38% | 39° | 4° |
| August | 13° | 25° | 69 mm | 10 | 72% | 41% | 37° | 2° |
| September | 5° | 18° | 35 mm | 8 | 63% | 48% | 33° | -8° |
| October | -4° | 8° | 16 mm | 6 | 59% | 60% | 26° | -24° |
| November | -17° | -6° | 6.6 mm | 6 | 70% | 54% | 14° | -38° |
| December | -26° | -17° | 7.6 mm | 7 | 69% | 60% | 2° | -42° |
Station: HAILAR, 6 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.
Hulunbuir climate questions
How much rain does Hulunbuir get?
Hulunbuir gets 342 mm of precipitation in an average year, over about 85 rainy days.
What is the wettest month in Hulunbuir?
July is the wettest month in Hulunbuir, with 98 mm. February is the driest, with 4 mm.
How many rainy days does Hulunbuir have a year?
Hulunbuir has about 85 days with measurable rain in an average year. July has the most, about 13.
What is the hottest month in Hulunbuir?
July is the warmest month in Hulunbuir, with an average high of 27°C.
What is the coldest month in Hulunbuir?
January is the coldest month in Hulunbuir, with an average low of -29°C.
What is the record high temperature in Hulunbuir?
Within the available 1970–2026 station history, the record high at the Hulunbuir station is 39°C, set on July 21, 2004. The record low is -43°C, on January 3, 1970.
What is the sunniest month in Hulunbuir?
October is the sunniest month in Hulunbuir, with estimated sunshine of 60% of daylight hours from ERA5 cloud cover. July is the cloudiest.
When is the first frost in Hulunbuir?
The first fall freeze in Hulunbuir typically comes around September 21. The last spring freeze is around May 13.
What is the best time to visit Hulunbuir?
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 22°C.