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Heihe, Heilongjiang Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Heihe, Heilongjiang?
Heihe, Heilongjiang gets 567 mm of precipitation a year over about 98 rainy days. July is the warmest month (average high 28°C) and January the coldest (average low -26°C).
Humid continental climate
Heihe, Heilongjiang has warm summers and cold winters. Daytime highs range from about -15°C in January to 28°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 | -24° | -13° |
| Spring | Mar–May | -2° | 11° |
| Summer | Jun–Aug | 16° | 26° |
| Autumn | Sep–Nov | -2° | 8° |
How much rain does Heihe get?
Heihe gets 567 mm of precipitation in an average year, spread over about 98 days with measurable rain. That is fewer rainy days than 75% of Russia.
July is the wettest month, with 140 mm. January is the driest, with 7 mm. July has the most rainy days, about 13.
The longest dry spell in the last five years lasted 21 days, to October 25, 2023.
Heihe weather by month
Heihe weather in January
In January, Heihe averages a high of -15°C and a low of -26°C. It gets 7 mm of precipitation over about 6 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The January record high is 0°C (1983) and the record low is -44°C (1980).
Heihe weather in February
In February, Heihe averages a high of -9°C and a low of -22°C. It gets 7 mm of precipitation over about 4 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The February record high is 7°C (1998) and the record low is -39°C (1979).
Heihe weather in March
In March, Heihe averages a high of 0°C and a low of -12°C. It gets 9 mm of precipitation over about 4 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The March record high is 21°C (1990) and the record low is -32°C (1971).
Heihe weather in April
In April, Heihe averages a high of 11°C and a low of -1°C. It gets 25 mm of precipitation over about 6 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The April record high is 32°C (2014) and the record low is -18°C (1988).
Heihe weather in May
In May, Heihe averages a high of 20°C and a low of 7°C. It gets 55 mm of precipitation over about 10 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The May record high is 34°C (1998) and the record low is -6°C (1974). May is one of the most comfortable months to visit.
Heihe weather in June
In June, Heihe averages a high of 26°C and a low of 14°C. It gets 91 mm of precipitation over about 12 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The June record high is 39°C (2010) and the record low is 3°C (1999). June is one of the most comfortable months to visit.
Heihe weather in July
In July, Heihe averages a high of 28°C and a low of 17°C. It gets 140 mm of precipitation over about 13 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The July record high is 38°C (2000) and the record low is 2°C (1982).
Heihe weather in August
In August, Heihe averages a high of 26°C and a low of 16°C. It gets 112 mm of precipitation over about 13 rainy days. Estimated sunshine is 33% of daylight hours, derived from ERA5 cloud cover. The August record high is 36°C (2016) and the record low is 5°C (2017). August is one of the most comfortable months to visit.
Heihe weather in September
In September, Heihe averages a high of 19°C and a low of 8°C. It gets 67 mm of precipitation over about 10 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The September record high is 32°C (2015) and the record low is -3°C (1981). September is one of the most comfortable months to visit.
Heihe weather in October
In October, Heihe averages a high of 9°C and a low of -1°C. It gets 29 mm of precipitation over about 7 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The October record high is 28°C (2006) and the record low is -17°C (1972).
Heihe weather in November
In November, Heihe averages a high of -4°C and a low of -14°C. It gets 13 mm of precipitation over about 6 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The November record high is 13°C (2018) and the record low is -32°C (1987).
Heihe weather in December
In December, Heihe averages a high of -14°C and a low of -24°C. It gets 11 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 (1989) and the record low is -38°C (1976).
Sunshine, humidity and wind in Heihe
January is the sunniest month in Heihe, with estimated sunshine of 61% of daylight hours from ERA5 cloud cover. August is the cloudiest, at 33%. The annual cloud-cover estimate is 48% of daylight hours; it is not a measurement of sunshine duration. Heihe is sunnier than 97% of Russia.
Humidity peaks in August at 78% and is lowest in April at 44%.
Heihe has about 6 days a year above 32°C. Heihe is hotter than 74% of Russia.
First and last freeze in Heihe
The first fall freeze in Heihe typically comes around October 2, and the last spring freeze around May 2. That leaves a frost-free growing season of about 153 days.
Heihe weather records
These records cover BLAGOVESCENSK during 1970–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Heihe station is 39°C, on June 25, 2010. The coldest is -44°C, on January 13, 1980.
The wettest day in the available station history brought 98 mm of precipitation, on September 13, 1983.
44 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 Heihe
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 -13°C and lows near -24°C.
Spring (March–May) is chilly, with average highs around 10°C and lows near -2°C.
Summer (June–August) is warm, with average highs around 26°C and lows near 15°C. It can feel humid.
Autumn (September–November) is chilly, with average highs around 8°C and lows near -2°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -26° | -15° | 6.6 mm | 6 | 62% | 61% | 0° | -44° |
| February | -22° | -9° | 6.9 mm | 4 | 55% | 55% | 7° | -39° |
| March | -12° | 0° | 9.4 mm | 4 | 48% | 50% | 21° | -32° |
| April | -1° | 11° | 25 mm | 6 | 44% | 44% | 32° | -18° |
| May | 7° | 20° | 55 mm | 10 | 48% | 42% | 34° | -6° |
| June | 14° | 26° | 91 mm | 12 | 68% | 41% | 39° | 3° |
| July | 17° | 28° | 140 mm | 13 | 74% | 43% | 38° | 2° |
| August | 16° | 26° | 112 mm | 13 | 78% | 33% | 36° | 5° |
| September | 8° | 19° | 67 mm | 10 | 69% | 44% | 32° | -3° |
| October | -1° | 9° | 29 mm | 7 | 57% | 60% | 28° | -17° |
| November | -14° | -4° | 13 mm | 6 | 64% | 48% | 13° | -32° |
| December | -24° | -14° | 11 mm | 7 | 62% | 60% | 2° | -38° |
Station: BLAGOVESCENSK, 1 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2025; 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.
Heihe climate questions
How much rain does Heihe get?
Heihe gets 567 mm of precipitation in an average year, over about 98 rainy days.
What is the wettest month in Heihe?
July is the wettest month in Heihe, with 140 mm. January is the driest, with 7 mm.
How many rainy days does Heihe have a year?
Heihe has about 98 days with measurable rain in an average year. July has the most, about 13.
What is the hottest month in Heihe?
July is the warmest month in Heihe, with an average high of 28°C.
What is the coldest month in Heihe?
January is the coldest month in Heihe, with an average low of -26°C.
What is the record high temperature in Heihe?
Within the available 1970–2025 station history, the record high at the Heihe station is 39°C, set on June 25, 2010. The record low is -44°C, on January 13, 1980.
What is the sunniest month in Heihe?
January is the sunniest month in Heihe, with estimated sunshine of 61% of daylight hours from ERA5 cloud cover. August is the cloudiest.
When is the first frost in Heihe?
The first fall freeze in Heihe typically comes around October 2. The last spring freeze is around May 2.
What is the best time to visit Heihe?
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 22°C.