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Aihui, 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 Aihui, Heilongjiang?
Aihui, 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
Aihui, 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 Aihui get?
Aihui 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.
Aihui weather by month
Aihui weather in January
In January, Aihui 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 62% of daylight hours, derived from ERA5 cloud cover. The January record high is 0°C (1983) and the record low is -44°C (1980).
Aihui weather in February
In February, Aihui 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).
Aihui weather in March
In March, Aihui 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).
Aihui weather in April
In April, Aihui 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).
Aihui weather in May
In May, Aihui 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 43% 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.
Aihui weather in June
In June, Aihui 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.
Aihui weather in July
In July, Aihui 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).
Aihui weather in August
In August, Aihui 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 34% 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.
Aihui weather in September
In September, Aihui 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 45% 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.
Aihui weather in October
In October, Aihui 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 61% of daylight hours, derived from ERA5 cloud cover. The October record high is 28°C (2006) and the record low is -17°C (1972).
Aihui weather in November
In November, Aihui 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).
Aihui weather in December
In December, Aihui 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 61% 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 Aihui
January is the sunniest month in Aihui, with estimated sunshine of 62% of daylight hours from ERA5 cloud cover. August is the cloudiest, at 34%. The annual cloud-cover estimate is 49% of daylight hours; it is not a measurement of sunshine duration. Aihui is sunnier than 97% of Russia.
Humidity peaks in August at 78% and is lowest in April at 44%.
Aihui has about 6 days a year above 32°C. Aihui is hotter than 74% of Russia.
First and last freeze in Aihui
The first fall freeze in Aihui typically comes around October 2, and the last spring freeze around May 2. That leaves a frost-free growing season of about 153 days.
Aihui 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 Aihui 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 Aihui
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 | 63% | 62% | 0° | -44° |
| February | -22° | -9° | 6.9 mm | 4 | 56% | 55% | 7° | -39° |
| March | -12° | 0° | 9.4 mm | 4 | 50% | 50% | 21° | -32° |
| April | -1° | 11° | 25 mm | 6 | 44% | 44% | 32° | -18° |
| May | 7° | 20° | 55 mm | 10 | 48% | 43% | 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% | 34% | 36° | 5° |
| September | 8° | 19° | 67 mm | 10 | 68% | 45% | 32° | -3° |
| October | -1° | 9° | 29 mm | 7 | 57% | 61% | 28° | -17° |
| November | -14° | -4° | 13 mm | 6 | 66% | 48% | 13° | -32° |
| December | -24° | -14° | 11 mm | 7 | 62% | 61% | 2° | -38° |
Station: BLAGOVESCENSK, 30 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.
Aihui climate questions
How much rain does Aihui get?
Aihui gets 567 mm of precipitation in an average year, over about 98 rainy days.
What is the wettest month in Aihui?
July is the wettest month in Aihui, with 140 mm. January is the driest, with 7 mm.
How many rainy days does Aihui have a year?
Aihui has about 98 days with measurable rain in an average year. July has the most, about 13.
What is the hottest month in Aihui?
July is the warmest month in Aihui, with an average high of 28°C.
What is the coldest month in Aihui?
January is the coldest month in Aihui, with an average low of -26°C.
What is the record high temperature in Aihui?
Within the available 1970–2025 station history, the record high at the Aihui 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 Aihui?
January is the sunniest month in Aihui, with estimated sunshine of 62% of daylight hours from ERA5 cloud cover. August is the cloudiest.
When is the first frost in Aihui?
The first fall freeze in Aihui typically comes around October 2. The last spring freeze is around May 2.
What is the best time to visit Aihui?
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 22°C.