Longjiang, Heilongjiang Weather by Month and Climate Averages

How much rain does Longjiang get?

Longjiang gets 457 mm of precipitation in an average year, spread over about 76 days with measurable rain. That is fewer rainy days than 67% of China.

July is the wettest month, with 140 mm. January is the driest, with 3 mm. July has the most rainy days, about 13.

The longest dry spell in the last five years lasted 35 days, to February 17, 2024.

Longjiang weather by month

Longjiang weather in January

In January, Longjiang averages a high of -12°C and a low of -23°C. It gets 3 mm of precipitation over about 3 rainy days. The sun is out about 69% of daylight hours. The January record high is 2°C (1974) and the record low is -37°C (2001).

Longjiang weather in February

In February, Longjiang averages a high of -6°C and a low of -19°C. It gets 3 mm of precipitation over about 2 rainy days. The sun is out about 65% of daylight hours. The February record high is 11°C (2002) and the record low is -34°C (2010).

Longjiang weather in March

In March, Longjiang averages a high of 3°C and a low of -9°C. It gets 7 mm of precipitation over about 3 rainy days. The sun is out about 61% of daylight hours. The March record high is 23°C (1980) and the record low is -27°C (1977).

Longjiang weather in April

In April, Longjiang averages a high of 13°C and a low of 1°C. It gets 19 mm of precipitation over about 5 rainy days. The sun is out about 53% of daylight hours. The April record high is 32°C (2014) and the record low is -16°C (2012).

Longjiang weather in May

In May, Longjiang averages a high of 22°C and a low of 9°C. It gets 33 mm of precipitation over about 7 rainy days. The sun is out about 48% of daylight hours. The May record high is 36°C (2001) and the record low is -7°C (1972). May is one of the most comfortable months to visit.

Longjiang weather in June

In June, Longjiang averages a high of 27°C and a low of 16°C. It gets 82 mm of precipitation over about 11 rainy days. The sun is out about 40% of daylight hours. The June record high is 41°C (2001) and the record low is 2°C (1992).

Longjiang weather in July

In July, Longjiang averages a high of 28°C and a low of 19°C. It gets 140 mm of precipitation over about 13 rainy days. The sun is out about 36% of daylight hours. The July record high is 39°C (2001) and the record low is 10°C (2006).

Longjiang weather in August

In August, Longjiang averages a high of 27°C and a low of 17°C. It gets 95 mm of precipitation over about 11 rainy days. The sun is out about 42% of daylight hours. The August record high is 36°C (1982) and the record low is 6°C (2017). August is one of the most comfortable months to visit.

Longjiang weather in September

In September, Longjiang averages a high of 21°C and a low of 10°C. It gets 47 mm of precipitation over about 8 rainy days. The sun is out about 52% of daylight hours. The September record high is 33°C (2010) and the record low is -3°C (1977). September is one of the most comfortable months to visit.

Longjiang weather in October

In October, Longjiang averages a high of 12°C and a low of 1°C. It gets 19 mm of precipitation over about 4 rainy days. The sun is out about 65% of daylight hours. The October record high is 27°C (1986) and the record low is -16°C (1976).

Longjiang weather in November

In November, Longjiang averages a high of -1°C and a low of -11°C. It gets 5 mm of precipitation over about 3 rainy days. The sun is out about 60% of daylight hours. The November record high is 14°C (2011) and the record low is -27°C (2002).

Longjiang weather in December

In December, Longjiang averages a high of -11°C and a low of -21°C. It gets 5 mm of precipitation over about 5 rainy days. The sun is out about 73% of daylight hours. The December record high is 6°C (2004) and the record low is -35°C (2009).

Sunshine, humidity and wind in Longjiang

December is the sunniest month in Longjiang, with sunshine about 73% of daylight hours. July is the cloudiest, at 36%. Over the year the sun shines about 55% of daylight hours. Longjiang is sunnier than 71% of China.

Humidity peaks in August at 76% and is lowest in April at 36%.

Longjiang has about 8 days a year above 32°C. Longjiang is cooler than 77% of China.

First and last freeze in Longjiang

The first fall freeze in Longjiang typically comes around October 7, and the last spring freeze around April 28. That leaves a frost-free growing season of about 162 days.

Longjiang weather records

The hottest temperature on record at the Longjiang station is 41°C, on June 25, 2001. The coldest is -37°C, on January 11, 2001.

The wettest day on record brought 135 mm of rain, on August 14, 2010.

48 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.3°C per decade since 1970.

The best time to visit Longjiang

The most comfortable time to visit is typically May and August to September, when daytime highs sit near 23°C.

Winter (December–February) is cold, with average highs around -9°C and lows near -21°C.

Spring (March–May) is chilly, with average highs around 13°C and lows near 0°C.

Summer (June–August) is warm, with average highs around 27°C and lows near 17°C. It can feel humid.

Autumn (September–November) is chilly, with average highs around 11°C and lows near 0°C.

Longjiang climate questions

How much rain does Longjiang get?

Longjiang gets 457 mm of precipitation in an average year, over about 76 rainy days.

What is the wettest month in Longjiang?

July is the wettest month in Longjiang, with 140 mm. January is the driest, with 3 mm.

How many rainy days does Longjiang have a year?

Longjiang has about 76 days with measurable rain in an average year. July has the most, about 13.

What is the hottest month in Longjiang?

July is the warmest month in Longjiang, with an average high of 28°C.

What is the coldest month in Longjiang?

January is the coldest month in Longjiang, with an average low of -23°C.

What is the record high temperature in Longjiang?

The record high at the Longjiang station is 41°C, set on June 25, 2001. The record low is -37°C, on January 11, 2001.

What is the sunniest month in Longjiang?

December is the sunniest month in Longjiang, with sunshine about 73% of daylight hours. July is the cloudiest.

When is the first frost in Longjiang?

The first fall freeze in Longjiang typically comes around October 7. The last spring freeze is around April 28.

What is the best time to visit Longjiang?

The most comfortable time to visit is typically May and August to September, when daytime highs sit near 23°C.