Asahikawa, Hokkaido Weather by Month and Climate Averages

How much rain does Asahikawa get?

Asahikawa gets 1084 mm of precipitation in an average year, spread over about 180 days with measurable rain. That is more rainy days than 99% of Japan.

August is the wettest month, with 149 mm. April is the driest, with 53 mm. December has the most rainy days, about 24.

The longest dry spell in the last five years lasted 15 days, to April 24, 2024.

Asahikawa weather by month

Asahikawa weather in January

In January, Asahikawa averages a high of -3°C and a low of -13°C. It gets 70 mm of precipitation over about 22 rainy days. The sun is out about 25% of daylight hours. The January record high is 7°C (1983) and the record low is -29°C (1977).

Asahikawa weather in February

In February, Asahikawa averages a high of -2°C and a low of -12°C. It gets 58 mm of precipitation over about 19 rainy days. The sun is out about 27% of daylight hours. The February record high is 12°C (2010) and the record low is -29°C (1978).

Asahikawa weather in March

In March, Asahikawa averages a high of 3°C and a low of -8°C. It gets 54 mm of precipitation over about 17 rainy days. The sun is out about 36% of daylight hours. The March record high is 17°C (2018) and the record low is -23°C (1986).

Asahikawa weather in April

In April, Asahikawa averages a high of 11°C and a low of -1°C. It gets 53 mm of precipitation over about 12 rainy days. The sun is out about 39% of daylight hours. The April record high is 29°C (1998) and the record low is -12°C (1987).

Asahikawa weather in May

In May, Asahikawa averages a high of 19°C and a low of 6°C. It gets 61 mm of precipitation over about 10 rainy days. The sun is out about 33% of daylight hours. The May record high is 34°C (2019) and the record low is -2°C (2001). May is one of the most comfortable months to visit.

Asahikawa weather in June

In June, Asahikawa averages a high of 23°C and a low of 12°C. It gets 70 mm of precipitation over about 10 rainy days. The sun is out about 28% of daylight hours. The June record high is 34°C (2010) and the record low is 2°C (1978). June is one of the most comfortable months to visit.

Asahikawa weather in July

In July, Asahikawa averages a high of 26°C and a low of 16°C. It gets 119 mm of precipitation over about 10 rainy days. The sun is out about 30% of daylight hours. The July record high is 34°C (1978) and the record low is 7°C (1976). July is one of the most comfortable months to visit.

Asahikawa weather in August

In August, Asahikawa averages a high of 26°C and a low of 17°C. It gets 149 mm of precipitation over about 11 rainy days. The sun is out about 28% of daylight hours. The August record high is 36°C (1989) and the record low is 7°C (1971).

Asahikawa weather in September

In September, Asahikawa averages a high of 22°C and a low of 11°C. It gets 125 mm of precipitation over about 12 rainy days. The sun is out about 35% of daylight hours. The September record high is 33°C (2019) and the record low is 2°C (1977). September is one of the most comfortable months to visit.

Asahikawa weather in October

In October, Asahikawa averages a high of 14°C and a low of 4°C. It gets 100 mm of precipitation over about 15 rainy days. The sun is out about 37% of daylight hours. The October record high is 26°C (2019) and the record low is -4°C (2006).

Asahikawa weather in November

In November, Asahikawa averages a high of 6°C and a low of -2°C. It gets 117 mm of precipitation over about 20 rainy days. The sun is out about 30% of daylight hours. The November record high is 21°C (2003) and the record low is -16°C (1984).

Asahikawa weather in December

In December, Asahikawa averages a high of -1°C and a low of -9°C. It gets 108 mm of precipitation over about 24 rainy days. The sun is out about 27% of daylight hours. The December record high is 14°C (1989) and the record low is -24°C (2012).

Sunshine, humidity and wind in Asahikawa

April is the sunniest month in Asahikawa, with sunshine about 39% of daylight hours. January is the cloudiest, at 25%. Over the year the sun shines about 31% of daylight hours. Asahikawa is cloudier than 95% of Japan.

Humidity peaks in August at 81% and is lowest in April at 62%.

Asahikawa has about 4 days a year above 32°C. Asahikawa is cooler than 83% of Japan.

First and last freeze in Asahikawa

The first fall freeze in Asahikawa typically comes around October 20, and the last spring freeze around May 2. That leaves a frost-free growing season of about 171 days.

Asahikawa weather records

The hottest temperature on record at the Asahikawa station is 36°C, on August 7, 1989. The coldest is -29°C, on January 29, 1977.

The wettest day on record brought 191 mm of rain, on August 17, 1994.

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

The best time to visit Asahikawa

The most comfortable time to visit is typically May to July and September, when daytime highs sit near 22°C.

Winter (December–February) is cold, with average highs around -2°C and lows near -11°C.

Spring (March–May) is chilly, with average highs around 11°C and lows near -1°C.

Summer (June–August) is warm, with average highs around 25°C and lows near 15°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 14°C and lows near 4°C.

Asahikawa climate questions

How much rain does Asahikawa get?

Asahikawa gets 1084 mm of precipitation in an average year, over about 180 rainy days.

What is the wettest month in Asahikawa?

August is the wettest month in Asahikawa, with 149 mm. April is the driest, with 53 mm.

How many rainy days does Asahikawa have a year?

Asahikawa has about 180 days with measurable rain in an average year. December has the most, about 24.

What is the hottest month in Asahikawa?

July is the warmest month in Asahikawa, with an average high of 26°C.

What is the coldest month in Asahikawa?

January is the coldest month in Asahikawa, with an average low of -13°C.

What is the record high temperature in Asahikawa?

The record high at the Asahikawa station is 36°C, set on August 7, 1989. The record low is -29°C, on January 29, 1977.

What is the sunniest month in Asahikawa?

April is the sunniest month in Asahikawa, with sunshine about 39% of daylight hours. January is the cloudiest.

When is the first frost in Asahikawa?

The first fall freeze in Asahikawa typically comes around October 20. The last spring freeze is around May 2.

What is the best time to visit Asahikawa?

The most comfortable time to visit is typically May to July and September, when daytime highs sit near 22°C.