Aomori, Aomori Weather by Month and Climate Averages

How much rain does Aomori get?

Aomori gets 1299 mm of precipitation in an average year, spread over about 169 days with measurable rain. That is more rainy days than 91% of Japan.

December is the wettest month, with 165 mm. April is the driest, with 68 mm. January has the most rainy days, about 24.

The longest dry spell in the last five years lasted 15 days, to September 16, 2022.

Aomori weather by month

Aomori weather in January

In January, Aomori averages a high of 2°C and a low of -4°C. It gets 136 mm of precipitation over about 24 rainy days. The sun is out about 28% of daylight hours. The January record high is 12°C (1988) and the record low is -14°C (1977).

Aomori weather in February

In February, Aomori averages a high of 3°C and a low of -4°C. It gets 98 mm of precipitation over about 19 rainy days. The sun is out about 29% of daylight hours. The February record high is 17°C (2010) and the record low is -14°C (1977).

Aomori weather in March

In March, Aomori averages a high of 7°C and a low of -1°C. It gets 71 mm of precipitation over about 16 rainy days. The sun is out about 37% of daylight hours. The March record high is 22°C (2018) and the record low is -13°C (1970).

Aomori weather in April

In April, Aomori averages a high of 14°C and a low of 3°C. It gets 68 mm of precipitation over about 11 rainy days. The sun is out about 42% of daylight hours. The April record high is 28°C (1998) and the record low is -7°C (1970).

Aomori weather in May

In May, Aomori averages a high of 19°C and a low of 9°C. It gets 76 mm of precipitation over about 10 rainy days. The sun is out about 36% of daylight hours. The May record high is 33°C (2019) and the record low is -2°C (1987). May is one of the most comfortable months to visit.

Aomori weather in June

In June, Aomori averages a high of 22°C and a low of 14°C. It gets 71 mm of precipitation over about 8 rainy days. The sun is out about 29% of daylight hours. The June record high is 33°C (1987) and the record low is 4°C (1985). June is one of the most comfortable months to visit.

Aomori weather in July

In July, Aomori averages a high of 26°C and a low of 18°C. It gets 118 mm of precipitation over about 9 rainy days. The sun is out about 25% of daylight hours. The July record high is 36°C (2017) and the record low is 7°C (1976). July is one of the most comfortable months to visit.

Aomori weather in August

In August, Aomori averages a high of 28°C and a low of 19°C. It gets 130 mm of precipitation over about 10 rainy days. The sun is out about 26% of daylight hours. The August record high is 37°C (2015) and the record low is 9°C (1972).

Aomori weather in September

In September, Aomori averages a high of 24°C and a low of 15°C. It gets 123 mm of precipitation over about 10 rainy days. The sun is out about 30% of daylight hours. The September record high is 36°C (2012) and the record low is 6°C (1976). September is one of the most comfortable months to visit.

Aomori weather in October

In October, Aomori averages a high of 18°C and a low of 8°C. It gets 115 mm of precipitation over about 12 rainy days. The sun is out about 35% of daylight hours. The October record high is 28°C (2025) and the record low is -1°C (1970). October is one of the most comfortable months to visit.

Aomori weather in November

In November, Aomori averages a high of 11°C and a low of 3°C. It gets 129 mm of precipitation over about 17 rainy days. The sun is out about 33% of daylight hours. The November record high is 24°C (2003) and the record low is -7°C (1998).

Aomori weather in December

In December, Aomori averages a high of 5°C and a low of -2°C. It gets 165 mm of precipitation over about 22 rainy days. The sun is out about 28% of daylight hours. The December record high is 18°C (1990) and the record low is -11°C (1984).

Sunshine, humidity and wind in Aomori

April is the sunniest month in Aomori, with sunshine about 42% of daylight hours. July is the cloudiest, at 25%. Over the year the sun shines about 32% of daylight hours. Aomori is cloudier than 94% of Japan.

Humidity peaks in July at 83% and is lowest in April at 65%.

Aomori has about 6 days a year above 32°C. Aomori is cooler than 76% of Japan.

First and last freeze in Aomori

The first fall freeze in Aomori typically comes around November 17, and the last spring freeze around April 12. That leaves a frost-free growing season of about 219 days.

Aomori weather records

The hottest temperature on record at the Aomori station is 37°C, on August 12, 1994. The coldest is -14°C, on February 5, 1977.

The wettest day on record brought 153 mm of rain, on August 5, 1977.

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

The best time to visit Aomori

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

Winter (December–February) is cold, with average highs around 3°C and lows near -3°C.

Spring (March–May) is mild, with average highs around 13°C and lows near 4°C.

Summer (June–August) is warm, with average highs around 25°C and lows near 17°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 18°C and lows near 9°C.

Aomori climate questions

How much rain does Aomori get?

Aomori gets 1299 mm of precipitation in an average year, over about 169 rainy days.

What is the wettest month in Aomori?

December is the wettest month in Aomori, with 165 mm. April is the driest, with 68 mm.

How many rainy days does Aomori have a year?

Aomori has about 169 days with measurable rain in an average year. January has the most, about 24.

What is the hottest month in Aomori?

August is the warmest month in Aomori, with an average high of 28°C.

What is the coldest month in Aomori?

January is the coldest month in Aomori, with an average low of -4°C.

What is the record high temperature in Aomori?

The record high at the Aomori station is 37°C, set on August 12, 1994. The record low is -14°C, on February 5, 1977.

What is the sunniest month in Aomori?

April is the sunniest month in Aomori, with sunshine about 42% of daylight hours. July is the cloudiest.

When is the first frost in Aomori?

The first fall freeze in Aomori typically comes around November 17. The last spring freeze is around April 12.

What is the best time to visit Aomori?

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