Hachinohe, Aomori Weather by Month and Climate Averages

How much rain does Hachinohe get?

Hachinohe gets 961 mm of precipitation in an average year, spread over about 107 days with measurable rain. That is fewer rainy days than 60% of Japan.

September is the wettest month, with 134 mm. February is the driest, with 40 mm. July has the most rainy days, about 11.

The longest dry spell in the last five years lasted 13 days, to September 17, 2022.

Hachinohe weather by month

Hachinohe weather in January

In January, Hachinohe averages a high of 3°C and a low of -4°C. It gets 42 mm of precipitation over about 8 rainy days. The sun is out about 46% of daylight hours. The January record high is 15°C (1988) and the record low is -13°C (1977).

Hachinohe weather in February

In February, Hachinohe averages a high of 4°C and a low of -4°C. It gets 40 mm of precipitation over about 8 rainy days. The sun is out about 43% of daylight hours. The February record high is 19°C (2024) and the record low is -15°C (1978).

Hachinohe weather in March

In March, Hachinohe averages a high of 8°C and a low of -2°C. It gets 51 mm of precipitation over about 8 rainy days. The sun is out about 44% of daylight hours. The March record high is 23°C (2023) and the record low is -12°C (1986).

Hachinohe weather in April

In April, Hachinohe averages a high of 14°C and a low of 3°C. It gets 60 mm of precipitation over about 9 rainy days. The sun is out about 46% of daylight hours. The April record high is 29°C (1998) and the record low is -6°C (1984).

Hachinohe weather in May

In May, Hachinohe averages a high of 19°C and a low of 9°C. It gets 78 mm of precipitation over about 9 rainy days. The sun is out about 40% of daylight hours. The May record high is 34°C (2019) and the record low is -1°C (1971). May is one of the most comfortable months to visit.

Hachinohe weather in June

In June, Hachinohe averages a high of 22°C and a low of 13°C. It gets 98 mm of precipitation over about 9 rainy days. The sun is out about 32% of daylight hours. The June record high is 34°C (1987) and the record low is 2°C (1985). June is one of the most comfortable months to visit.

Hachinohe weather in July

In July, Hachinohe averages a high of 25°C and a low of 17°C. It gets 119 mm of precipitation over about 11 rainy days. The sun is out about 25% of daylight hours. The July record high is 36°C (2004) and the record low is 5°C (1976). July is one of the most comfortable months to visit.

Hachinohe weather in August

In August, Hachinohe averages a high of 27°C and a low of 19°C. It gets 132 mm of precipitation over about 10 rainy days. The sun is out about 27% of daylight hours. The August record high is 37°C (1978) and the record low is 9°C (1993).

Hachinohe weather in September

In September, Hachinohe averages a high of 24°C and a low of 15°C. It gets 134 mm of precipitation over about 10 rainy days. The sun is out about 31% of daylight hours. The September record high is 34°C (1985) and the record low is 6°C (1976).

Hachinohe weather in October

In October, Hachinohe averages a high of 18°C and a low of 8°C. It gets 110 mm of precipitation over about 9 rainy days. The sun is out about 41% of daylight hours. The October record high is 28°C (2021) and the record low is -2°C (1970). October is one of the most comfortable months to visit.

Hachinohe weather in November

In November, Hachinohe averages a high of 12°C and a low of 2°C. It gets 53 mm of precipitation over about 8 rainy days. The sun is out about 47% of daylight hours. The November record high is 25°C (2003) and the record low is -6°C (1998).

Hachinohe weather in December

In December, Hachinohe averages a high of 6°C and a low of -2°C. It gets 44 mm of precipitation over about 8 rainy days. The sun is out about 48% of daylight hours. The December record high is 19°C (1990) and the record low is -12°C (1984).

Sunshine, humidity and wind in Hachinohe

December is the sunniest month in Hachinohe, with sunshine about 48% of daylight hours. July is the cloudiest, at 25%. Over the year the sun shines about 39% of daylight hours. Hachinohe is sunnier than 60% of Japan.

Humidity peaks in July at 83% and is lowest in April at 61%.

Hachinohe has about 7 days a year above 32°C. Hachinohe is cooler than 76% of Japan.

First and last freeze in Hachinohe

The first fall freeze in Hachinohe typically comes around November 15, and the last spring freeze around April 13. That leaves a frost-free growing season of about 216 days.

Hachinohe weather records

The hottest temperature on record at the Hachinohe station is 37°C, on August 3, 1978. The coldest is -15°C, on February 17, 1978.

The wettest day on record brought 160 mm of rain, on May 21, 1982.

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

The best time to visit Hachinohe

The most comfortable time to visit is typically May to July and October, when daytime highs sit near 21°C.

Winter (December–February) is cold, with average highs around 4°C and lows near -4°C.

Spring (March–May) is mild, with average highs around 14°C and lows near 4°C.

Summer (June–August) is warm, with average highs around 25°C and lows near 16°C. It can feel humid.

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

Hachinohe climate questions

How much rain does Hachinohe get?

Hachinohe gets 961 mm of precipitation in an average year, over about 107 rainy days.

What is the wettest month in Hachinohe?

September is the wettest month in Hachinohe, with 134 mm. February is the driest, with 40 mm.

How many rainy days does Hachinohe have a year?

Hachinohe has about 107 days with measurable rain in an average year. July has the most, about 11.

What is the hottest month in Hachinohe?

August is the warmest month in Hachinohe, with an average high of 27°C.

What is the coldest month in Hachinohe?

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

What is the record high temperature in Hachinohe?

The record high at the Hachinohe station is 37°C, set on August 3, 1978. The record low is -15°C, on February 17, 1978.

What is the sunniest month in Hachinohe?

December is the sunniest month in Hachinohe, with sunshine about 48% of daylight hours. July is the cloudiest.

When is the first frost in Hachinohe?

The first fall freeze in Hachinohe typically comes around November 15. The last spring freeze is around April 13.

What is the best time to visit Hachinohe?

The most comfortable time to visit is typically May to July and October, when daytime highs sit near 21°C.