Aizu-Wakamatsu, Fukushima Weather by Month and Climate Averages

How much rain does Aizu-Wakamatsu get?

Aizu-Wakamatsu gets 1214 mm of precipitation in an average year, spread over about 160 days with measurable rain. That is more rainy days than 85% of Japan.

July is the wettest month, with 187 mm. April is the driest, with 62 mm. January has the most rainy days, about 19.

The longest dry spell in the last five years lasted 14 days, to July 31, 2025.

Aizu-Wakamatsu weather by month

Aizu-Wakamatsu weather in January

In January, Aizu-Wakamatsu averages a high of 3°C and a low of -4°C. It gets 103 mm of precipitation over about 19 rainy days. The sun is out about 19% of daylight hours. The January record high is 13°C (1979) and the record low is -14°C (2006).

Aizu-Wakamatsu weather in February

In February, Aizu-Wakamatsu averages a high of 4°C and a low of -4°C. It gets 70 mm of precipitation over about 15 rainy days. The sun is out about 23% of daylight hours. The February record high is 17°C (2026) and the record low is -15°C (1976).

Aizu-Wakamatsu weather in March

In March, Aizu-Wakamatsu averages a high of 9°C and a low of -2°C. It gets 74 mm of precipitation over about 15 rainy days. The sun is out about 30% of daylight hours. The March record high is 23°C (2025) and the record low is -12°C (1984).

Aizu-Wakamatsu weather in April

In April, Aizu-Wakamatsu averages a high of 17°C and a low of 4°C. It gets 62 mm of precipitation over about 11 rainy days. The sun is out about 35% of daylight hours. The April record high is 31°C (1998) and the record low is -4°C (1970). April is one of the most comfortable months to visit.

Aizu-Wakamatsu weather in May

In May, Aizu-Wakamatsu averages a high of 23°C and a low of 9°C. It gets 73 mm of precipitation over about 10 rainy days. The sun is out about 30% of daylight hours. The May record high is 36°C (2019) and the record low is 1°C (1974). May is one of the most comfortable months to visit.

Aizu-Wakamatsu weather in June

In June, Aizu-Wakamatsu averages a high of 26°C and a low of 16°C. It gets 103 mm of precipitation over about 11 rainy days. The sun is out about 24% of daylight hours. The June record high is 36°C (2018) and the record low is 7°C (1977). June is one of the most comfortable months to visit.

Aizu-Wakamatsu weather in July

In July, Aizu-Wakamatsu averages a high of 29°C and a low of 20°C. It gets 187 mm of precipitation over about 14 rainy days. The sun is out about 20% of daylight hours. The July record high is 38°C (2025) and the record low is 9°C (1976).

Aizu-Wakamatsu weather in August

In August, Aizu-Wakamatsu averages a high of 31°C and a low of 21°C. It gets 126 mm of precipitation over about 11 rainy days. The sun is out about 26% of daylight hours. The August record high is 38°C (1994) and the record low is 12°C (1971).

Aizu-Wakamatsu weather in September

In September, Aizu-Wakamatsu averages a high of 26°C and a low of 16°C. It gets 120 mm of precipitation over about 12 rainy days. The sun is out about 20% of daylight hours. The September record high is 36°C (2010) and the record low is 5°C (2001). September is one of the most comfortable months to visit.

Aizu-Wakamatsu weather in October

In October, Aizu-Wakamatsu averages a high of 19°C and a low of 9°C. It gets 112 mm of precipitation over about 11 rainy days. The sun is out about 25% of daylight hours. The October record high is 31°C (2018) and the record low is -2°C (1983). October is one of the most comfortable months to visit.

Aizu-Wakamatsu weather in November

In November, Aizu-Wakamatsu averages a high of 12°C and a low of 3°C. It gets 77 mm of precipitation over about 14 rainy days. The sun is out about 30% of daylight hours. The November record high is 24°C (1977) and the record low is -6°C (1983).

Aizu-Wakamatsu weather in December

In December, Aizu-Wakamatsu averages a high of 6°C and a low of -1°C. It gets 107 mm of precipitation over about 18 rainy days. The sun is out about 21% of daylight hours. The December record high is 21°C (1990) and the record low is -11°C (2014).

Sunshine, humidity and wind in Aizu-Wakamatsu

April is the sunniest month in Aizu-Wakamatsu, with sunshine about 35% of daylight hours. January is the cloudiest, at 19%. Over the year the sun shines about 25% of daylight hours. Aizu-Wakamatsu is cloudier than 99% of Japan.

Humidity peaks in September at 84% and is lowest in April at 66%.

Aizu-Wakamatsu has about 21 days a year above 32°C. Aizu-Wakamatsu is hotter than 55% of Japan.

First and last freeze in Aizu-Wakamatsu

The first fall freeze in Aizu-Wakamatsu typically comes around November 14, and the last spring freeze around April 14. That leaves a frost-free growing season of about 214 days.

Aizu-Wakamatsu weather records

The hottest temperature on record at the Aizu-Wakamatsu station is 38°C, on August 23, 2018. The coldest is -15°C, on February 14, 1976.

The wettest day on record brought 126 mm of rain, on August 3, 1995.

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

The best time to visit Aizu-Wakamatsu

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

Winter (December–February) is cold, with average highs around 4°C and lows near -3°C.

Spring (March–May) is mild, with average highs around 16°C and lows near 4°C.

Summer (June–August) is hot, with average highs around 29°C and lows near 19°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 19°C and lows near 9°C.

Aizu-Wakamatsu climate questions

How much rain does Aizu-Wakamatsu get?

Aizu-Wakamatsu gets 1214 mm of precipitation in an average year, over about 160 rainy days.

What is the wettest month in Aizu-Wakamatsu?

July is the wettest month in Aizu-Wakamatsu, with 187 mm. April is the driest, with 62 mm.

How many rainy days does Aizu-Wakamatsu have a year?

Aizu-Wakamatsu has about 160 days with measurable rain in an average year. January has the most, about 19.

What is the hottest month in Aizu-Wakamatsu?

August is the warmest month in Aizu-Wakamatsu, with an average high of 31°C.

What is the coldest month in Aizu-Wakamatsu?

February is the coldest month in Aizu-Wakamatsu, with an average low of -4°C.

What is the record high temperature in Aizu-Wakamatsu?

The record high at the Aizu-Wakamatsu station is 38°C, set on August 23, 2018. The record low is -15°C, on February 14, 1976.

What is the sunniest month in Aizu-Wakamatsu?

April is the sunniest month in Aizu-Wakamatsu, with sunshine about 35% of daylight hours. January is the cloudiest.

When is the first frost in Aizu-Wakamatsu?

The first fall freeze in Aizu-Wakamatsu typically comes around November 14. The last spring freeze is around April 14.

What is the best time to visit Aizu-Wakamatsu?

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