Komatsu, Ishikawa Weather by Month and Climate Averages

How much rain does Komatsu get?

Komatsu gets 2265 mm of precipitation in an average year, spread over about 170 days with measurable rain. That is more rainy days than 93% of Japan.

December is the wettest month, with 282 mm. May is the driest, with 129 mm. January has the most rainy days, about 23.

The longest dry spell in the last five years lasted 13 days, to November 8, 2021.

Komatsu weather by month

Komatsu weather in January

In January, Komatsu averages a high of 7°C and a low of 1°C. It gets 252 mm of precipitation over about 23 rainy days. The sun is out about 29% of daylight hours. The January record high is 21°C (1990) and the record low is -6°C (1970).

Komatsu weather in February

In February, Komatsu averages a high of 8°C and a low of 1°C. It gets 160 mm of precipitation over about 19 rainy days. The sun is out about 32% of daylight hours. The February record high is 22°C (2004) and the record low is -7°C (1984).

Komatsu weather in March

In March, Komatsu averages a high of 12°C and a low of 3°C. It gets 153 mm of precipitation over about 15 rainy days. The sun is out about 38% of daylight hours. The March record high is 28°C (2025) and the record low is -5°C (1977).

Komatsu weather in April

In April, Komatsu averages a high of 17°C and a low of 8°C. It gets 135 mm of precipitation over about 11 rainy days. The sun is out about 43% of daylight hours. The April record high is 32°C (1972) and the record low is -1°C (1987). April is one of the most comfortable months to visit.

Komatsu weather in May

In May, Komatsu averages a high of 22°C and a low of 13°C. It gets 129 mm of precipitation over about 10 rainy days. The sun is out about 37% of daylight hours. The May record high is 34°C (1982) and the record low is 4°C (1991). May is one of the most comfortable months to visit.

Komatsu weather in June

In June, Komatsu averages a high of 26°C and a low of 18°C. It gets 156 mm of precipitation over about 10 rainy days. The sun is out about 32% of daylight hours. The June record high is 36°C (1978) and the record low is 9°C (1978). June is one of the most comfortable months to visit.

Komatsu weather in July

In July, Komatsu averages a high of 29°C and a low of 23°C. It gets 210 mm of precipitation over about 12 rainy days. The sun is out about 30% of daylight hours. The July record high is 37°C (2016) and the record low is 14°C (1975).

Komatsu weather in August

In August, Komatsu averages a high of 31°C and a low of 24°C. It gets 163 mm of precipitation over about 9 rainy days. The sun is out about 38% of daylight hours. The August record high is 38°C (2023) and the record low is 16°C (1981).

Komatsu weather in September

In September, Komatsu averages a high of 27°C and a low of 19°C. It gets 221 mm of precipitation over about 12 rainy days. The sun is out about 35% of daylight hours. The September record high is 38°C (1985) and the record low is 11°C (2001).

Komatsu weather in October

In October, Komatsu averages a high of 22°C and a low of 13°C. It gets 163 mm of precipitation over about 11 rainy days. The sun is out about 41% of daylight hours. The October record high is 33°C (1994) and the record low is 4°C (1983). October is one of the most comfortable months to visit.

Komatsu weather in November

In November, Komatsu averages a high of 16°C and a low of 8°C. It gets 242 mm of precipitation over about 16 rainy days. The sun is out about 42% of daylight hours. The November record high is 28°C (1977) and the record low is -1°C (1970).

Komatsu weather in December

In December, Komatsu averages a high of 11°C and a low of 3°C. It gets 282 mm of precipitation over about 22 rainy days. The sun is out about 30% of daylight hours. The December record high is 24°C (2018) and the record low is -5°C (1976).

Sunshine, humidity and wind in Komatsu

April is the sunniest month in Komatsu, with sunshine about 43% of daylight hours. January is the cloudiest, at 29%. Over the year the sun shines about 36% of daylight hours. Komatsu is cloudier than 72% of Japan.

Humidity peaks in July at 81% and is lowest in March at 69%.

Komatsu has about 23 days a year above 32°C. Komatsu is hotter than 61% of Japan.

First and last freeze in Komatsu

The first fall freeze in Komatsu typically comes around December 17, and the last spring freeze around March 15. That leaves a frost-free growing season of about 277 days.

Komatsu weather records

The hottest temperature on record at the Komatsu station is 38°C, on August 10, 2023. The coldest is -7°C, on February 12, 1984.

The wettest day on record brought 210 mm of rain, on March 24, 1994.

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

The best time to visit Komatsu

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

Winter (December–February) is chilly, with average highs around 8°C and lows near 1°C.

Spring (March–May) is mild, with average highs around 17°C and lows near 8°C.

Summer (June–August) is hot, with average highs around 29°C and lows near 21°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 22°C and lows near 13°C.

Komatsu climate questions

How much rain does Komatsu get?

Komatsu gets 2265 mm of precipitation in an average year, over about 170 rainy days.

What is the wettest month in Komatsu?

December is the wettest month in Komatsu, with 282 mm. May is the driest, with 129 mm.

How many rainy days does Komatsu have a year?

Komatsu has about 170 days with measurable rain in an average year. January has the most, about 23.

What is the hottest month in Komatsu?

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

What is the coldest month in Komatsu?

January is the coldest month in Komatsu, with an average low of 1°C.

What is the record high temperature in Komatsu?

The record high at the Komatsu station is 38°C, set on August 10, 2023. The record low is -7°C, on February 12, 1984.

What is the sunniest month in Komatsu?

April is the sunniest month in Komatsu, with sunshine about 43% of daylight hours. January is the cloudiest.

When is the first frost in Komatsu?

The first fall freeze in Komatsu typically comes around December 17. The last spring freeze is around March 15.

What is the best time to visit Komatsu?

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