Toyama, Toyama Weather by Month and Climate Averages

Toyama, Toyama gets 2168 mm of precipitation a year over about 170 rainy days. August is the warmest month (average high 32°C) and January the coldest (average low -1°C).

Toyama climate at a glance

Humid subtropical climate

Toyama, Toyama has hot summers and chilly winters. Daytime highs range from about 6°C in January to 31°C in August. December is usually the wettest month. The most comfortable time to visit is typically April to June and October, when daytime highs sit near 22°C.

How much rain does Toyama get?

Toyama gets 2168 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 252 mm. May is the driest, with 108 mm. January has the most rainy days, about 22.

The longest dry spell in the last five years lasted 13 days, to June 17, 2024.

Toyama weather by month

Toyama weather in January

In January, Toyama averages a high of 6°C and a low of -1°C. It gets 244 mm of precipitation over about 22 rainy days. The sun is out about 30% of daylight hours. The January record high is 21°C (1972) and the record low is -9°C (1977).

Toyama weather in February

In February, Toyama averages a high of 7°C and a low of -1°C. It gets 163 mm of precipitation over about 18 rainy days. The sun is out about 32% of daylight hours. The February record high is 22°C (2010) and the record low is -9°C (1978).

Toyama weather in March

In March, Toyama averages a high of 12°C and a low of 2°C. It gets 151 mm of precipitation over about 16 rainy days. The sun is out about 39% of daylight hours. The March record high is 28°C (2025) and the record low is -6°C (1977).

Toyama weather in April

In April, Toyama averages a high of 18°C and a low of 7°C. It gets 126 mm of precipitation over about 12 rainy days. The sun is out about 43% of daylight hours. The April record high is 32°C (1972) and the record low is -2°C (1987). April is one of the most comfortable months to visit.

Toyama weather in May

In May, Toyama averages a high of 23°C and a low of 12°C. It gets 108 mm of precipitation over about 10 rainy days. The sun is out about 37% of daylight hours. The May record high is 33°C (2017) and the record low is 4°C (1974). May is one of the most comfortable months to visit.

Toyama weather in June

In June, Toyama averages a high of 26°C and a low of 17°C. It gets 155 mm of precipitation over about 11 rainy days. The sun is out about 31% of daylight hours. The June record high is 37°C (2022) and the record low is 8°C (1978). June is one of the most comfortable months to visit.

Toyama weather in July

In July, Toyama averages a high of 30°C and a low of 22°C. It gets 222 mm of precipitation over about 13 rainy days. The sun is out about 28% of daylight hours. The July record high is 39°C (1999) and the record low is 14°C (1986).

Toyama weather in August

In August, Toyama averages a high of 32°C and a low of 23°C. It gets 173 mm of precipitation over about 9 rainy days. The sun is out about 36% of daylight hours. The August record high is 39°C (1994) and the record low is 16°C (1981).

Toyama weather in September

In September, Toyama averages a high of 27°C and a low of 19°C. It gets 205 mm of precipitation over about 12 rainy days. The sun is out about 33% of daylight hours. The September record high is 38°C (2002) and the record low is 10°C (1992).

Toyama weather in October

In October, Toyama averages a high of 22°C and a low of 12°C. It gets 163 mm of precipitation over about 12 rainy days. The sun is out about 40% of daylight hours. The October record high is 33°C (1999) and the record low is 2°C (1983). October is one of the most comfortable months to visit.

Toyama weather in November

In November, Toyama averages a high of 16°C and a low of 7°C. It gets 206 mm of precipitation over about 16 rainy days. The sun is out about 43% of daylight hours. The November record high is 29°C (1977) and the record low is -2°C (1983).

Toyama weather in December

In December, Toyama averages a high of 9°C and a low of 2°C. It gets 252 mm of precipitation over about 20 rainy days. The sun is out about 29% of daylight hours. The December record high is 25°C (2018) and the record low is -6°C (2012).

Sunshine, humidity and wind in Toyama

April is the sunniest month in Toyama, with sunshine about 43% of daylight hours. July is the cloudiest, at 28%. Over the year the sun shines about 35% of daylight hours. Toyama is cloudier than 77% of Japan.

Humidity peaks in July at 80% and is lowest in April at 66%.

Toyama has about 25 days a year above 32°C. Toyama is hotter than 66% of Japan.

First and last freeze in Toyama

The first fall freeze in Toyama typically comes around December 15, and the last spring freeze around March 22. That leaves a frost-free growing season of about 268 days.

Toyama weather records

The hottest temperature on record at the Toyama station is 39°C, on August 14, 1994. The coldest is -9°C, on January 16, 1977.

The wettest day on record brought 182 mm of rain, on September 1, 2018.

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

The best time to visit Toyama

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 0°C.

Spring (March–May) is mild, with average highs around 17°C and lows near 7°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 21°C and lows near 13°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineSea tempRecord highRecord low
January244 mm2278%30%-11°21°-9°
February163 mm1874%32%-11°22°-9°
March151 mm1668%39%-12°28°-6°
April126 mm1266%43%-11°32°-2°
May108 mm1068%37%-9°33°
June155 mm1175%31%-6°37°
July222 mm1380%28%-3°39°14°
August173 mm977%36%-2°39°16°
September205 mm1280%33%-3°38°10°
October163 mm1277%40%-5°33°
November206 mm1674%43%-7°29°-2°
December252 mm2077%29%-9°25°-6°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Toyama climate questions

How much rain does Toyama get?

Toyama gets 2168 mm of precipitation in an average year, over about 170 rainy days.

What is the wettest month in Toyama?

December is the wettest month in Toyama, with 252 mm. May is the driest, with 108 mm.

How many rainy days does Toyama have a year?

Toyama has about 170 days with measurable rain in an average year. January has the most, about 22.

What is the hottest month in Toyama?

August is the warmest month in Toyama, with an average high of 32°C.

What is the coldest month in Toyama?

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

What is the record high temperature in Toyama?

The record high at the Toyama station is 39°C, set on August 14, 1994. The record low is -9°C, on January 16, 1977.

What is the sunniest month in Toyama?

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

When is the first frost in Toyama?

The first fall freeze in Toyama typically comes around December 15. The last spring freeze is around March 22.

What is the best time to visit Toyama?

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

Source: NOAA GHCN-Daily station TOYAMA (2 km away).

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Normals from NOAA GHCN-Daily station TOYAMA.