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Toyama, Toyama Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Toyama, Toyama?
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).
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.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 1° | 8° |
| Spring | Mar–May | 7° | 17° |
| Summer | Jun–Aug | 21° | 29° |
| Autumn | Sep–Nov | 13° | 21° |
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.
From October 2025 to September 2026 Toyama got 1861 mm of rain, against a normal of 2168 mm for those months. September 2026 had the most, with 1161 mm.
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. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 28% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 33% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. 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 estimated sunshine of 43% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 28%. The annual cloud-cover estimate is 35% of daylight hours; it is not a measurement of sunshine duration. 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
These records cover TOYAMA during 1970–2026. Earlier records or other stations in the city may differ.
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 in the available station history brought 377 mm of precipitation, on September 7, 2026.
40 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
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -1° | 6° | 244 mm | 22 | 78% | 30% | 21° | -9° |
| February | -1° | 7° | 163 mm | 18 | 74% | 32% | 22° | -9° |
| March | 2° | 12° | 151 mm | 16 | 68% | 39% | 28° | -6° |
| April | 7° | 18° | 126 mm | 12 | 66% | 43% | 32° | -2° |
| May | 12° | 23° | 108 mm | 10 | 68% | 37% | 33° | 4° |
| June | 17° | 26° | 155 mm | 11 | 75% | 31% | 37° | 8° |
| July | 22° | 30° | 222 mm | 13 | 80% | 28% | 39° | 14° |
| August | 23° | 32° | 173 mm | 9 | 77% | 36% | 39° | 16° |
| September | 19° | 27° | 205 mm | 12 | 80% | 33% | 38° | 10° |
| October | 12° | 22° | 163 mm | 12 | 77% | 40% | 33° | 2° |
| November | 7° | 16° | 206 mm | 16 | 74% | 43% | 29° | -2° |
| December | 2° | 9° | 252 mm | 20 | 77% | 29% | 25° | -6° |
Station: TOYAMA, 2 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
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?
Within the available 1970–2026 station history, 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 estimated sunshine of 43% of daylight hours from ERA5 cloud cover. 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.