Hyperlocal rainfall totals + real-time NOAA forecasts
Accurate weather without the clutter
Yaizu, Shizuoka Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Yaizu, Shizuoka?
Yaizu, Shizuoka gets 2009 mm of precipitation a year over about 101 rainy days. August is the warmest month (average high 32°C) and January the coldest (average low 1°C).
Humid subtropical climate
Yaizu, Shizuoka has hot summers and mild winters. Daytime highs range from about 12°C in January to 31°C in August. June is usually the wettest month. The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 2° | 13° |
| Spring | Mar–May | 10° | 19° |
| Summer | Jun–Aug | 22° | 29° |
| Autumn | Sep–Nov | 15° | 24° |
How much rain does Yaizu get?
Yaizu gets 2009 mm of precipitation in an average year, spread over about 101 days with measurable rain. That is fewer rainy days than 74% of Japan.
June is the wettest month, with 247 mm. December is the driest, with 69 mm. June has the most rainy days, about 12.
The longest dry spell in the last five years lasted 24 days, to February 9, 2023.
From October 2025 to September 2026 Yaizu got 4670 mm of rain, against a normal of 2009 mm for those months. September 2026 had the most, with 2381 mm.
Yaizu weather by month
Yaizu weather in January
In January, Yaizu averages a high of 12°C and a low of 1°C. It gets 73 mm of precipitation over about 5 rainy days. Estimated sunshine is 64% of daylight hours, derived from ERA5 cloud cover. The January record high is 22°C (2000) and the record low is -6°C (1970).
Yaizu weather in February
In February, Yaizu averages a high of 13°C and a low of 2°C. It gets 93 mm of precipitation over about 6 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The February record high is 26°C (2009) and the record low is -6°C (1984).
Yaizu weather in March
In March, Yaizu averages a high of 16°C and a low of 5°C. It gets 185 mm of precipitation over about 9 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The March record high is 28°C (2013) and the record low is -4°C (1977).
Yaizu weather in April
In April, Yaizu averages a high of 20°C and a low of 10°C. It gets 192 mm of precipitation over about 9 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The April record high is 33°C (2005) and the record low is 0°C (1972). April is one of the most comfortable months to visit.
Yaizu weather in May
In May, Yaizu averages a high of 24°C and a low of 14°C. It gets 189 mm of precipitation over about 9 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The May record high is 34°C (2000) and the record low is 7°C (1980). May is one of the most comfortable months to visit.
Yaizu weather in June
In June, Yaizu averages a high of 27°C and a low of 19°C. It gets 247 mm of precipitation over about 12 rainy days. Estimated sunshine is 23% of daylight hours, derived from ERA5 cloud cover. The June record high is 38°C (1991) and the record low is 12°C (1993).
Yaizu weather in July
In July, Yaizu averages a high of 30°C and a low of 23°C. It gets 245 mm of precipitation over about 12 rainy days. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. The July record high is 40°C (2024) and the record low is 16°C (1976).
Yaizu weather in August
In August, Yaizu averages a high of 32°C and a low of 24°C. It gets 152 mm of precipitation over about 9 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The August record high is 41°C (2025) and the record low is 17°C (1972).
Yaizu weather in September
In September, Yaizu averages a high of 28°C and a low of 21°C. It gets 243 mm of precipitation over about 11 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The September record high is 37°C (1984) and the record low is 12°C (1980).
Yaizu weather in October
In October, Yaizu averages a high of 24°C and a low of 15°C. It gets 221 mm of precipitation over about 9 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The October record high is 34°C (1999) and the record low is 5°C (1988). October is one of the most comfortable months to visit.
Yaizu weather in November
In November, Yaizu averages a high of 19°C and a low of 9°C. It gets 100 mm of precipitation over about 6 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The November record high is 28°C (2000) and the record low is -1°C (1983). November is one of the most comfortable months to visit.
Yaizu weather in December
In December, Yaizu averages a high of 14°C and a low of 4°C. It gets 69 mm of precipitation over about 5 rainy days. Estimated sunshine is 72% of daylight hours, derived from ERA5 cloud cover. The December record high is 25°C (2023) and the record low is -4°C (1983).
Sunshine, humidity and wind in Yaizu
December is the sunniest month in Yaizu, with estimated sunshine of 72% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 23%. The annual cloud-cover estimate is 45% of daylight hours; it is not a measurement of sunshine duration. Yaizu is sunnier than 99% of Japan.
Humidity peaks in July at 84% and is lowest in January at 62%.
Yaizu has about 19 days a year above 32°C. Yaizu is cooler than 52% of Japan.
First and last freeze in Yaizu
The first fall freeze in Yaizu typically comes around December 19, and the last spring freeze around March 3. That leaves a frost-free growing season of about 291 days.
Yaizu weather records
These records cover SHIZUOKA during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Yaizu station is 41°C, on August 6, 2025. The coldest is -6°C, on January 18, 1970.
The wettest day in the available station history brought 573 mm of precipitation, on September 7, 2026.
39 all-time records have been set at the station since 1970.
The best time to visit Yaizu
The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 22°C.
Winter (December–February) is mild, with average highs around 13°C and lows near 2°C.
Spring (March–May) is mild, with average highs around 20°C and lows near 10°C.
Summer (June–August) is hot, with average highs around 29°C and lows near 22°C. It can feel humid.
Autumn (September–November) is warm, with average highs around 24°C and lows near 15°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 1° | 12° | 73 mm | 5 | 62% | 64% | 22° | -6° |
| February | 2° | 13° | 93 mm | 6 | 62% | 57% | 26° | -6° |
| March | 5° | 16° | 185 mm | 9 | 68% | 47% | 28° | -4° |
| April | 10° | 20° | 192 mm | 9 | 72% | 40% | 33° | 0° |
| May | 14° | 24° | 189 mm | 9 | 77% | 32% | 34° | 7° |
| June | 19° | 27° | 247 mm | 12 | 82% | 23% | 38° | 12° |
| July | 23° | 30° | 245 mm | 12 | 84% | 30% | 40° | 16° |
| August | 24° | 32° | 152 mm | 9 | 82% | 40% | 41° | 17° |
| September | 21° | 28° | 243 mm | 11 | 79% | 37% | 37° | 12° |
| October | 15° | 24° | 221 mm | 9 | 71% | 45% | 34° | 5° |
| November | 9° | 19° | 100 mm | 6 | 69% | 57% | 28° | -1° |
| December | 4° | 14° | 69 mm | 5 | 63% | 72% | 25° | -4° |
Station: SHIZUOKA, 15 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.
Yaizu climate questions
How much rain does Yaizu get?
Yaizu gets 2009 mm of precipitation in an average year, over about 101 rainy days.
What is the wettest month in Yaizu?
June is the wettest month in Yaizu, with 247 mm. December is the driest, with 69 mm.
How many rainy days does Yaizu have a year?
Yaizu has about 101 days with measurable rain in an average year. June has the most, about 12.
What is the hottest month in Yaizu?
August is the warmest month in Yaizu, with an average high of 32°C.
What is the coldest month in Yaizu?
January is the coldest month in Yaizu, with an average low of 1°C.
What is the record high temperature in Yaizu?
Within the available 1970–2026 station history, the record high at the Yaizu station is 41°C, set on August 6, 2025. The record low is -6°C, on January 18, 1970.
What is the sunniest month in Yaizu?
December is the sunniest month in Yaizu, with estimated sunshine of 72% of daylight hours from ERA5 cloud cover. June is the cloudiest.
When is the first frost in Yaizu?
The first fall freeze in Yaizu typically comes around December 19. The last spring freeze is around March 3.
What is the best time to visit Yaizu?
The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 22°C.