Numazu, Shizuoka Weather by Month and Climate Averages

How much rain does Numazu get?

Numazu gets 1566 mm of precipitation in an average year, spread over about 90 days with measurable rain. That is fewer rainy days than 92% of Japan.

July is the wettest month, with 202 mm. December is the driest, with 57 mm. July has the most rainy days, about 10.

The longest dry spell in the last five years lasted 22 days, to January 13, 2023.

Numazu weather by month

Numazu weather in January

In January, Numazu averages a high of 12°C and a low of 0°C. It gets 62 mm of precipitation over about 4 rainy days. The sun is out about 61% of daylight hours. The January record high is 21°C (2000) and the record low is -8°C (1970).

Numazu weather in February

In February, Numazu averages a high of 12°C and a low of 1°C. It gets 80 mm of precipitation over about 5 rainy days. The sun is out about 53% of daylight hours. The February record high is 25°C (2009) and the record low is -8°C (1984).

Numazu weather in March

In March, Numazu averages a high of 16°C and a low of 4°C. It gets 122 mm of precipitation over about 8 rainy days. The sun is out about 44% of daylight hours. The March record high is 27°C (2013) and the record low is -8°C (1971).

Numazu weather in April

In April, Numazu averages a high of 20°C and a low of 9°C. It gets 132 mm of precipitation over about 8 rainy days. The sun is out about 39% of daylight hours. The April record high is 29°C (2007) and the record low is -2°C (1972). April is one of the most comfortable months to visit.

Numazu weather in May

In May, Numazu averages a high of 24°C and a low of 13°C. It gets 127 mm of precipitation over about 8 rainy days. The sun is out about 30% of daylight hours. The May record high is 32°C (2019) and the record low is 5°C (1999). May is one of the most comfortable months to visit.

Numazu weather in June

In June, Numazu averages a high of 27°C and a low of 18°C. It gets 180 mm of precipitation over about 9 rainy days. The sun is out about 21% of daylight hours. The June record high is 36°C (2011) and the record low is 9°C (2004).

Numazu weather in July

In July, Numazu averages a high of 31°C and a low of 22°C. It gets 202 mm of precipitation over about 10 rainy days. The sun is out about 27% of daylight hours. The July record high is 37°C (2024) and the record low is 12°C (1976).

Numazu weather in August

In August, Numazu averages a high of 32°C and a low of 23°C. It gets 151 mm of precipitation over about 8 rainy days. The sun is out about 39% of daylight hours. The August record high is 37°C (2016) and the record low is 16°C (2018).

Numazu weather in September

In September, Numazu averages a high of 29°C and a low of 19°C. It gets 198 mm of precipitation over about 9 rainy days. The sun is out about 37% of daylight hours. The September record high is 36°C (2010) and the record low is 11°C (1996).

Numazu weather in October

In October, Numazu averages a high of 24°C and a low of 13°C. It gets 168 mm of precipitation over about 8 rainy days. The sun is out about 44% of daylight hours. The October record high is 33°C (2019) and the record low is 3°C (1986). October is one of the most comfortable months to visit.

Numazu weather in November

In November, Numazu averages a high of 19°C and a low of 8°C. It gets 89 mm of precipitation over about 7 rainy days. The sun is out about 56% of daylight hours. The November record high is 28°C (2000) and the record low is -2°C (1973). November is one of the most comfortable months to visit.

Numazu weather in December

In December, Numazu averages a high of 14°C and a low of 2°C. It gets 57 mm of precipitation over about 5 rainy days. The sun is out about 70% of daylight hours. The December record high is 24°C (2015) and the record low is -8°C (1973).

Sunshine, humidity and wind in Numazu

December is the sunniest month in Numazu, with sunshine about 70% of daylight hours. June is the cloudiest, at 21%. Over the year the sun shines about 43% of daylight hours. Numazu is sunnier than 94% of Japan.

Humidity peaks in July at 88% and is lowest in January at 62%.

Numazu has about 24 days a year above 32°C. Numazu is hotter than 65% of Japan.

First and last freeze in Numazu

The first fall freeze in Numazu typically comes around December 12, and the last spring freeze around March 17. That leaves a frost-free growing season of about 270 days.

Numazu weather records

The hottest temperature on record at the Numazu station is 37°C, on August 9, 2016. The coldest is -8°C, on January 18, 1970.

The wettest day on record brought 271 mm of rain, on June 15, 1970.

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

The best time to visit Numazu

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 chilly, with average highs around 13°C and lows near 1°C.

Spring (March–May) is mild, with average highs around 20°C and lows near 9°C.

Summer (June–August) is hot, with average highs around 30°C and lows near 21°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 24°C and lows near 14°C.

Numazu climate questions

How much rain does Numazu get?

Numazu gets 1566 mm of precipitation in an average year, over about 90 rainy days.

What is the wettest month in Numazu?

July is the wettest month in Numazu, with 202 mm. December is the driest, with 57 mm.

How many rainy days does Numazu have a year?

Numazu has about 90 days with measurable rain in an average year. July has the most, about 10.

What is the hottest month in Numazu?

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

What is the coldest month in Numazu?

January is the coldest month in Numazu, with an average low of 0°C.

What is the record high temperature in Numazu?

The record high at the Numazu station is 37°C, set on August 9, 2016. The record low is -8°C, on January 18, 1970.

What is the sunniest month in Numazu?

December is the sunniest month in Numazu, with sunshine about 70% of daylight hours. June is the cloudiest.

When is the first frost in Numazu?

The first fall freeze in Numazu typically comes around December 12. The last spring freeze is around March 17.

What is the best time to visit Numazu?

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