Climate Overview
The climate in Izumozaki is temperate. The average annual temperature is 15°C and approximately 1770mm of precipitation falls per year. Izumozaki receives a notable amount of rainfall throughout the year, including during its driest month. Izumozaki is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 0°C. Snowfall occurs from January to December, with around 147cm accumulating over the season.
Temperature
Temperatures in Izumozaki vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 32°C and the mean temperature sits around 28°C. The coldest month is January, when overnight lows fall to 0°C and the daily average is 3°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Izumozaki is a fairly wet location, receiving approximately 1770mm of precipitation annually, which averages out to around 148mm per month. The wettest month is December, averaging 215mm of rainfall. July and January also tend to see above-average precipitation. The driest month is May, with just 101mm. That's 114mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 147cm accumulating over the season. January typically sees the most snow at around 61cm.
Wind
Izumozaki is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 18km/h in winter, 16km/h in spring, 12km/h in summer, 14km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Izumozaki, which began on March 20, 2026. Izumozaki is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 32°C, while the coldest stretch bottoms out in January near 0°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 3 to 23°C. Rainfall is heavy, totalling around 322mm across the season with a monthly average of 107mm. Winds are moderate at around 16km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 18 to 32°C. Rainfall is heavy, totalling around 496mm across the season with a monthly average of 165mm. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 7 to 27°C. Rainfall is heavy, totalling around 430mm across the season with a monthly average of 143mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 0 to 8°C. Rainfall is heavy, totalling around 522mm across the season with a monthly average of 174mm. Expect around 135cm of snow accumulation during this period. Winds are moderate at around 18km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Izumozaki based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
