Climate Insights for Izumo Airport

The climate in Izumo Airport is temperate. The average annual temperature is 16°C and approximately 1781mm of precipitation falls per year. Izumo Airport receives a notable amount of rainfall throughout the year, including during its driest month. Izumo Airport 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 February, January, December, when temperatures can drop to 6°C. Light snow can occur between January and December.

Temperatures in Izumo Airport vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 6°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between November and December, with a 5°C shift in average temperatures.

Izumo Airport is a fairly wet location, receiving approximately 1781mm of precipitation annually, which averages out to around 148mm per month. The wettest month is July, averaging 222mm of rainfall. September and August also tend to see above-average precipitation. The driest month is May, with just 103mm. That's 119mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 44cm annually. January is the snowiest month with approximately 20cm.

Izumo Airport is moderately windy, with an average annual wind speed of 29km/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 35km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 12km/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 35km/h in winter, 29km/h in spring, 24km/h in summer, 28km/h in autumn.

It is currently spring in Izumo Airport, which began on March 20, 2026. Izumo Airport 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 28°C, while the coldest stretch bottoms out in February near 6°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Izumo Airport 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.