Climate Overview
The climate in Niijima Airport is warm and mild. The average annual temperature is 19°C and approximately 2279mm of precipitation falls per year. Niijima Airport receives a notable amount of rainfall throughout the year, including during its driest month. Niijima Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, January, March, when temperatures can drop to 10°C.
Temperature
Niijima Airport sees moderate temperature variation throughout the year, ranging from 10°C to 28°C. 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 10°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between November and December, with a 5°C shift in average temperatures.
Precipitation
Niijima Airport is a very wet location, receiving approximately 2279mm of precipitation annually, which averages out to around 190mm per month. The wettest month is June, averaging 287mm of rainfall. September and October also tend to see above-average precipitation. The driest month is December, with just 108mm. That's 179mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Niijima Airport is very windy, with an average annual wind speed of 39km/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 47km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in August, with average winds dropping to 31km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 16km/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 46km/h in winter, 40km/h in spring, 33km/h in summer, 39km/h in autumn.
Seasons
88 days until Summer
It is currently spring in Niijima Airport, which began on March 20, 2026. Niijima 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 10°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 13 to 21°C. Rainfall is heavy, totalling around 569mm across the season with a monthly average of 190mm. Winds are strong, averaging 40km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 28°C. Rainfall is heavy, totalling around 615mm across the season with a monthly average of 205mm. Winds are strong, averaging 33km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 17 to 27°C. Rainfall is heavy, totalling around 741mm across the season with a monthly average of 247mm. Winds are strong, averaging 39km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 10 to 15°C. Rainfall is heavy, totalling around 354mm across the season with a monthly average of 118mm. Winds are strong, averaging 46km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Niijima 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. 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.
