Climate Insights for Iwo Jima Air Base

The climate in Iwo Jima Air Base is warm and mild. The average annual temperature is 25°C and approximately 1296mm of precipitation falls per year. Iwo Jima Air Base receives a notable amount of rainfall throughout the year, including during its driest month. Iwo Jima Air Base is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are February, January, March, when temperatures can drop to 20°C.

Iwo Jima Air Base has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 20°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows. The sharpest temperature change occurs between November and December, with a 2°C shift in average temperatures.

Iwo Jima Air Base is a fairly wet location, receiving approximately 1296mm of precipitation annually, which averages out to around 108mm per month. The wettest month is August, averaging 197mm of rainfall. October and July also tend to see above-average precipitation. The driest month is February, with just 34mm. That's 163mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Iwo Jima Air Base 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 December, averaging 33km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 24km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 9km/h 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 32km/h in winter, 28km/h in spring, 26km/h in summer, 28km/h in autumn.

It is currently spring in Iwo Jima Air Base, which began on March 20, 2026. Iwo Jima Air Base 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 July at around 29°C, while the coldest stretch bottoms out in February near 20°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Iwo Jima Air Base is during January, February, March and April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 59mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Iwo Jima Air Base 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.