Climate Insights for Port of the Islands Airport

The climate in Port of the Islands Airport is warm and mild. The average annual temperature is 25°C and approximately 1476mm of precipitation falls per year. June is the wettest month, receiving around 255mm of rainfall. Port of the Islands Airport 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 January, December, February, when temperatures can drop to 15°C.

Port of the Islands Airport sees moderate temperature variation throughout the year, ranging from 15°C to 33°C. The warmest month is July, when average highs reach 33°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 15°C and an average of 19°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 3°C shift in average temperatures.

Port of the Islands Airport is a fairly wet location, receiving approximately 1476mm of precipitation annually, which averages out to around 123mm per month. The wettest month is June, averaging 255mm of rainfall. August and September also tend to see above-average precipitation. The driest month is March, with just 24mm. That's 231mm less than June, 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.

Port of the Islands Airport is relatively calm, with an average annual wind speed of 3km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Port of the Islands Airport, which began on June 21, 2026. Port of the Islands 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 July at around 33°C, while the coldest stretch bottoms out in January near 15°C. Autumn is next, beginning on September 23, 2026 — 76 days from now.

The best time to visit Port of the Islands Airport is during January, February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 39mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 33°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 Port of the Islands 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.