Climate Overview
The climate in Port-Olry is hot. The average annual temperature is 25°C and approximately 2741mm of precipitation falls per year. Port-Olry receives a notable amount of rainfall throughout the year, including during its driest month. Port-Olry is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, March, January. The coldest months are August, September, July, when temperatures can drop to 23°C.
Temperature
Port-Olry has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is February, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 23°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Port-Olry is a very wet location, receiving approximately 2741mm of precipitation annually, which averages out to around 228mm per month. The wettest month is March, averaging 373mm of rainfall. February and April also tend to see above-average precipitation. The driest month is July, with just 130mm. That's 244mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Port-Olry is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in January, 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 9km/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 20km/h in winter, 18km/h in spring, 13km/h in summer, 15km/h in autumn.
Seasons
3 days until Spring
It is currently winter in Port-Olry, which began on June 21, 2026. Port-Olry is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 28°C, while the coldest stretch bottoms out in August near 23°C. Spring is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 24 to 26°C. Rainfall is heavy, totalling around 568mm across the season with a monthly average of 189mm. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 819mm across the season with a monthly average of 273mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 936mm across the season with a monthly average of 312mm. Winds are generally light, averaging 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 26°C. Rainfall is heavy, totalling around 417mm across the season with a monthly average of 139mm. Winds are moderate at around 20km/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 Port-Olry 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.
