Climate Insights for Ross-Bétio

The climate in Ross-Bétio is hot. The average annual temperature is 27°C and approximately 154mm of precipitation falls per year. August is the wettest month, receiving around 70mm of rainfall. Ross-Bétio is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: October, November, April. The coldest months are January, February, December, when temperatures can drop to 19°C.

Ross-Bétio sees moderate temperature variation throughout the year, ranging from 19°C to 36°C. October is the hottest month, with daytime highs reaching 36°C and an average of 30°C. January is the coolest month, with minimum temperatures around 19°C and an average of 25°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 3°C shift in average temperatures.

Ross-Bétio is a quite dry location, receiving approximately 154mm of precipitation annually, which averages out to around 13mm per month. The wettest month is August, averaging 70mm of rainfall. September and July also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 70mm 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.

Ross-Bétio is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, 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 8km/h gap between the calmest and windiest months.

It is currently summer in Ross-Bétio, which began on June 21, 2026. Ross-Bétio 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 October at around 36°C, while the coldest stretch bottoms out in January near 19°C. Autumn is next, beginning on September 23, 2026 (3 days from now).

The best time to visit Ross-Bétio is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 0mm per month. By contrast, October can be uncomfortably hot with temperatures reaching 36°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Ross-Bétio 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.