Climate Overview
The climate in Ario de Rosales is warm and mild. The average annual temperature is 19°C and approximately 1872mm of precipitation falls per year. August is the wettest month, receiving around 446mm of rainfall. Ario de Rosales is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, March. The coldest months are January, December, February, when temperatures can drop to 9°C.
Temperature
Ario de Rosales sees moderate temperature variation throughout the year, ranging from 9°C to 29°C. The warmest month is May, when average highs reach 29°C and the mean temperature sits around 22°C. January is the coolest month, with minimum temperatures around 9°C and an average of 16°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs.
Precipitation
Ario de Rosales is a fairly wet location, receiving approximately 1872mm of precipitation annually, which averages out to around 156mm per month. The wettest month is August, averaging 446mm of rainfall. September and July also tend to see above-average precipitation. The driest month is April, with just 1mm. That's 445mm 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.
Wind
Ario de Rosales is relatively calm, with an average annual wind speed of 11km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Ario de Rosales, which began on March 20, 2026. Ario de Rosales 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 May at around 29°C, while the coldest stretch bottoms out in January near 9°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 11 to 29°C. Rainfall is relatively light, with around 65mm over the season and a monthly average of 22mm. Winds are generally light, averaging 13km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 16 to 26°C. Rainfall is heavy, totalling around 1068mm across the season with a monthly average of 356mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 12 to 25°C. Rainfall is heavy, totalling around 719mm across the season with a monthly average of 240mm. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 9 to 25°C. Precipitation is minimal, with only around 20mm for the entire season. Winds are generally light, averaging 11km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Ario de Rosales is during January, February, March, April, May, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 19mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Ario de Rosales 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.
