Climate Overview
The climate in Río Mayo is temperate. The average annual temperature is 11°C and approximately 245mm of precipitation falls per year. June is the wettest month, receiving around 34mm of rainfall. Río Mayo 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, January, December. The coldest months are July, June, August, when temperatures can drop to 0°C. Light snow can occur between May and September.
Temperature
Temperatures in Río Mayo vary considerably across the year, with a 25°C difference between the coldest and warmest months. February is the warmest month, though highs remain moderate at 25°C with a mean of 18°C. July is the coolest month, with minimum temperatures around 0°C and an average of 3°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 4°C shift in average temperatures.
Precipitation
Río Mayo is a quite dry location, receiving approximately 245mm of precipitation annually, which averages out to around 20mm per month. The wettest month is June, averaging 34mm of rainfall. April and July also tend to see above-average precipitation. The driest month is February, with just 8mm. That's 25mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Light snowfall can occur between May and September, totalling around 28cm annually. June is the snowiest month with approximately 10cm.
Wind
Río Mayo is very windy, with an average annual wind speed of 31km/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 37km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in May, with average winds dropping to 25km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 12km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 27km/h in winter, 33km/h in spring, 36km/h in summer, 29km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Río Mayo, which began on March 20, 2026. Río Mayo 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 25°C, while the coldest stretch bottoms out in July near 0°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 3 to 21°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are strong, averaging 33km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 10 to 25°C. Precipitation is minimal, with only around 39mm for the entire season. Winds are strong, averaging 36km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 3 to 21°C. Rainfall is relatively light, with around 78mm over the season and a monthly average of 26mm. Winds are strong, averaging 29km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 0 to 11°C. Rainfall is relatively light, with around 83mm over the season and a monthly average of 28mm. Expect around 23cm of snow accumulation during this period. Winds are strong, averaging 27km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Río Mayo is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 13mm per month. By contrast, July can be quite cold with temperatures dropping to 0°C. 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 Río Mayo 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.