Climate Insights for San Carlos Airport

The climate in San Carlos Airport is temperate. The average annual temperature is 13°C and approximately 1016mm of precipitation falls per year. San Carlos Airport receives a notable amount of rainfall throughout the year, including during its driest month. San Carlos Airport 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: January, December, February. The coldest months are July, June, August, when temperatures can drop to 0°C. Light snow can occur between May and October.

Temperatures in San Carlos Airport vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 21°C. The coldest month is July, when overnight lows fall to 0°C and the daily average is 5°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

San Carlos Airport is a moderately rainy area, receiving approximately 1016mm of precipitation annually, which averages out to around 85mm per month. The wettest month is October, averaging 125mm of rainfall. January and November also tend to see above-average precipitation. The driest month is July, with just 49mm. That's 76mm less than October, 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 October, totalling around 33cm annually. June is the snowiest month with approximately 9cm.

San Carlos Airport is mildly breezy, with an average annual wind speed of 13km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 11km/h in winter, 14km/h in spring, 15km/h in summer, 13km/h in autumn.

It is currently autumn in San Carlos Airport, which began on March 20, 2026. San Carlos Airport 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 January at around 28°C, while the coldest stretch bottoms out in July near 0°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit San Carlos Airport is during February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 78mm per month. By contrast, January can be uncomfortably hot with highs reaching 28°C, while July is the coldest period with lows dropping to 0°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for San Carlos 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. 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.