Climate Overview
The climate in Jose De San Martin Airport is cool. The average annual temperature is 8°C and approximately 430mm of precipitation falls per year. June is the wettest month, receiving around 66mm of rainfall. Jose De San Martin 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: February, January, December. The coldest months are July, June, August, when temperatures can drop to -2°C. Snowfall occurs from April to October, with around 99cm accumulating over the season.
Temperature
Temperatures in Jose De San Martin Airport vary considerably across the year, with a 24°C difference between the coldest and warmest months. February is the warmest month, though highs remain moderate at 22°C with a mean of 15°C. The coldest month is July, when overnight lows fall to -2°C and the daily average is 1°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
Jose De San Martin Airport is a relatively dry area, receiving approximately 430mm of precipitation annually, which averages out to around 36mm per month. The wettest month is June, averaging 66mm of rainfall. July and August also tend to see above-average precipitation. The driest month is January, with just 16mm. That's 50mm 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. Snowfall is a regular feature from April to October, with around 99cm accumulating over the season. June typically sees the most snow at around 35cm.
Wind
Jose De San Martin Airport is relatively calm, with an average annual wind speed of 4km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
84 days until Spring
It is currently winter in Jose De San Martin Airport, which began on June 21, 2026. Jose De San Martin 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 February at around 22°C, while the coldest stretch bottoms out in July near -2°C. Spring is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 1 to 18°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 7 to 22°C. Rainfall is relatively light, with around 62mm over the season and a monthly average of 21mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 1 to 19°C. Rainfall is relatively light, with around 112mm over the season and a monthly average of 37mm. Expect around 11cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -2 to 8°C. Precipitation is moderate at around 158mm for the season, averaging 53mm per month. Expect around 78cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Jose De San Martin 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.
