Climate Insights for Alpine – Casparis Municipal Airport

The climate in Alpine – Casparis Municipal Airport is temperate. The average annual temperature is 18°C and approximately 322mm of precipitation falls per year. August is the wettest month, receiving around 73mm of rainfall. Alpine – Casparis Municipal Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are January, December, February, when temperatures can drop to 1°C. Light snow can occur between January and December.

Temperatures in Alpine – Casparis Municipal Airport vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is June, when average highs reach 33°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 1°C and an average of 7°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Alpine – Casparis Municipal Airport is a quite dry location, receiving approximately 322mm of precipitation annually, which averages out to around 27mm per month. The wettest month is August, averaging 73mm of rainfall. September and July also tend to see above-average precipitation. The driest month is January, with just 11mm. That's 62mm 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. Light snowfall can occur between January and December, totalling around 9cm annually. December is the snowiest month with approximately 4cm.

Alpine – Casparis Municipal Airport is moderately windy, with an average annual wind speed of 21km/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 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months.

It is currently spring in Alpine – Casparis Municipal Airport, which began on March 20, 2026. Alpine – Casparis Municipal Airport 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 June at around 33°C, while the coldest stretch bottoms out in January near 1°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Alpine – Casparis Municipal Airport is during April, May, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 29mm per month. By contrast, June can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to 1°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Alpine – Casparis Municipal 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.