Climate Insights for Alto

The climate in Alto is cool. The average annual temperature is 9°C and approximately 912mm of precipitation falls per year. Alto receives a notable amount of rainfall throughout the year, including during its driest month. Alto is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -9°C. Snowfall occurs from January to December, with around 132cm accumulating over the season.

Alto has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -9°C and the daily average is -6°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.

Alto is a moderately rainy area, receiving approximately 912mm of precipitation annually, which averages out to around 76mm per month. The wettest month is June, averaging 103mm of rainfall. April and May also tend to see above-average precipitation. The driest month is February, with just 39mm. That's 65mm 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 January to December, with around 132cm accumulating over the season. January typically sees the most snow at around 28cm.

Alto is mildly breezy, with an average annual wind speed of 14km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 15km/h in spring, 12km/h in summer, 15km/h in autumn.

It is currently summer in Alto, which began on June 21, 2026. Alto 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 July at around 28°C, while the coldest stretch bottoms out in January near -9°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Alto is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 90mm per month. By contrast, January can be quite cold with temperatures dropping to -9°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 Alto 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.