Climate Insights for Altamont

The climate in Altamont is temperate. The average annual temperature is 16°C and approximately 1058mm of precipitation falls per year. February is the wettest month, receiving around 170mm of rainfall. Altamont is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, December, February, when temperatures can drop to -2°C. Light snow can occur between January and March.

Temperatures in Altamont vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 26°C. The coldest month is January, when overnight lows fall to -2°C and the daily average is 2°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 7°C shift in average temperatures.

Altamont is a moderately rainy area, receiving approximately 1058mm of precipitation annually, which averages out to around 88mm per month. The wettest month is February, averaging 170mm of rainfall. December and July also tend to see above-average precipitation. The driest month is October, with just 11mm. That's 159mm less than February, 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 March, totalling around 30cm annually. January is the snowiest month with approximately 19cm.

Altamont is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Altamont, which began on June 21, 2026. Altamont 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 31°C, while the coldest stretch bottoms out in January near -2°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Altamont is during April, May, June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 54mm per month. By contrast, July can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows dropping to -2°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Altamont 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.