Climate Insights for Otta

The climate in Otta is cold. The average annual temperature is 1°C and approximately 819mm of precipitation falls per year. Otta receives a notable amount of rainfall throughout the year, including during its driest month. Otta 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, February, December, when temperatures can drop to -12°C. Otta experiences heavy snowfall, typically from January through December.

Temperatures in Otta vary considerably across the year, with a 29°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 17°C with a mean of 12°C. The coldest month is January, when overnight lows fall to -12°C and the daily average is -9°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Otta is a moderately rainy area, receiving approximately 819mm of precipitation annually, which averages out to around 68mm per month. The wettest month is August, averaging 104mm of rainfall. July and September also tend to see above-average precipitation. The driest month is April, with just 41mm. That's 63mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Otta receives heavy snowfall, accumulating around 356cm annually from January through December. The snowiest month is December, with approximately 63cm. Winter travel should account for significant snow cover.

Otta is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently summer in Otta, which began on June 21, 2026. Otta 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 17°C, while the coldest stretch bottoms out in January near -12°C. Autumn is next, beginning on September 23, 2026 — 88 days from now.

The table below shows monthly climate averages for Otta 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.