Climate Insights for Selfoss

The climate in Selfoss is cool. The average annual temperature is 5°C and approximately 1,534 mm of precipitation falls per year. Selfoss receives a notable amount of rainfall throughout the year, including during its driest month. Selfoss 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 -3°C. Selfoss experiences heavy snowfall, typically from January through December.The climate in Selfoss is cool. The average annual temperature is 41°F and approximately 60.4 in of precipitation falls per year. Selfoss receives a notable amount of rainfall throughout the year, including during its driest month. Selfoss 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 26°F. Selfoss experiences heavy snowfall, typically from January through December.

Selfoss sees moderate temperature variation throughout the year, ranging from -3°C to 14°C. July is the warmest month, though highs remain moderate at 14°C with a mean of 12°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between September and October, with a 3°C shift in average temperatures.Selfoss sees moderate temperature variation throughout the year, ranging from 26°F to 57°F. July is the warmest month, though highs remain moderate at 57°F with a mean of 53°F. The coldest month is January, when overnight lows fall to 26°F and the daily average is 30°F. Daily temperature variation is modest, with an average difference of 8°F between highs and lows. The sharpest temperature change occurs between September and October, with a 6°F shift in average temperatures.

Selfoss is a fairly wet location, receiving approximately 1,534 mm of precipitation annually, which averages out to around 128 mm per month. The wettest month is September, averaging 164 mm of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 84 mm. That's 80 mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Selfoss receives heavy snowfall, accumulating around 271cm annually from January through December. The snowiest month is February, with approximately 61cm. Winter travel should account for significant snow cover.Selfoss is a fairly wet location, receiving approximately 60.4 in of precipitation annually, which averages out to around 5 in per month. The wettest month is September, averaging 6.5 in of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 3.3 in. That's 3.1 in less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Selfoss receives heavy snowfall, accumulating around 107in annually from January through December. The snowiest month is February, with approximately 24in. Winter travel should account for significant snow cover.

Selfoss is mildly breezy, with an average annual wind speed of 13km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap 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 14km/h in winter, 13km/h in spring, 11km/h in summer, 13km/h in autumn.Selfoss is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap 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 9mph in winter, 8mph in spring, 7mph in summer, 8mph in autumn.

The table below shows monthly climate averages for Selfoss 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.The table below shows monthly climate averages for Selfoss based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.