Climate Insights for Keflavík

The climate in Keflavík is cool. The average annual temperature is 6°C and approximately 1,342 mm of precipitation falls per year. Keflavík receives a notable amount of rainfall throughout the year, including during its driest month. Keflavík is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 0°C. Snowfall occurs from January to December, with around 168cm accumulating over the season.The climate in Keflavík is cool. The average annual temperature is 42°F and approximately 52.8 in of precipitation falls per year. Keflavík receives a notable amount of rainfall throughout the year, including during its driest month. Keflavík is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 32°F. Snowfall occurs from January to December, with around 66in accumulating over the season.

Keflavík sees moderate temperature variation throughout the year, ranging from 0°C to 12°C. August is the warmest month, though highs remain moderate at 12°C with a mean of 11°C. The coldest month is January, when overnight lows fall to 0°C and the daily average is 1°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between September and October, with a 3°C shift in average temperatures.Keflavík sees moderate temperature variation throughout the year, ranging from 32°F to 54°F. August is the warmest month, though highs remain moderate at 54°F with a mean of 52°F. The coldest month is January, when overnight lows fall to 32°F and the daily average is 35°F. Daily temperature variation is modest, with an average difference of 5°F between highs and lows. The sharpest temperature change occurs between September and October, with a 5°F shift in average temperatures.

Keflavík is a fairly wet location, receiving approximately 1,342 mm of precipitation annually, which averages out to around 112 mm per month. The wettest month is September, averaging 140 mm of rainfall. October and January also tend to see above-average precipitation. The driest month is July, with just 76 mm. That's 64 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. Snowfall is a regular feature from January to December, with around 168cm accumulating over the season. February typically sees the most snow at around 42cm.Keflavík is a fairly wet location, receiving approximately 52.8 in of precipitation annually, which averages out to around 4.4 in per month. The wettest month is September, averaging 5.5 in of rainfall. October and January also tend to see above-average precipitation. The driest month is July, with just 3 in. That's 2.5 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. Snowfall is a regular feature from January to December, with around 66in accumulating over the season. February typically sees the most snow at around 17in.

Keflavík is moderately windy, with an average annual wind speed of 22km/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 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, 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 10km/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 26km/h in winter, 22km/h in spring, 18km/h in summer, 23km/h in autumn.Keflavík is very windy, with an average annual wind speed of 14mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 17mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 11mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6mph 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 16mph in winter, 14mph in spring, 11mph in summer, 14mph in autumn.

The table below shows monthly climate averages for Keflavík 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 Keflavík 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.