Climate Overview
The climate in Reykjahlíð Mývatn Airport is cool. The average annual temperature is 3°C and approximately 1012mm of precipitation falls per year. Reykjahlíð Mývatn Airport receives a notable amount of rainfall throughout the year, including during its driest month. Reykjahlíð Mývatn Airport 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, March, when temperatures can drop to -6°C. Reykjahlíð Mývatn Airport experiences heavy snowfall, typically from January through December.
Temperature
Reykjahlíð Mývatn Airport sees moderate temperature variation throughout the year, ranging from -6°C to 13°C. July is the warmest month, though highs remain moderate at 13°C with a mean of 10°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Reykjahlíð Mývatn Airport is a moderately rainy area, receiving approximately 1012mm of precipitation annually, which averages out to around 84mm per month. The wettest month is December, averaging 120mm of rainfall. September and November also tend to see above-average precipitation. The driest month is May, with just 60mm. That's 61mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Reykjahlíð Mývatn Airport receives heavy snowfall, accumulating around 507cm annually from January through December. The snowiest month is December, with approximately 99cm. Winter travel should account for significant snow cover.
Wind
Reykjahlíð Mývatn Airport is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
84 days until Autumn
It is currently summer in Reykjahlíð Mývatn Airport, which began on June 21, 2026. Reykjahlíð Mývatn Airport 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 13°C, while the coldest stretch bottoms out in January near -6°C. Autumn is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from -5 to 8°C. Precipitation is moderate at around 185mm for the season, averaging 62mm per month. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 6 to 13°C. Precipitation is moderate at around 243mm for the season, averaging 81mm per month. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -3 to 10°C. Rainfall is heavy, totalling around 302mm across the season with a monthly average of 101mm. Expect around 128cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -6 to 1°C. Precipitation is moderate at around 282mm for the season, averaging 94mm per month. Expect around 237cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Reykjahlíð Mývatn Airport 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.
