Climate Overview
The climate in Reyðarfjörður is cold. The average annual temperature is 2°C and approximately 1629mm of precipitation falls per year. Reyðarfjörður receives a notable amount of rainfall throughout the year, including during its driest month. Reyðarfjörður 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, December, February, when temperatures can drop to -6°C. Reyðarfjörður experiences heavy snowfall, typically from January through December.
Temperature
Reyðarfjörður sees moderate temperature variation throughout the year, ranging from -6°C to 11°C. July is the warmest month, though highs remain moderate at 11°C with a mean of 9°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -4°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.
Precipitation
Reyðarfjörður is a fairly wet location, receiving approximately 1629mm of precipitation annually, which averages out to around 136mm per month. The wettest month is December, averaging 230mm of rainfall. February and October also tend to see above-average precipitation. The driest month is May, with just 80mm. That's 150mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Reyðarfjörður receives heavy snowfall, accumulating around 817cm annually from January through December. The snowiest month is December, with approximately 166cm. Winter travel should account for significant snow cover.
Wind
Reyðarfjörður 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 December, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, 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 1km/h between the calmest and windiest months.
Seasons
89 days until Autumn
It is currently summer in Reyðarfjörður, which began on June 21, 2026. Reyðarfjörður 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 11°C, while the coldest stretch bottoms out in January near -6°C. Autumn is next, beginning on September 23, 2026 — 89 days from now.
Spring
Temperatures range from -5 to 6°C. Rainfall is heavy, totalling around 314mm across the season with a monthly average of 105mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 5 to 11°C. Precipitation is moderate at around 265mm for the season, averaging 88mm per month. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -5 to 8°C. Rainfall is heavy, totalling around 466mm across the season with a monthly average of 155mm. Expect around 157cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -6 to 0°C. Rainfall is heavy, totalling around 585mm across the season with a monthly average of 195mm. Expect around 436cm of snow accumulation during this period. Winds are generally light, averaging 2km/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 Reyðarfjörður 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.
