Seyðisfjörður Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Seyðisfjörður.
Climate overview of Seyðisfjörður
The climate in Seyðisfjörður, East Iceland, Iceland, is marked by large temperature swings across the seasons, ranging from 14°C (57°F) in July to 1°C (34°F) in December.
Rain/snowfall is high, totalling around 1414 mm (56 in) per year. January is the wettest month and June the driest. The city also experiences mild summers and very cold winters.
Seyðisfjörður Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Seyðisfjörður - and find the best time to visit.
Monthly Temperature in Seyðisfjörður
In Seyðisfjörður, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a moderate 14°C (57°F) in July, the warmest time of the year, to a very cold 1°C (34°F) during cooler months like December.
At night, you can expect temperatures ranging from 7°C (45°F) in July to around -6°C (21°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Seyðisfjörður
Seyðisfjörður experiences significant rain/snowfall throughout the year, averaging 1414 mm (56 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, January it receives high snow/rainfall, averaging 159 mm (6.3 in) of precipitation, recorded across 18 snowy/rainy days. In contrast, the driest month June brings less rainfall, with 73 mm (2.9 in) over 14 rainy days. For more details, please visit our Seyðisfjörður Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Seyðisfjörður
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July
- Warmest weather: July and August
- Seasonal pattern: Mild summers and very cold winters
- Coldest conditions: December, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Seyðisfjörður
What is the best time to visit Seyðisfjörður?
July typically offers the most optimal weather in Seyðisfjörður. In contrast, January, February, March, April, May, September, October, November and December tend to have less optimal conditions. Seyðisfjörður has mild summers and very cold winters.
What temperatures can I expect in Seyðisfjörður?
Daytime highs range from 1°C (34°F) in December to 14°C (57°F) in July. Nighttime lows range from -6°C (21°F) to 7°C (45°F). Temperatures vary considerably through the year.
How much rain does Seyðisfjörður get?
Annual rainfall is around 1414 mm (56 in). January is the wettest month with 159 mm (6.3 in), while June is the driest with 73 mm (2.9 in). In the coldest months, precipitation may fall as snow/rain.
Seyðisfjörður 3-Day Forecast
Seyðisfjörður on the map
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