Seyðisfjörður Weather in January
January in Seyðisfjörður brings very low temperatures, with daytime highs of 2°C (36°F) and nights around -5°C (23°F). It's also the wettest month of the year, so an umbrella is a must.
Rainfall in Seyðisfjörður in January
Prepare for the heaviest rain of the year this month, which often comes in heavy showers. A poncho is a smart choice to stay dry. Historically, the month has about 18 days of snow/rain, averaging 159 mm (6.3 in) in total. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Seyðisfjörður in January
In January, Seyðisfjörður gets very low temperatures, with highs of 2°C (36°F). Nights cool to around -5°C (23°F). January is part of the winter season. Staying warm is the main priority this month, especially during mornings and evenings. Nights are well below freezing at -5°C (23°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. It is a very cold month, so be prepared and make sure to dress up warm. It's always better to be prepared than to find oneself shivering in the cold.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Seyðisfjörður.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Seyðisfjörður's climate page.
Seyðisfjörður Temperature in January
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Seyðisfjörður typically stay consistent throughout January, with daily highs averaging around 2°C (36°F). Nights are very cold, with lows typically ranging from -4°C (25°F) to -2°C (28°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Seyðisfjörður in January
Browse day-by-day weather records for Seyðisfjörður spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Seyðisfjörður historical weather extremes in January
Based on 25 years of weather observations (2000-2025), these are the most extreme conditions recorded in Seyðisfjörður.
- The hottest January day on record in Seyðisfjörður reached 21°C (70°F) (January 16, 2000).
- The lowest daytime temperature in January was -10°C (14°F), recorded on January 18, 2024.
- The coldest night in January in Seyðisfjörður was on January 9, 2025, with a minimum of -18°C (0°F).
- Peak precipitation in January occurred on January 7, 2015, when 31 mm (1.2 in) of precipitation was measured.
Best Places in Iceland in January
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in January →
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What to Wear in Seyðisfjörður in January
Dress warmly and in layers for your trip to Seyðisfjörður in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions.What To Do in Seyðisfjörður in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Seyðisfjörður's climate page.
See the full Seyðisfjörður climate overview or explore weather in Iceland.