Siglufjörður Weather in January
During January, Siglufjörður experiences low daytime temperatures of 3°C (37°F) and cooler nights around -2°C (28°F). Expect quite a bit of snow/rainfall. Around 128 mm (5 in) is typical.
Rainfall in Siglufjörður in January
Records from the past 30 years suggest around 17 days of snow/rain, with 128 mm (5 in) average for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Siglufjörður in January
Daytime temperatures in Siglufjörður reach 3°C (37°F) in January, dropping to -2°C (28°F) at night. It stays very cold throughout much of the day, so warm winter clothing is essential. At -2°C (28°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. Prepare for low temperatures this month by wearing plenty of layers. It's essential to stay warm in such cold conditions.
Sunshine in Siglufjörður in January
This month sees fewer sunny days, with about 7 hours of sunshine, perfect for those who enjoy cooler temperatures.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Siglufjörður.
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 Siglufjörður's climate page.
Siglufjörður Temperature in January
Min Temperature
-2°C (28°F)
Max Temperature
3°C (37°F)
Chance of Rain
55%
Precipitation
128 mm (5 in)
Rainy days
17 days
Humidity
79% *
Sunshine
7 hours *
Percentage Sunshine
5% *
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Siglufjörður typically stay consistent throughout January, with daily highs averaging around 3°C (37°F). Nights are very cold, with lows typically ranging from -7°C (19°F) to -4°C (25°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 Siglufjörður in January
Browse day-by-day weather records for Siglufjörður spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Siglufjörður historical weather extremes in January
According to our 25 years of weather records for Siglufjörður, the following extremes were recorded between 2000 and 2025.
- Siglufjörður recorded its highest January temperature of 13°C (55°F) on January 9, 2019.
- Siglufjörður experienced its chilliest January day on January 29, 2002, reaching only -11°C (12°F).
- The lowest overnight temperature recorded in January was -18°C (0°F) (January 2, 2010).
- The wettest day in January Siglufjörður was on January 20, 2002 with 21 mm (0.8 in) of precipitation.
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 Siglufjörður in January
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Siglufjörður 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 Siglufjörður's climate page.
Temperature Rainfall Sunshine Humidity
See the full Siglufjörður climate overview or explore weather in Iceland.
