January weather forecastStykkishólmur, Iceland
January
Weather in January
In the dead of winter, Stykkishólmur, Iceland, displays its harsh, freezing climate. The mercury barely rises above freezing, with the average high reaching 1.1°C (34°F) and plunging to -1.5°C (29.3°F) at night—the lowest of the year. Persistent snowfall is a defining feature of this month, turning the city into a winter wonderland. Add to this the powerful wind gusts that can reach up to 39.5km/h (24.5mph), the highest recorded for the year, and it quickly becomes essential to dress warmly. During this period, the city sees less daylight, although the crystalline snow beautifully reflects what little light there is, creating a unique ambiance.Temperature
Transitioning into January, Stykkishólmur records an average high-temperature of a still cold 1.1°C (34°F), almost identical to December's 0.7°C (33.3°F). In Stykkishólmur, the month of January records an average minimum temperature of -1.5°C (29.3°F), a slight dip from the daily highs.Humidity
The months with the highest humidity in Stykkishólmur are January, February and October, with an average relative humidity of 83%.Rainfall
January is the month with the most rainfall. Rain falls for 9.3 days and accumulates 40mm (1.57") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Stykkishólmur, in January, during 11.6 snowfall days, 91mm (3.58") of snow is typically accumulated. Throughout the year, in Stykkishólmur, Iceland, there are 64.8 snowfall days, and 403mm (15.87") of snow is accumulated.Sea temperature
In January, the average sea temperature in Stykkishólmur is 3.2°C (37.8°F).Note: While swimming, this scenario is perilously cold, dangerous, and potentially fatal. Hypothermia is almost imminent without proper insulated waterproof attire.
Daylight
In January, the average length of the day is 5h and 12min.On the first day of January, sunrise is at 11:38 and sunset at 15:29. On the last day of the month, sunrise is at 10:22 and sunset at 17:05 GMT.
Sunshine
The average sunshine in January in Stykkishólmur is 2.2h.UV index
The months with the lowest UV index are January, February, April, October through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in January converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Stykkishólmur, Iceland
- Average high temperature in January: 1.1°C
The warmest month (with the highest average high temperature) is July (12.1°C).
The month with the lowest average high temperature is December (0.7°C).
- Average low temperature in January: -1.5°C
The month with the highest average low temperature is July (8.3°C).
The coldest months (with the lowest average low temperature) are February and December (-1.8°C).
Average pressure in January
Stykkishólmur, Iceland
- Average pressure in January: 996.7mbar
The month with the highest atmospheric pressure is June (1014.1mbar).
The month with the lowest atmospheric pressure is January (996.7mbar).
Average wind speed in January
Stykkishólmur, Iceland
- Average wind speed in January: 25.2km/h
The windiest month (with the highest average wind speed) is February (25.9km/h).
The calmest month (with the lowest average wind speed) is June (14.6km/h).
Average humidity in January
Stykkishólmur, Iceland
- Average humidity in January: 83%
The months with the highest relative humidity are January, February and October (83%).
The month with the lowest relative humidity is May (77%).
Average rainfall in January
Stykkishólmur, Iceland
- Average rainfall in January: 40mm
The wettest month (with the highest rainfall) is January (40mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in January
Stykkishólmur, Iceland
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is October (15.7 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in January
Stykkishólmur, Iceland
- Average snowfall in January: 91mm
The month with the highest snowfall is March (97mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Stykkishólmur, Iceland
- Average snowfall days in January: 11.6 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in January
Stykkishólmur, Iceland
- Average sea temperature in January: 3.2°C
The best month for swimming (with the highest average sea temperature) is August (10.3°C).
The coldest month (with the lowest average sea temperature) is March (2.1°C).
Average daylight in January /
Average sunshine in January
Stykkishólmur, Iceland
- Average daylight in January: 5h and 12min
The month with the longest days is June (Average daylight: 21h and 42min).
The month with the shortest days is December (Average daylight: 3h and 48min).
- Average sunshine in January: 2h and 12min
The month with the most sunshine is May (Average sunshine: 7h and 18min).
The month with the least sunshine is June (Average sunshine: 0h and 48min).
Average sunshine days in January
Stykkishólmur, Iceland
- Average sunshine days in January: 10.5 days
The months with the most sunshine days are June and July (16.8 days).
The month with the least sunshine days is March (9.1 days).
Average UV index in January
Stykkishólmur, Iceland
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, April, October, November and December (UV index 1).
Average cloud cover in January
Stykkishólmur, Iceland
- Average cloud cover in January: 69
The month with the most cloud cover is March (Cloud cover 72).
The months with the least cloud cover are May and June (Cloud cover 61).
Average visibility in January
Stykkishólmur, Iceland
- Average visibility in January: 9km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (9km).





