January Weather in Seltjarnarnes, Iceland

Last updated: August 23, 2025

In January, the average temperature in Seltjarnarnes, Iceland hovers around 0°C (32°F), with lows plunging to -13°C (8°F) and highs reaching up to 10°C (50°F). This month is notably damp, with 113 mm (4.5 in) of precipitation spread across 16 days, resulting in a high average humidity of 96%. Be prepared for chilly and wet conditions!

January Temperature in Seltjarnarnes

In January in Seltjarnarnes, the average temperature is 0°C (32°F). The maximum can reach 10°C (50°F), while the minimum can be as low as -13°C (8°F). Be prepared for chilly weather and pack appropriate winter clothing if you're planning to visit.

January Weather in Seltjarnarnes: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Seltjarnarnes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seltjarnarnes, January typically has an average temperature of 0°C (32°F), with highs reaching up to 10°C (50°F) and lows dropping to around -13°C (8°F).

Data source: Temperature data for Seltjarnarnes generated using information from the Copernicus Climate Change Service.

January Precipitation in Seltjarnarnes

In Seltjarnarnes in January, the total precipitation amount is 113 mm (4.5 in) which falls over a period of 16 days.

January Precipitation Trends in Seltjarnarnes

The chart displays monthly precipitation patterns in Seltjarnarnes, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Seltjarnarnes, January typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Seltjarnarnes

In Seltjarnarnes in January humidity is 96%. With an average temperature of 0°C (32°F), this humidity feels like a thick fog, wrapping around you and making every step feel heavier as you travel. The cold dampness seeps into your bones, leaving you shivering if you're not properly bundled up, while the weight of the humidity hangs in the air, creating an uncomfortable and exhausting atmosphere for exploring.

January Average Humidity in Seltjarnarnes

This chart illustrates the average monthly humidity levels in Seltjarnarnes, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Seltjarnarnes is approximately 96%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Seltjarnarnes

In Seltjarnarnes in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Seltjarnarnes.

Maximum UV Index Levels in Seltjarnarnes for January

The chart shows the monthly maximum UV Index (UVI) for Seltjarnarnes in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Seltjarnarnes typically reaches 1, which falls under the low exposure category.

Data source: Seltjarnarnes January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Seltjarnarnes Compares to Other Months

Weather in Seltjarnarnes varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Seltjarnarnes, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Seltjarnarnes, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	113 mm (4.5 inches)	96%	low
February Weather	0°C (33°F)	125 mm (4.9 inches)	95%	low
March Weather	1°C (34°F)	103 mm (4.1 inches)	94%	low
April Weather	4°C (40°F)	121 mm (4.8 inches)	87%	moderate
May Weather	7°C (44°F)	113 mm (4.4 inches)	85%	moderate
June Weather	9°C (49°F)	92 mm (3.6 inches)	81%	high
July Weather	11°C (53°F)	75 mm (3.0 inches)	86%	high
August Weather	11°C (52°F)	83 mm (3.3 inches)	88%	moderate
September Weather	8°C (47°F)	164 mm (6.5 inches)	92%	moderate
October Weather	5°C (42°F)	96 mm (3.8 inches)	93%	low
November Weather	2°C (35°F)	105 mm (4.1 inches)	94%	low
December Weather	0°C (33°F)	106 mm (4.2 inches)	95%	low