January Weather in Grundarhverfi, Iceland

Last updated: August 23, 2025

In January, the average temperature in Grundarhverfi, Iceland hovers around -1°C (30°F). Expect temperatures to range from a chilly -16°C (3°F) on the low end to a mild 10°C (50°F) at the peak. During this month, precipitation accumulates to about 118 mm (4.6 in) over 16 days, contributing to a high average humidity of 96%. Prepare for an atmosphere that is not only cold but also quite damp!

January Temperature in Grundarhverfi

In January in Grundarhverfi, the average temperature is -1°C (30°F), with maximums reaching 10°C (50°F) and minimums dropping as low as -16°C (3°F). Travelers should come prepared for cold weather and potential temperature fluctuations during their visit.

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

The chart illustrates January temperature patterns in Grundarhverfi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grundarhverfi, January typically has an average temperature of -1°C (30°F), with highs reaching up to 10°C (50°F) and lows dropping to around -16°C (3°F).

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

January Precipitation in Grundarhverfi

In Grundarhverfi in January, the precipitation amount is 118 mm (4.6 in) over the course of 16 days.

January Precipitation Trends in Grundarhverfi

The chart displays monthly precipitation patterns in Grundarhverfi, 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 Grundarhverfi, January typically receives around 118 mm (4.6 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 Grundarhverfi

In Grundarhverfi in January humidity is 96%. With an average temperature of -1°C (30°F), this humidity feels like a chilling dampness that seeps into your clothes, making every step outdoors uncomfortable and invigoratingly biting, leaving you yearning for warmth and shelter while exploring.

January Average Humidity in Grundarhverfi

This chart illustrates the average monthly humidity levels in Grundarhverfi, 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 Grundarhverfi 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 Grundarhverfi

In Grundarhverfi 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 Grundarhverfi.

Maximum UV Index Levels in Grundarhverfi for January

The chart shows the monthly maximum UV Index (UVI) for Grundarhverfi 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 Grundarhverfi typically reaches 1, which falls under the low exposure category.

Data source: Grundarhverfi 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 Grundarhverfi Compares to Other Months

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

This table compares monthly weather conditions in Grundarhverfi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	118 mm (4.6 inches)	96%	low
February Weather	-1°C (31°F)	131 mm (5.1 inches)	95%	low
March Weather	1°C (33°F)	106 mm (4.2 inches)	94%	low
April Weather	4°C (39°F)	123 mm (4.8 inches)	87%	moderate
May Weather	7°C (44°F)	118 mm (4.6 inches)	85%	moderate
June Weather	9°C (49°F)	94 mm (3.7 inches)	81%	high
July Weather	11°C (53°F)	76 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)	162 mm (6.4 inches)	92%	moderate
October Weather	5°C (41°F)	94 mm (3.7 inches)	93%	low
November Weather	1°C (34°F)	105 mm (4.1 inches)	94%	low
December Weather	0°C (32°F)	107 mm (4.2 inches)	95%	low