January Weather in Groa, Norway

Last updated: August 27, 2025

In January, the average temperature in Groa, Norway hovers around -4°C (25°F), with extremes ranging from a chilly -19°C (-1°F) to a milder 8°C (48°F). Expect 137 mm (5.4 in) of precipitation over approximately 15 days, contributing to an average humidity of 93%. Be prepared for a cold and damp atmosphere!

January Temperature in Groa

In January in Groa, the average temperature is -4°C (25°F), with maximums reaching 8°C (48°F) and minimums dipping as low as -19°C (-1°F). Travelers should be prepared for cold conditions and dress warmly to fully enjoy their visit.

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

The chart illustrates January temperature patterns in Groa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Groa, January typically has an average temperature of -4°C (25°F), with highs reaching up to 8°C (48°F) and lows dropping to around -19°C (-1°F).

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

January Precipitation in Groa

In Groa in January, the precipitation amount is 137 mm (5.4 in) over the course of 15 days.

January Precipitation Trends in Groa

The chart displays monthly precipitation patterns in Groa, 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 Groa, January typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 15 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 Groa

In Groa in January humidity is 93%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that clings to the skin, making even short excursions outdoors feel daunting and uncomfortable.

January Average Humidity in Groa

This chart illustrates the average monthly humidity levels in Groa, 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 Groa is approximately 93%, 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 Groa

In Groa 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 Groa.

Maximum UV Index Levels in Groa for January

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

Data source: Groa 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 Groa Compares to Other Months

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

This table compares monthly weather conditions in Groa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	137 mm (5.4 inches)	93%	low
February Weather	-4°C (25°F)	99 mm (3.9 inches)	92%	low
March Weather	-2°C (28°F)	140 mm (5.5 inches)	89%	moderate
April Weather	1°C (33°F)	140 mm (5.5 inches)	84%	moderate
May Weather	5°C (42°F)	100 mm (3.9 inches)	81%	high
June Weather	11°C (52°F)	128 mm (5.0 inches)	81%	high
July Weather	13°C (55°F)	145 mm (5.7 inches)	81%	high
August Weather	11°C (53°F)	171 mm (6.7 inches)	87%	moderate
September Weather	8°C (47°F)	148 mm (5.8 inches)	89%	moderate
October Weather	3°C (37°F)	179 mm (7.0 inches)	91%	low
November Weather	-2°C (28°F)	118 mm (4.6 inches)	92%	low
December Weather	-4°C (25°F)	150 mm (5.9 inches)	94%	low