January Weather in Roa, Norway

Last updated: August 27, 2025

In January, the average temperature in Roa, Norway hovers around -4°C (24°F). Expect chilly conditions, as temperatures can dip to a minimum of -20°C (-3°F) or rise to a maximum of 9°C (49°F). With 58 mm (2.3 in) of precipitation spread over 8 days, you might want to carry an umbrella! Additionally, be prepared for high humidity levels at 98%, making it feel even cooler.

January Temperature in Roa

In January in Roa, the average temperature is -4°C (24°F). Maximums can reach 9°C (49°F), while minimums can drop as low as -20°C (-3°F). Travelers should prepare for cold conditions and dress in layers to stay warm.

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

The chart illustrates January temperature patterns in Roa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roa, January typically has an average temperature of -4°C (24°F), with highs reaching up to 9°C (49°F) and lows dropping to around -20°C (-3°F).

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

January Precipitation in Roa

In Roa in January, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

January Precipitation Trends in Roa

The chart displays monthly precipitation patterns in Roa, 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 Roa, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 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 Roa

In Roa in January humidity is 98%. With an average temperature of -4°C (24°F), this humidity feels like an icy mist that clings to your skin, making it uncomfortable for traveling and causing everything to feel damp and frosty, as if you are enveloped in a chill that cuts through even the thickest layers of clothing.

January Average Humidity in Roa

This chart illustrates the average monthly humidity levels in Roa, 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 Roa is approximately 98%, 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 Roa

In Roa 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 Roa.

Maximum UV Index Levels in Roa for January

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

Data source: Roa 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 Roa Compares to Other Months

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

This table compares monthly weather conditions in Roa, 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 (24°F)	58 mm (2.3 inches)	98%	low
February Weather	-4°C (25°F)	59 mm (2.3 inches)	95%	low
March Weather	-1°C (31°F)	63 mm (2.5 inches)	92%	moderate
April Weather	4°C (39°F)	42 mm (1.6 inches)	88%	moderate
May Weather	9°C (49°F)	94 mm (3.7 inches)	84%	moderate
June Weather	15°C (59°F)	95 mm (3.7 inches)	82%	high
July Weather	16°C (62°F)	102 mm (4.0 inches)	82%	high
August Weather	15°C (58°F)	108 mm (4.2 inches)	87%	moderate
September Weather	11°C (52°F)	102 mm (4.0 inches)	91%	moderate
October Weather	6°C (42°F)	125 mm (4.9 inches)	95%	low
November Weather	1°C (34°F)	98 mm (3.8 inches)	97%	low
December Weather	-3°C (26°F)	101 mm (4.0 inches)	98%	low