January Weather in Rena, Norway

Last updated: August 27, 2025

During January in Rena, Norway, the average temperature hovers around -7°C (21°F). Be prepared for extreme lows that can drop to -22°C (-8°F), while daytime highs may reach up to 8°C (46°F). Expect a precipitation amount of 57 mm (2.2 in) spread over approximately 9 days, alongside a notably high average humidity of 98%.

January Temperature in Rena

In January in Rena, the average temperature is -7°C (21°F), with maximums reaching 8°C (46°F) and minimums dropping as low as -22°C (-8°F). Travelers should be prepared for cold weather and dress warmly when visiting during this time.

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

The chart illustrates January temperature patterns in Rena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rena, January typically has an average temperature of -7°C (21°F), with highs reaching up to 8°C (46°F) and lows dropping to around -22°C (-8°F).

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

January Precipitation in Rena

In Rena in January, the total precipitation amount is 57 mm (2.2 in) over the course of 9 days.

January Precipitation Trends in Rena

The chart displays monthly precipitation patterns in Rena, 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 Rena, January typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Rena

In Rena in January humidity is 98%. With an average temperature of -7°C (21°F), this humidity feels like an icy chill that seeps into your bones, making every breath feel heavy and damp—traveling becomes a struggle as you navigate through the frigid air, wrapped in layers, trying to stay warm while also contending with the oppressive moisture that clings to your skin.

January Average Humidity in Rena

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

In Rena 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 Rena.

Maximum UV Index Levels in Rena for January

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

Data source: Rena 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 Rena Compares to Other Months

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

This table compares monthly weather conditions in Rena, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (21°F)	57 mm (2.2 inches)	98%	low
February Weather	-6°C (22°F)	54 mm (2.1 inches)	95%	low
March Weather	-2°C (28°F)	56 mm (2.2 inches)	92%	moderate
April Weather	2°C (36°F)	33 mm (1.3 inches)	88%	moderate
May Weather	8°C (47°F)	87 mm (3.4 inches)	84%	moderate
June Weather	14°C (57°F)	103 mm (4.1 inches)	82%	high
July Weather	15°C (59°F)	101 mm (4.0 inches)	82%	high
August Weather	13°C (55°F)	116 mm (4.6 inches)	87%	moderate
September Weather	9°C (48°F)	103 mm (4.0 inches)	91%	moderate
October Weather	4°C (39°F)	124 mm (4.9 inches)	95%	low
November Weather	-1°C (31°F)	103 mm (4.1 inches)	97%	low
December Weather	-6°C (22°F)	89 mm (3.5 inches)	98%	low