May Weather in Rena, Norway

Last updated: August 27, 2025

In Rena, Norway, the average temperature in May hovers around 8°C (47°F). This month can see a wide range, with temperatures dipping as low as -11°C (12°F) and rising to a comfortable 27°C (81°F). Expect about 87 mm (3.4 in) of precipitation over 14 days, contributing to an average humidity level of 84%.

May Temperature in Rena

In May in Rena, the average temperature is 8°C (47°F), with maximums reaching 27°C (81°F) and minimums plummeting to -11°C (12°F). Be sure to pack layers to accommodate the wide range of temperatures during your travels.

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

The chart illustrates May 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, May typically has an average temperature of 8°C (47°F), with highs reaching up to 27°C (81°F) and lows dropping to around -11°C (12°F).

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

May Precipitation in Rena

In Rena in May, the precipitation amount is 87 mm (3.4 in) over a span of 14 days.

May Precipitation Trends in Rena

The chart displays monthly precipitation patterns in Rena, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Rena, May typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Rena

In Rena in May, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

May Average Humidity in Rena

This chart illustrates the average monthly humidity levels in Rena, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Rena is approximately 84%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Rena

In Rena in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Rena.

Maximum UV Index Levels in Rena for May

The chart shows the monthly maximum UV Index (UVI) for Rena in May, 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 May, the maximum UV index in Rena typically reaches 5, which falls under the moderate exposure category.

Data source: Rena May 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 May 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 May’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 May’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