May Weather in Os, Norway

Last updated: August 27, 2025

In May, the average temperature in Os, Norway hovers at 5°C (41°F), with minimums dipping to a chilly -10°C (14°F) and maximums reaching a pleasant 26°C (79°F). Expect around 63 mm (2.5 in) of precipitation spread over 14 days, contributing to an average humidity of 83%.

May Temperature in Os

In May in Os, the average temperature is 5°C (41°F). Maximum temperatures can reach 26°C (79°F), and minimums can drop as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Os, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Os, May typically has an average temperature of 5°C (41°F), with highs reaching up to 26°C (79°F) and lows dropping to around -10°C (14°F).

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

May Precipitation in Os

In Os in May, the precipitation amount is 63 mm (2.5 in) over a span of 14 days.

May Precipitation Trends in Os

The chart displays monthly precipitation patterns in Os, 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 Os, May typically receives around 63 mm (2.5 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 Os

In Os in May humidity is 83%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm and dry.

May Average Humidity in Os

This chart illustrates the average monthly humidity levels in Os, 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 Os is approximately 83%, 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 Os

In Os 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 Os.

Maximum UV Index Levels in Os for May

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

Data source: Os 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 Os Compares to Other Months

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

This table compares monthly weather conditions in Os, 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 (20°F)	51 mm (2.0 inches)	96%	low
February Weather	-7°C (20°F)	38 mm (1.5 inches)	94%	low
March Weather	-4°C (25°F)	56 mm (2.2 inches)	91%	moderate
April Weather	-1°C (31°F)	55 mm (2.2 inches)	86%	moderate
May Weather	5°C (41°F)	63 mm (2.5 inches)	83%	moderate
June Weather	11°C (52°F)	87 mm (3.4 inches)	81%	high
July Weather	12°C (54°F)	93 mm (3.7 inches)	81%	high
August Weather	10°C (51°F)	108 mm (4.2 inches)	88%	moderate
September Weather	7°C (44°F)	69 mm (2.7 inches)	90%	moderate
October Weather	2°C (36°F)	76 mm (3.0 inches)	93%	low
November Weather	-3°C (26°F)	54 mm (2.1 inches)	95%	low
December Weather	-6°C (22°F)	59 mm (2.3 inches)	97%	low