May Weather in Viken, Sweden

Last updated: August 27, 2025

In May, the average temperature in Viken, Sweden hovers around 7°C (44°F). Expect a chill, with minimum temperatures dipping to -2°C (28°F), while daytime highs can reach up to 21°C (71°F). Be prepared for some moisture too, as 49 mm (1.9 in) of precipitation is expected over 8 days, accompanied by an average humidity of 81%.

May Temperature in Viken

In May in Viken, the average temperature is 7°C (44°F). Maximums can reach 21°C (71°F), while minimums can drop as low as -2°C (28°F). Pack accordingly to enjoy a range of weather during your travels!

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

The chart illustrates May temperature patterns in Viken, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Viken, May typically has an average temperature of 7°C (44°F), with highs reaching up to 21°C (71°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Viken

In Viken in May, the precipitation amount is 49 mm (1.9 in) spread over 8 days.

May Precipitation Trends in Viken

The chart displays monthly precipitation patterns in Viken, 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 Viken, May typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Viken

In Viken in May humidity is 81%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress warmly while exploring.

May Average Humidity in Viken

This chart illustrates the average monthly humidity levels in Viken, 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 Viken is approximately 81%, 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 Viken

In Viken in May, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Viken for better planning.

Maximum UV Index Levels in Viken for May

The chart shows the monthly maximum UV Index (UVI) for Viken 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 Viken typically reaches 4, which falls under the moderate exposure category.

Data source: Viken 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 Viken Compares to Other Months

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

This table compares monthly weather conditions in Viken, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	57 mm (2.3 inches)	97%	low
February Weather	-7°C (20°F)	43 mm (1.7 inches)	95%	low
March Weather	-3°C (27°F)	40 mm (1.6 inches)	90%	low
April Weather	1°C (34°F)	30 mm (1.2 inches)	84%	moderate
May Weather	7°C (44°F)	49 mm (1.9 inches)	81%	moderate
June Weather	13°C (56°F)	54 mm (2.1 inches)	78%	high
July Weather	16°C (61°F)	68 mm (2.7 inches)	82%	high
August Weather	15°C (59°F)	79 mm (3.1 inches)	84%	moderate
September Weather	10°C (50°F)	75 mm (2.9 inches)	88%	moderate
October Weather	4°C (40°F)	104 mm (4.1 inches)	92%	low
November Weather	0°C (32°F)	63 mm (2.5 inches)	93%	low
December Weather	-3°C (27°F)	74 mm (2.9 inches)	96%	low