May Weather in Olen, Norway

Last updated: August 27, 2025

In May, the average temperature in Olen, Norway is a cool 10°C (51°F), with temperatures ranging from a brisk 0°C (32°F) to a warm 28°C (82°F). Expect about 115 mm (4.5 in) of precipitation over 14 days, contributing to an average humidity level of 84%.

May Temperature in Olen

In May in Olen, the average temperature is 10°C (51°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as 0°C (32°F). This makes Olen a great destination for travelers looking to experience a mix of spring-like warmth and crisp, cool days.

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

The chart illustrates May temperature patterns in Olen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olen, May typically has an average temperature of 10°C (51°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Olen

In Olen in May, the precipitation amount is 115 mm (4.5 in) over the course of 14 days.

May Precipitation Trends in Olen

The chart displays monthly precipitation patterns in Olen, 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 Olen, May typically receives around 115 mm (4.5 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 Olen

In Olen in May humidity is 84%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making even short distances feel burdensome and leaving you longing for a cozy indoor refuge while exploring the area.

May Average Humidity in Olen

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

In Olen 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 Olen.

Maximum UV Index Levels in Olen for May

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

Data source: Olen 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 Olen Compares to Other Months

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

This table compares monthly weather conditions in Olen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	178 mm (7.0 inches)	92%	low
February Weather	2°C (35°F)	187 mm (7.4 inches)	90%	low
March Weather	3°C (39°F)	190 mm (7.5 inches)	90%	moderate
April Weather	6°C (44°F)	121 mm (4.8 inches)	87%	moderate
May Weather	10°C (51°F)	115 mm (4.5 inches)	84%	moderate
June Weather	14°C (58°F)	165 mm (6.5 inches)	81%	high
July Weather	15°C (60°F)	167 mm (6.6 inches)	86%	high
August Weather	15°C (59°F)	252 mm (9.9 inches)	87%	moderate
September Weather	12°C (55°F)	253 mm (10.0 inches)	90%	moderate
October Weather	9°C (48°F)	330 mm (13.0 inches)	92%	low
November Weather	5°C (42°F)	225 mm (8.9 inches)	93%	low
December Weather	3°C (38°F)	227 mm (8.9 inches)	90%	low