May Weather in Otta, Norway

Last updated: August 27, 2025

In May, the average temperature in Otta, Norway is a chilly 6°C (42°F), with temperatures ranging from a brisk -12°C (11°F) at their lowest to a mild 24°C (76°F) at their highest. Expect 67 mm (2.6 in) of precipitation spread over 13 days, contributing to a high average humidity of 85%. Prepare for a cool and damp atmosphere as you explore this unique destination!

May Temperature in Otta

In May in Otta, the average temperature is 6°C (42°F). The maximum can reach 24°C (76°F), while the minimum can drop as low as -12°C (11°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates May temperature patterns in Otta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Otta, May typically has an average temperature of 6°C (42°F), with highs reaching up to 24°C (76°F) and lows dropping to around -12°C (11°F).

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

May Precipitation in Otta

In Otta in May, the precipitation amount is 67 mm (2.6 in) spread over 13 days.

May Precipitation Trends in Otta

The chart displays monthly precipitation patterns in Otta, 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 Otta, May typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 13 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 Otta

In Otta in May, humidity is 85%. With an average temperature of 6°C (42°F), this humidity feels like walking through a thick mist, making even short strolls feel damp and chilly, which can be uncomfortable for traveling.

May Average Humidity in Otta

This chart illustrates the average monthly humidity levels in Otta, 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 Otta is approximately 85%, 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 Otta

In Otta in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Otta, you can refer to this Hourly UV Index in Otta.

Maximum UV Index Levels in Otta for May

The chart shows the monthly maximum UV Index (UVI) for Otta 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 Otta typically reaches 6, which falls under the high exposure category.

Data source: Otta 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 Otta Compares to Other Months

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

This table compares monthly weather conditions in Otta, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	47 mm (1.9 inches)	99%	low
February Weather	-9°C (17°F)	39 mm (1.5 inches)	97%	low
March Weather	-5°C (24°F)	43 mm (1.7 inches)	94%	moderate
April Weather	0°C (32°F)	33 mm (1.3 inches)	89%	moderate
May Weather	6°C (42°F)	67 mm (2.6 inches)	85%	high
June Weather	12°C (53°F)	77 mm (3.0 inches)	82%	high
July Weather	13°C (55°F)	81 mm (3.2 inches)	84%	high
August Weather	11°C (52°F)	102 mm (4.0 inches)	89%	moderate
September Weather	7°C (44°F)	79 mm (3.1 inches)	92%	moderate
October Weather	2°C (35°F)	85 mm (3.3 inches)	96%	low
November Weather	-5°C (24°F)	66 mm (2.6 inches)	97%	low
December Weather	-8°C (17°F)	63 mm (2.5 inches)	99%	low