May Weather in Namsos, Norway

Last updated: August 27, 2025

In Namsos, Norway, the average temperature in May hovers around 8°C (48°F). Temperatures can range from a chilly -2°C (28°F) to a pleasantly warm 24°C (76°F). Visitors should prepare for some rain, as 74 mm (2.9 in) of precipitation is expected over 15 days, and be ready for a mild average humidity of 75%.

May Temperature in Namsos

In May in Namsos, the average temperature is 8°C (48°F), with maximums reaching up to 24°C (76°F) and minimums dropping as low as -2°C (28°F). It's a great time to visit if you're prepared for a mix of mild and chilly weather!

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

The chart illustrates May temperature patterns in Namsos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Namsos, May typically has an average temperature of 8°C (48°F), with highs reaching up to 24°C (76°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Namsos

In Namsos in May, the precipitation amount is 74 mm (2.9 in) over the course of 15 days.

May Precipitation Trends in Namsos

The chart displays monthly precipitation patterns in Namsos, 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 Namsos, May typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 15 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 Namsos

In Namsos in May, humidity is 75%. With an average temperature of 8°C (48°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities less enjoyable and prompting you to seek shelter or warm drinks more often.

May Average Humidity in Namsos

This chart illustrates the average monthly humidity levels in Namsos, 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 Namsos is approximately 75%, 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 Namsos

In Namsos 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 Namsos.

Maximum UV Index Levels in Namsos for May

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

Data source: Namsos 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 Namsos Compares to Other Months

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

This table compares monthly weather conditions in Namsos, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	139 mm (5.5 inches)	86%	low
February Weather	-2°C (29°F)	101 mm (4.0 inches)	84%	low
March Weather	1°C (34°F)	149 mm (5.9 inches)	83%	low
April Weather	4°C (40°F)	127 mm (5.0 inches)	80%	moderate
May Weather	8°C (48°F)	74 mm (2.9 inches)	75%	moderate
June Weather	13°C (56°F)	106 mm (4.2 inches)	78%	high
July Weather	15°C (59°F)	96 mm (3.8 inches)	79%	high
August Weather	14°C (57°F)	156 mm (6.1 inches)	81%	moderate
September Weather	11°C (52°F)	199 mm (7.8 inches)	84%	moderate
October Weather	6°C (43°F)	158 mm (6.2 inches)	87%	low
November Weather	2°C (36°F)	124 mm (4.9 inches)	86%	low
December Weather	0°C (32°F)	131 mm (5.2 inches)	85%	low