May Weather in Rissa, Norway

Last updated: August 27, 2025

In May, the average temperature in Rissa, Norway hovers around 9°C (48°F). Expect a range from a chilly -1°C (31°F) to a pleasant 23°C (73°F). With an average precipitation of 83 mm (3.3 in) over 14 days, along with a humidity level of 81%, it's wise to be prepared for some wet and humid days ahead!

May Temperature in Rissa

In May in Rissa, the average temperature is 9°C (48°F). Maximum temperatures can reach 23°C (73°F), and minimums can dip as low as -1°C (31°F). Be prepared for a mix of mild days and chilly nights when traveling during this time.

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

The chart illustrates May temperature patterns in Rissa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rissa, May typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (73°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Rissa

In Rissa in May, the precipitation amount is 83 mm (3.3 in) spread over a period of 14 days.

May Precipitation Trends in Rissa

The chart displays monthly precipitation patterns in Rissa, 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 Rissa, May typically receives around 83 mm (3.3 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 Rissa

In Rissa in May, humidity is 81%. With an average temperature of 9°C (48°F), this humidity feels like a chilly, damp embrace that can make outdoor activities less enjoyable and may require extra layers to stay comfortable while traveling.

May Average Humidity in Rissa

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

In Rissa 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 Rissa.

Maximum UV Index Levels in Rissa for May

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

Data source: Rissa 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 Rissa Compares to Other Months

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

This table compares monthly weather conditions in Rissa, 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 (31°F)	126 mm (5.0 inches)	93%	low
February Weather	-1°C (31°F)	95 mm (3.7 inches)	92%	low
March Weather	1°C (34°F)	138 mm (5.4 inches)	89%	low
April Weather	4°C (40°F)	123 mm (4.8 inches)	84%	moderate
May Weather	9°C (48°F)	83 mm (3.3 inches)	81%	moderate
June Weather	13°C (56°F)	102 mm (4.0 inches)	81%	high
July Weather	15°C (59°F)	101 mm (4.0 inches)	81%	high
August Weather	14°C (57°F)	130 mm (5.1 inches)	87%	moderate
September Weather	11°C (52°F)	167 mm (6.6 inches)	89%	moderate
October Weather	7°C (45°F)	178 mm (7.0 inches)	91%	low
November Weather	3°C (37°F)	118 mm (4.7 inches)	92%	low
December Weather	0°C (33°F)	146 mm (5.7 inches)	94%	low