May Weather in Sira, Norway

Last updated: August 27, 2025

In May, the average temperature in Sira, Norway is a brisk 9°C (48°F). Temperatures can vary significantly, with a minimum of -3°C (27°F) and occasionally soaring to a pleasant 25°C (78°F). Expect 104 mm (4.1 in) of precipitation over about 12 days, contributing to a high average humidity of 84%. Whether you're braving the chill or enjoying the mild days, make sure to prepare for a diverse climate!

May Temperature in Sira

In May in Sira, the average temperature is 9°C (48°F). Maximums can reach 25°C (78°F), while minimums can dip as low as -3°C (27°F). This wide range in temperatures suggests travelers should pack for both warm days and chilly nights.

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

The chart illustrates May temperature patterns in Sira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sira, May typically has an average temperature of 9°C (48°F), with highs reaching up to 25°C (78°F) and lows dropping to around -3°C (27°F).

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

May Precipitation in Sira

In Sira in May, the total precipitation amount is 104 mm (4.1 in) spread over 12 days.

May Precipitation Trends in Sira

The chart displays monthly precipitation patterns in Sira, 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 Sira, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 12 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 Sira

In Sira in May, humidity is 84%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that envelops you, making it essential to dress in layers and stay active, as the moisture in the air can quickly lead to discomfort while traveling.

May Average Humidity in Sira

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

In Sira 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 Sira, you can refer to this Hourly UV Index in Sira.

Maximum UV Index Levels in Sira for May

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

Data source: Sira 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 Sira Compares to Other Months

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

This table compares monthly weather conditions in Sira, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	148 mm (5.8 inches)	92%	low
February Weather	-1°C (31°F)	176 mm (6.9 inches)	90%	low
March Weather	1°C (34°F)	153 mm (6.0 inches)	90%	moderate
April Weather	4°C (40°F)	60 mm (2.4 inches)	87%	moderate
May Weather	9°C (48°F)	104 mm (4.1 inches)	84%	high
June Weather	13°C (56°F)	126 mm (5.0 inches)	81%	high
July Weather	14°C (58°F)	149 mm (5.9 inches)	86%	high
August Weather	14°C (57°F)	188 mm (7.4 inches)	87%	high
September Weather	11°C (52°F)	189 mm (7.4 inches)	90%	moderate
October Weather	7°C (45°F)	255 mm (10.0 inches)	92%	low
November Weather	3°C (38°F)	195 mm (7.7 inches)	93%	low
December Weather	1°C (34°F)	202 mm (8.0 inches)	90%	low