May Weather in Siikajoki, Finland

Last updated: August 23, 2025

In May, the average temperature in Siikajoki, Finland is a chilly 7°C (44°F), with extremes ranging from a brisk -5°C (23°F) to a balmy 24°C (75°F). Expect 54 mm (2.1 in) of precipitation over about 8 days, contributing to an average humidity of 80%. Prepare for a variety of weather conditions this month!

May Temperature in Siikajoki

In May in Siikajoki, the average temperature is 7°C (44°F). Maximums can reach 24°C (75°F), while minimums can dip as low as -5°C (23°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates May temperature patterns in Siikajoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siikajoki, May typically has an average temperature of 7°C (44°F), with highs reaching up to 24°C (75°F) and lows dropping to around -5°C (23°F).

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

May Precipitation in Siikajoki

In Siikajoki in May, the total precipitation amount reaches 54 mm (2.1 in) over a span of 8 days.

May Precipitation Trends in Siikajoki

The chart displays monthly precipitation patterns in Siikajoki, 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 Siikajoki, May typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 8 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 Siikajoki

In Siikajoki in May humidity is 80%. With an average temperature of 7°C (44°F), this humidity feels like a chilly dampness that clings to your skin, making it essential to dress in layers and be prepared for a slightly uncomfortable but invigorating travel experience.

May Average Humidity in Siikajoki

This chart illustrates the average monthly humidity levels in Siikajoki, 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 Siikajoki is approximately 80%, 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 Siikajoki

In Siikajoki in May, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Siikajoki for better planning.

Maximum UV Index Levels in Siikajoki for May

The chart shows the monthly maximum UV Index (UVI) for Siikajoki 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 Siikajoki typically reaches 4, which falls under the moderate exposure category.

Data source: Siikajoki 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 Siikajoki Compares to Other Months

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

This table compares monthly weather conditions in Siikajoki, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	37 mm (1.4 inches)	99%	low
February Weather	-7°C (19°F)	37 mm (1.4 inches)	97%	low
March Weather	-4°C (25°F)	37 mm (1.4 inches)	93%	moderate
April Weather	0°C (33°F)	37 mm (1.5 inches)	86%	moderate
May Weather	7°C (44°F)	54 mm (2.1 inches)	80%	moderate
June Weather	13°C (57°F)	51 mm (2.0 inches)	76%	high
July Weather	17°C (62°F)	68 mm (2.7 inches)	79%	high
August Weather	15°C (59°F)	91 mm (3.6 inches)	83%	moderate
September Weather	10°C (51°F)	76 mm (3.0 inches)	89%	moderate
October Weather	5°C (41°F)	87 mm (3.4 inches)	94%	low
November Weather	1°C (33°F)	62 mm (2.4 inches)	94%	low
December Weather	-3°C (27°F)	52 mm (2.1 inches)	98%	low