May Weather in Lumijoki, Finland

Last updated: August 23, 2025

In May, the average temperature in Lumijoki, Finland hovers around 8°C (46°F), with temperatures ranging from a chilly -8°C (19°F) to a pleasantly warm 27°C (81°F). Expect about 53 mm (2.1 in) of precipitation spread over 9 days, contributing to an average humidity level of 81%. Stay prepared for a mix of weather while enjoying the unique climate of this location!

May Temperature in Lumijoki

In May in Lumijoki, the average temperature is 8°C (46°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -8°C (19°F). Be sure to pack accordingly for a comfortable experience, as temperatures can vary significantly throughout the day.

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

The chart illustrates May temperature patterns in Lumijoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lumijoki, May typically has an average temperature of 8°C (46°F), with highs reaching up to 27°C (81°F) and lows dropping to around -8°C (19°F).

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

May Precipitation in Lumijoki

In Lumijoki in May, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

May Precipitation Trends in Lumijoki

The chart displays monthly precipitation patterns in Lumijoki, 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 Lumijoki, May typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 9 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 Lumijoki

In Lumijoki in May humidity is 81%. With an average temperature of 8°C (46°F), this humidity feels like walking through a damp blanket, making traveling uncomfortable and leading to a persistent chill that seeps into your bones.

May Average Humidity in Lumijoki

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

In Lumijoki 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 Lumijoki for better planning.

Maximum UV Index Levels in Lumijoki for May

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

Data source: Lumijoki 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 Lumijoki Compares to Other Months

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

This table compares monthly weather conditions in Lumijoki, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	37 mm (1.4 inches)	100%	low
February Weather	-8°C (18°F)	37 mm (1.4 inches)	98%	low
March Weather	-4°C (26°F)	37 mm (1.5 inches)	95%	moderate
April Weather	1°C (34°F)	37 mm (1.5 inches)	87%	moderate
May Weather	8°C (46°F)	53 mm (2.1 inches)	81%	moderate
June Weather	14°C (58°F)	56 mm (2.2 inches)	77%	high
July Weather	17°C (62°F)	78 mm (3.1 inches)	79%	high
August Weather	14°C (58°F)	96 mm (3.8 inches)	84%	moderate
September Weather	9°C (49°F)	71 mm (2.8 inches)	90%	moderate
October Weather	4°C (40°F)	78 mm (3.1 inches)	95%	low
November Weather	0°C (31°F)	59 mm (2.3 inches)	95%	low
December Weather	-4°C (25°F)	52 mm (2.0 inches)	99%	low