May Weather in Simo, Finland

Last updated: August 23, 2025

In May, the average temperature in Simo, Finland hovers around 7°C (45°F), with a minimum dip to -6°C (21°F) and a potential high of 25°C (76°F). Expect 51 mm (2.0 in) of precipitation spread across 9 days, resulting in an average humidity of 80%. Don't forget to pack for both the chill and the warmth!

May Temperature in Simo

In May in Simo, the average temperature is 7°C (45°F). The maximum can reach 25°C (76°F) while the minimum can drop as low as -6°C (21°F). Pack versatile clothing to prepare for a range of temperatures during your travels.

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

The chart illustrates May temperature patterns in Simo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simo, May typically has an average temperature of 7°C (45°F), with highs reaching up to 25°C (76°F) and lows dropping to around -6°C (21°F).

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

May Precipitation in Simo

In Simo in May, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

May Precipitation Trends in Simo

The chart displays monthly precipitation patterns in Simo, 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 Simo, May typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 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 Simo

In Simo in May, humidity is 80%. With an average temperature of 7°C (45°F), this humidity feels like you're wrapped in a damp blanket, making it quite uncomfortable for traveling and leaving you feeling chilly and clammy as you explore the area.

May Average Humidity in Simo

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

In Simo 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 Simo.

Maximum UV Index Levels in Simo for May

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

Data source: Simo 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 Simo Compares to Other Months

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

This table compares monthly weather conditions in Simo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	49 mm (1.9 inches)	99%	low
February Weather	-9°C (16°F)	46 mm (1.8 inches)	97%	low
March Weather	-5°C (24°F)	50 mm (2.0 inches)	93%	low
April Weather	0°C (33°F)	40 mm (1.6 inches)	86%	moderate
May Weather	7°C (45°F)	51 mm (2.0 inches)	80%	moderate
June Weather	14°C (57°F)	62 mm (2.4 inches)	76%	high
July Weather	17°C (63°F)	62 mm (2.4 inches)	79%	high
August Weather	14°C (58°F)	86 mm (3.4 inches)	83%	moderate
September Weather	9°C (48°F)	75 mm (3.0 inches)	89%	moderate
October Weather	3°C (38°F)	85 mm (3.3 inches)	94%	low
November Weather	-2°C (30°F)	71 mm (2.8 inches)	94%	low
December Weather	-5°C (22°F)	67 mm (2.7 inches)	98%	low