May Weather in Iitti, Finland

Last updated: August 23, 2025

In May, the average temperature in Iitti, Finland is a pleasant 10°C (50°F). However, temperatures can vary significantly, with a minimum of -2°C (28°F) and a maximum soaring up to 28°C (82°F). Residents can expect 54 mm (2.1 in) of precipitation over 10 days, coupled with an average humidity level of 75%. Prepare for diverse weather conditions during your visit!

May Temperature in Iitti

In May in Iitti, the average temperature is 10°C (50°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -2°C (28°F). This varied climate makes Iitti an interesting destination for travelers, offering both warm and chilly experiences.

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

The chart illustrates May temperature patterns in Iitti, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iitti, May typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (82°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Iitti

In Iitti in May, the total precipitation amount is 54 mm (2.1 in) over the course of 10 days.

May Precipitation Trends in Iitti

The chart displays monthly precipitation patterns in Iitti, 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 Iitti, May typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 10 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 Iitti

In Iitti in May humidity is 75%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and necessitating extra layers for warmth and comfort.

May Average Humidity in Iitti

This chart illustrates the average monthly humidity levels in Iitti, 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 Iitti is approximately 75%, 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 Iitti

In Iitti 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 Iitti.

Maximum UV Index Levels in Iitti for May

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

Data source: Iitti 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 Iitti Compares to Other Months

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

This table compares monthly weather conditions in Iitti, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	49 mm (1.9 inches)	98%	low
February Weather	-5°C (24°F)	47 mm (1.9 inches)	96%	low
March Weather	-2°C (29°F)	44 mm (1.7 inches)	93%	moderate
April Weather	3°C (38°F)	46 mm (1.8 inches)	87%	moderate
May Weather	10°C (50°F)	54 mm (2.1 inches)	75%	moderate
June Weather	16°C (61°F)	60 mm (2.3 inches)	74%	high
July Weather	17°C (64°F)	78 mm (3.1 inches)	80%	high
August Weather	16°C (61°F)	86 mm (3.4 inches)	85%	moderate
September Weather	11°C (52°F)	62 mm (2.5 inches)	90%	moderate
October Weather	6°C (43°F)	77 mm (3.0 inches)	94%	low
November Weather	2°C (36°F)	53 mm (2.1 inches)	94%	low
December Weather	-2°C (28°F)	73 mm (2.9 inches)	96%	low