May Weather in Katariina, Finland

Last updated: August 23, 2025

In May, the average temperature in Katariina, Finland hovers around 10°C (50°F). Expect a minimum chill of -3°C (27°F) and a pleasant maximum of 25°C (77°F). With an average precipitation of 48 mm (1.9 in) spread over 9 days, and a relative humidity of 75%, you'll want to prepare for a mix of weather while enjoying the season's unique charm!

May Temperature in Katariina

In May in Katariina, the average temperature is 10°C (50°F). Maximums can reach 25°C (77°F), while minimums can drop as low as -3°C (27°F). Be prepared for a range of temperatures, making it ideal for layering your clothing during your travels.

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

The chart illustrates May temperature patterns in Katariina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katariina, May typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -3°C (27°F).

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

May Precipitation in Katariina

In Katariina in May, the total precipitation amount is 48 mm (1.9 in) spread over 9 days.

May Precipitation Trends in Katariina

The chart displays monthly precipitation patterns in Katariina, 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 Katariina, May typically receives around 48 mm (1.9 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 Katariina

In Katariina 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 Katariina

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

In Katariina 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 Katariina.

Maximum UV Index Levels in Katariina for May

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

Data source: Katariina 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 Katariina Compares to Other Months

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

This table compares monthly weather conditions in Katariina, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	55 mm (2.2 inches)	98%	low
February Weather	-4°C (25°F)	55 mm (2.2 inches)	96%	low
March Weather	-1°C (30°F)	49 mm (1.9 inches)	93%	moderate
April Weather	4°C (39°F)	43 mm (1.7 inches)	87%	moderate
May Weather	10°C (50°F)	48 mm (1.9 inches)	75%	moderate
June Weather	16°C (61°F)	48 mm (1.9 inches)	74%	high
July Weather	18°C (64°F)	75 mm (3.0 inches)	80%	high
August Weather	17°C (62°F)	88 mm (3.5 inches)	85%	moderate
September Weather	12°C (54°F)	66 mm (2.6 inches)	90%	moderate
October Weather	7°C (45°F)	86 mm (3.4 inches)	94%	low
November Weather	3°C (38°F)	66 mm (2.6 inches)	94%	low
December Weather	-1°C (30°F)	81 mm (3.2 inches)	96%	low