May Weather in Nykarleby, Finland

Last updated: August 23, 2025

In Nykarleby, Finland, the average temperature in May is a cool 8°C (47°F). During this time, temperatures can dip to a chilly -4°C (25°F) and peak at a comfortable 25°C (78°F). Expect approximately 48 mm (1.9 in) of precipitation spread over 8 days, and enjoy an average humidity level of 77%, creating a damp but refreshing atmosphere.

May Temperature in Nykarleby

In May in Nykarleby, the average temperature is 8°C (47°F). Maximums can reach 25°C (78°F) and minimums can be as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures, from chilly to pleasantly warm.

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

The chart illustrates May temperature patterns in Nykarleby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nykarleby, May typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (78°F) and lows dropping to around -4°C (25°F).

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

May Precipitation in Nykarleby

In Nykarleby in May, the precipitation amount is 48 mm (1.9 in) over a span of 8 days.

May Precipitation Trends in Nykarleby

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

In Nykarleby in May, humidity is 77%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that can make even short walks outside feel uncomfortable, often clinging to your skin and making you long for warmer, drier conditions.

May Average Humidity in Nykarleby

This chart illustrates the average monthly humidity levels in Nykarleby, 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 Nykarleby is approximately 77%, 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 Nykarleby

In Nykarleby 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 Nykarleby.

Maximum UV Index Levels in Nykarleby for May

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

Data source: Nykarleby 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 Nykarleby Compares to Other Months

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

This table compares monthly weather conditions in Nykarleby, 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)	36 mm (1.4 inches)	95%	low
February Weather	-5°C (23°F)	40 mm (1.6 inches)	93%	low
March Weather	-2°C (29°F)	40 mm (1.6 inches)	91%	moderate
April Weather	2°C (37°F)	40 mm (1.6 inches)	85%	moderate
May Weather	8°C (47°F)	48 mm (1.9 inches)	77%	moderate
June Weather	15°C (59°F)	51 mm (2.0 inches)	74%	high
July Weather	17°C (63°F)	63 mm (2.5 inches)	80%	high
August Weather	15°C (60°F)	82 mm (3.2 inches)	82%	moderate
September Weather	11°C (51°F)	71 mm (2.8 inches)	88%	moderate
October Weather	6°C (42°F)	83 mm (3.2 inches)	92%	low
November Weather	1°C (35°F)	57 mm (2.2 inches)	92%	low
December Weather	-2°C (29°F)	47 mm (1.9 inches)	93%	low