May Weather in Haapajaervi, Finland

Last updated: August 23, 2025

In May, the average temperature in Haapajaervi, Finland hovers around 8°C (47°F). While the mercury can drop to a chilly -6°C (22°F), it can also soar to a pleasant 28°C (82°F) on warmer days. Expect about 59 mm (2.3 in) of precipitation spread over 12 days, contributing to an average humidity level of 78%.

May Temperature in Haapajaervi

In May in Haapajaervi, the average temperature is 8°C (47°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -6°C (22°F). It's advisable to pack layers to accommodate the wide temperature range when traveling.

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

The chart illustrates May temperature patterns in Haapajaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haapajaervi, May typically has an average temperature of 8°C (47°F), with highs reaching up to 28°C (82°F) and lows dropping to around -6°C (22°F).

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

May Precipitation in Haapajaervi

In Haapajaervi in May, the precipitation amount is 59 mm (2.3 in) occurring over the course of 12 days.

May Precipitation Trends in Haapajaervi

The chart displays monthly precipitation patterns in Haapajaervi, 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 Haapajaervi, May typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 12 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 Haapajaervi

In Haapajaervi in May, humidity is 78%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making travel invigorating yet damp, as the cool air wraps around you, emphasizing the need for layers to stay comfortable while exploring.

May Average Humidity in Haapajaervi

This chart illustrates the average monthly humidity levels in Haapajaervi, 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 Haapajaervi is approximately 78%, 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 Haapajaervi

In Haapajaervi 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 Haapajaervi.

Maximum UV Index Levels in Haapajaervi for May

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

Data source: Haapajaervi 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 Haapajaervi Compares to Other Months

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

This table compares monthly weather conditions in Haapajaervi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	40 mm (1.6 inches)	99%	low
February Weather	-7°C (19°F)	40 mm (1.6 inches)	97%	low
March Weather	-3°C (27°F)	38 mm (1.5 inches)	95%	low
April Weather	2°C (36°F)	41 mm (1.6 inches)	87%	moderate
May Weather	8°C (47°F)	59 mm (2.3 inches)	78%	moderate
June Weather	15°C (59°F)	56 mm (2.2 inches)	74%	high
July Weather	17°C (62°F)	78 mm (3.1 inches)	80%	high
August Weather	14°C (58°F)	85 mm (3.4 inches)	85%	moderate
September Weather	9°C (49°F)	76 mm (3.0 inches)	91%	moderate
October Weather	4°C (39°F)	82 mm (3.2 inches)	95%	low
November Weather	0°C (32°F)	62 mm (2.4 inches)	94%	low
December Weather	-4°C (25°F)	50 mm (2.0 inches)	98%	low