June Weather in Posio, Finland

Last updated: August 23, 2025

In Posio, Finland, the average temperature in June hovers around 12°C (55°F). During this time, temperatures can vary significantly, with a minimum of -2°C (29°F) and a maximum reaching 26°C (79°F). Expect 85 mm (3.4 in) of precipitation spread over about 14 days, contributing to an average humidity of 79%. Prepare for a mix of chilly and warm days as you navigate the weather!

June Temperature in Posio

In June in Posio, the average temperature is 12°C (55°F). Maximum temperatures can reach 26°C (79°F), while minima can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures during your travels, making layering essential for comfort throughout the day.

June Weather in Posio: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Posio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Posio, June typically has an average temperature of 12°C (55°F), with highs reaching up to 26°C (79°F) and lows dropping to around -2°C (29°F).

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

June Precipitation in Posio

In Posio in June, the precipitation amount is 85 mm (3.4 in) spread over 14 days, contributing to the region's overall climate patterns.

June Precipitation Trends in Posio

The chart displays monthly precipitation patterns in Posio, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Posio, June typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Posio

In Posio in June, humidity is 79%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that can make traveling uncomfortable; it can leave you feeling slightly clammy and require you to dress in layers to stay warm while navigating the thick, moisture-laden air.

June Average Humidity in Posio

This chart illustrates the average monthly humidity levels in Posio, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Posio is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Posio

In Posio in June, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Posio, you can refer to this Hourly UV Index in Posio.

Maximum UV Index Levels in Posio for June

The chart shows the monthly maximum UV Index (UVI) for Posio in June, 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 June, the maximum UV index in Posio typically reaches 6, which falls under the high exposure category.

Data source: Posio June 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 June Weather in Posio Compares to Other Months

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

This table compares monthly weather conditions in Posio, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	43 mm (1.7 inches)	101%	low
February Weather	-10°C (14°F)	40 mm (1.6 inches)	99%	low
March Weather	-6°C (21°F)	44 mm (1.7 inches)	94%	low
April Weather	0°C (32°F)	43 mm (1.7 inches)	88%	moderate
May Weather	5°C (41°F)	49 mm (1.9 inches)	83%	moderate
June Weather	12°C (55°F)	85 mm (3.4 inches)	79%	high
July Weather	15°C (60°F)	76 mm (3.0 inches)	83%	high
August Weather	12°C (55°F)	110 mm (4.3 inches)	87%	moderate
September Weather	7°C (46°F)	82 mm (3.2 inches)	91%	moderate
October Weather	2°C (35°F)	82 mm (3.2 inches)	96%	low
November Weather	-3°C (27°F)	71 mm (2.8 inches)	96%	low
December Weather	-7°C (20°F)	58 mm (2.3 inches)	100%	low