August Weather in Siilinjaervi, Finland

Last updated: August 23, 2025

In Siilinjaervi, Finland, the average temperature in August hovers around 15°C (60°F). Expect a minimum of 6°C (42°F) and a maximum of 32°C (89°F). During this month, the area typically receives about 103 mm (4.0 in) of precipitation over 15 days, contributing to an average humidity of a balmy 88%.

August Temperature in Siilinjaervi

In August in Siilinjaervi, the average temperature is 15°C (60°F). Maximum temperatures can reach 32°C (89°F), while the minimum can drop as low as 6°C (42°F). Be sure to pack layers for your trip, as the weather can vary significantly throughout the day.

August Weather in Siilinjaervi: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Siilinjaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siilinjaervi, August typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (89°F) and lows dropping to around 6°C (42°F).

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

August Precipitation in Siilinjaervi

In Siilinjaervi in August, the precipitation amount is 103 mm (4.0 in) that falls over a span of 15 days.

August Precipitation Trends in Siilinjaervi

The chart displays monthly precipitation patterns in Siilinjaervi, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Siilinjaervi, August typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Siilinjaervi

In Siilinjaervi in August humidity is 88%. With an average temperature of 15°C (60°F), this humidity feels like a damp embrace, making travel feel sluggish and heavy, as the air clings to your skin and every step requires more effort than usual.

August Average Humidity in Siilinjaervi

This chart illustrates the average monthly humidity levels in Siilinjaervi, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Siilinjaervi is approximately 88%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Siilinjaervi

In Siilinjaervi in August, 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 Siilinjaervi.

Maximum UV Index Levels in Siilinjaervi for August

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

Data source: Siilinjaervi August 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 August Weather in Siilinjaervi Compares to Other Months

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

This table compares monthly weather conditions in Siilinjaervi, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	49 mm (1.9 inches)	99%	low
February Weather	-7°C (19°F)	43 mm (1.7 inches)	98%	low
March Weather	-3°C (26°F)	43 mm (1.7 inches)	95%	moderate
April Weather	2°C (35°F)	42 mm (1.6 inches)	87%	moderate
May Weather	8°C (47°F)	56 mm (2.2 inches)	78%	moderate
June Weather	15°C (60°F)	66 mm (2.6 inches)	75%	high
July Weather	17°C (64°F)	84 mm (3.3 inches)	83%	high
August Weather	15°C (60°F)	103 mm (4.0 inches)	88%	moderate
September Weather	10°C (50°F)	91 mm (3.6 inches)	92%	moderate
October Weather	5°C (41°F)	84 mm (3.3 inches)	95%	low
November Weather	1°C (33°F)	77 mm (3.0 inches)	94%	low
December Weather	-4°C (25°F)	68 mm (2.7 inches)	98%	low