August Weather in Vantaa, Finland

Last updated: August 23, 2025

In August, the average temperature in Vantaa, Finland is a pleasant 17°C (62°F). You can expect temperatures to range from a cool 7°C (45°F) to a warm 29°C (84°F). During this month, Vantaa typically receives about 83 mm (3.3 in) of precipitation spread over 13 days, while maintaining an average humidity level of 83%.

August Temperature in Vantaa

In August in Vantaa, the average temperature is 17°C (62°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as 7°C (45°F). This moderate climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Vantaa.

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

The chart illustrates August temperature patterns in Vantaa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vantaa, August typically has an average temperature of 17°C (62°F), with highs reaching up to 29°C (84°F) and lows dropping to around 7°C (45°F).

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

August Precipitation in Vantaa

In Vantaa in August, the precipitation amount is 83 mm (3.3 in) over a span of 13 days.

August Precipitation Trends in Vantaa

The chart displays monthly precipitation patterns in Vantaa, 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 Vantaa, August typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 13 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 Vantaa

In Vantaa in August, humidity is 83%. With an average temperature of 17°C (62°F), this humidity feels like traveling through a thick blanket of warmth, making every step feel heavy and inviting frequent breaks to cool down and hydrate.

August Average Humidity in Vantaa

This chart illustrates the average monthly humidity levels in Vantaa, 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 Vantaa is approximately 83%, 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 Vantaa

In Vantaa 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 Vantaa.

Maximum UV Index Levels in Vantaa for August

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

Data source: Vantaa 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 Vantaa Compares to Other Months

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

This table compares monthly weather conditions in Vantaa, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	55 mm (2.2 inches)	97%	low
February Weather	-3°C (26°F)	48 mm (1.9 inches)	95%	low
March Weather	-1°C (31°F)	52 mm (2.0 inches)	93%	moderate
April Weather	4°C (39°F)	48 mm (1.9 inches)	86%	moderate
May Weather	10°C (50°F)	56 mm (2.2 inches)	75%	moderate
June Weather	16°C (62°F)	61 mm (2.4 inches)	75%	high
July Weather	18°C (65°F)	91 mm (3.6 inches)	80%	high
August Weather	17°C (62°F)	83 mm (3.3 inches)	83%	moderate
September Weather	12°C (54°F)	76 mm (3.0 inches)	90%	moderate
October Weather	7°C (45°F)	89 mm (3.5 inches)	93%	low
November Weather	3°C (38°F)	62 mm (2.5 inches)	94%	low
December Weather	-1°C (31°F)	73 mm (2.9 inches)	95%	low