October Weather in Vantaa, Finland

Last updated: August 23, 2025

In October, the average temperature in Vantaa, Finland hovers around 7°C (45°F), creating a chilly atmosphere. Expect minimum temperatures to dip to -4°C (25°F), while daytime highs can reach up to 16°C (62°F). With an average humidity of 93% and 89 mm (3.5 in) of precipitation spread over 17 days, this month tends to be quite damp. Prepare for the cool and wet conditions!

October Temperature in Vantaa

In October in Vantaa, the average temperature is 7°C (45°F). Maximums can reach 16°C (62°F), while minimums can be as low as -4°C (25°F). Be prepared for a mix of cool and chilly conditions, making it essential to dress in layers if you plan to travel during this time.

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

The chart illustrates October 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, October typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (62°F) and lows dropping to around -4°C (25°F).

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

October Precipitation in Vantaa

In Vantaa in October, the total precipitation amount is 89 mm (3.5 in), occurring over the course of 17 days.

October Precipitation Trends in Vantaa

The chart displays monthly precipitation patterns in Vantaa, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Vantaa, October typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 17 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Vantaa

In Vantaa in October, humidity is 93%. With an average temperature of 7°C (45°F), this humidity feels like a chilly, damp embrace that can make outdoor adventures uncomfortable and may require extra layers to stay warm and dry while exploring.

October Average Humidity in Vantaa

This chart illustrates the average monthly humidity levels in Vantaa, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Vantaa is approximately 93%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Vantaa

In Vantaa in October, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Vantaa, you can visit Hourly UV Index in Vantaa.

Maximum UV Index Levels in Vantaa for October

The chart shows the monthly maximum UV Index (UVI) for Vantaa in October, 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 October, the maximum UV index in Vantaa typically reaches 2, which falls under the low exposure category.

Data source: Vantaa October 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 October 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 October’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 October’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