nomadseason

October Weather in Siuntio, Finland

Last updated: August 23, 2025

In Siuntio, Finland, the average temperature in October hovers around 7°C (45°F), with lows dipping to -4°C (25°F) and highs reaching up to 16°C (62°F). Expect precipitation of around 88 mm (3.5 in) spread across 16 days, contributing to an average humidity of 93%.

October Temperature in Siuntio

In October in Siuntio, 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 Siuntio: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Siuntio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siuntio, 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).
JanFebMarAprMayJunJulAugSepOctNovDec282630385061646254453831
Data source: Temperature data for Siuntio generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Siuntio

In Siuntio in October, the precipitation amount is 88 mm (3.5 in) spread over 16 days.

October Precipitation Trends in Siuntio

The chart displays monthly precipitation patterns in Siuntio, 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 Siuntio, October typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec584954405351837865886375
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Siuntio

In Siuntio 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 Siuntio

This chart illustrates the average monthly humidity levels in Siuntio, 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 Siuntio is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%93%87%75%75%80%83%90%93%94%95%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Siuntio

In Siuntio 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 Siuntio, you can visit Hourly UV Index in Siuntio.

Maximum UV Index Levels in Siuntio for October

The chart shows the monthly maximum UV Index (UVI) for Siuntio 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 Siuntio typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Siuntio 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 Siuntio Compares to Other Months

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

This table compares monthly weather conditions in Siuntio, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)58 mm (2.3 inches)97%low
February Weather-3°C (26°F)49 mm (1.9 inches)95%low
March Weather-1°C (31°F)54 mm (2.1 inches)93%moderate
April Weather3°C (39°F)40 mm (1.6 inches)86%moderate
May Weather10°C (50°F)53 mm (2.1 inches)75%moderate
June Weather16°C (61°F)51 mm (2.0 inches)75%high
July Weather18°C (64°F)83 mm (3.3 inches)80%high
August Weather16°C (62°F)78 mm (3.1 inches)83%moderate
September Weather12°C (54°F)65 mm (2.6 inches)90%moderate
October Weather7°C (45°F)88 mm (3.5 inches)93%low
November Weather3°C (38°F)63 mm (2.5 inches)94%low
December Weather-1°C (31°F)75 mm (2.9 inches)95%low

Compare Siuntio's Climate with Cities Worldwide