August Weather in Siuntio, Finland

Last updated: August 23, 2025

In August, the average temperature in Siuntio, Finland hovers around 16°C (62°F). Expect a minimum of 7°C (45°F) and a maximum of 28°C (83°F) during this time. Additionally, be prepared for 78 mm (3.1 in) of precipitation spread across 12 days, with an average humidity level of 83%.

August Temperature in Siuntio

In August in Siuntio, the average temperature is 16°C (62°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as 7°C (45°F). This mild climate makes Siuntio a great destination for travelers looking to enjoy comfortable weather.

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

The chart illustrates August 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, August typically has an average temperature of 16°C (62°F), with highs reaching up to 28°C (83°F) and lows dropping to around 7°C (45°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.

August Precipitation in Siuntio

In Siuntio in August, the precipitation amount is 78 mm (3.1 in), occurring over a span of 12 days.

August Precipitation Trends in Siuntio

The chart displays monthly precipitation patterns in Siuntio, 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 Siuntio, August typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec584954405351837865886375
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Siuntio

In Siuntio in August humidity is 83%. With an average temperature of 16°C (62°F), this humidity feels like a warm, sticky embrace that can make traveling feel a bit heavy, leaving you longing for refreshing breezes and shaded spots to relax in.

August Average Humidity in Siuntio

This chart illustrates the average monthly humidity levels in Siuntio, 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 Siuntio is approximately 83%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Siuntio

In Siuntio 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 Siuntio.

Maximum UV Index Levels in Siuntio for August

The chart shows the monthly maximum UV Index (UVI) for Siuntio 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 Siuntio typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Siuntio 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 Siuntio Compares to Other Months

Weather in Siuntio varies notably across the year, with each month offering distinct climate conditions. This page compares August’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 August’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