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August Weather in Kustavi, Finland

Last updated: August 23, 2025

In August, the average temperature in Kustavi, Finland hovers around 17°C (63°F), with a comfortable range that dips to a minimum of 10°C (51°F) and peaks at 24°C (76°F). Expect 67 mm (2.6 in) of rainfall over approximately 12 days, creating a backdrop of lush greenery. Additionally, the average humidity of 79% adds a refreshing touch to the air, making this a delightful time to experience the beauty of Kustavi.

August Temperature in Kustavi

In August in Kustavi, the average temperature is 17°C (63°F). Maximums can reach 24°C (76°F), and minimums can dip as low as 10°C (51°F). This mild climate makes Kustavi an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates August temperature patterns in Kustavi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kustavi, August typically has an average temperature of 17°C (63°F), with highs reaching up to 24°C (76°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec322932384657636356484235
Data source: Temperature data for Kustavi generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Kustavi

In Kustavi in August, the precipitation amount is 67 mm (2.6 in) distributed over 12 days.

August Precipitation Trends in Kustavi

The chart displays monthly precipitation patterns in Kustavi, 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 Kustavi, August typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4640402737364767771076987
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kustavi

In Kustavi in August, humidity is 79%. With an average temperature of 17°C (63°F), this humidity feels like a warm, muggy embrace, making outdoor activities less comfortable and prompting travelers to seek shaded areas or cool refreshments more frequently.

August Average Humidity in Kustavi

This chart illustrates the average monthly humidity levels in Kustavi, 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 Kustavi is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Kustavi

In Kustavi 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 Kustavi.

Maximum UV Index Levels in Kustavi for August

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

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

This table compares monthly weather conditions in Kustavi, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)46 mm (1.8 inches)92%low
February Weather-2°C (29°F)40 mm (1.6 inches)90%low
March Weather0°C (33°F)40 mm (1.6 inches)89%moderate
April Weather3°C (38°F)27 mm (1.1 inches)85%moderate
May Weather8°C (47°F)37 mm (1.5 inches)77%moderate
June Weather14°C (58°F)36 mm (1.4 inches)78%high
July Weather17°C (63°F)47 mm (1.9 inches)78%high
August Weather17°C (63°F)67 mm (2.6 inches)79%moderate
September Weather13°C (56°F)77 mm (3.0 inches)86%moderate
October Weather9°C (48°F)107 mm (4.2 inches)90%low
November Weather5°C (42°F)69 mm (2.7 inches)91%low
December Weather2°C (36°F)87 mm (3.4 inches)89%low

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