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August Weather in Karstula, Finland

Last updated: August 23, 2025

In Karstula, Finland, the average temperature in August is a mild 14°C (58°F). Temperatures can vary significantly, with a minimum of 3°C (38°F) and a maximum reaching up to 31°C (87°F). Expect about 90 mm (3.6 in) of precipitation spread over 14 days, and be prepared for a notable average humidity level of 82%.

August Temperature in Karstula

In August in Karstula, the average temperature is 14°C (58°F). The maximum can reach 31°C (87°F), and the minimum can be as low as 3°C (38°F). It's a great time to travel, as you can experience a comfortable climate suitable for a variety of outdoor activities.

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

The chart illustrates August temperature patterns in Karstula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karstula, August typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (87°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec222027354759615848393225
Data source: Temperature data for Karstula 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 Karstula

In Karstula in August, the precipitation amount is 90 mm (3.6 in) accumulated over a span of 14 days.

August Precipitation Trends in Karstula

The chart displays monthly precipitation patterns in Karstula, 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 Karstula, August typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec444341466461669074766459
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Karstula

In Karstula in August, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

August Average Humidity in Karstula

This chart illustrates the average monthly humidity levels in Karstula, 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 Karstula is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%85%77%74%79%82%89%93%93%95%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Karstula

In Karstula 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 Karstula.

Maximum UV Index Levels in Karstula for August

The chart shows the monthly maximum UV Index (UVI) for Karstula 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 Karstula typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Karstula 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 Karstula Compares to Other Months

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

This table compares monthly weather conditions in Karstula, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)44 mm (1.7 inches)97%low
February Weather-7°C (20°F)43 mm (1.7 inches)95%low
March Weather-3°C (27°F)41 mm (1.6 inches)92%moderate
April Weather2°C (35°F)46 mm (1.8 inches)85%moderate
May Weather8°C (47°F)64 mm (2.5 inches)77%moderate
June Weather15°C (60°F)61 mm (2.4 inches)74%high
July Weather16°C (62°F)66 mm (2.6 inches)79%high
August Weather14°C (58°F)90 mm (3.6 inches)82%moderate
September Weather9°C (49°F)74 mm (2.9 inches)89%moderate
October Weather4°C (40°F)76 mm (3.0 inches)93%low
November Weather0°C (33°F)64 mm (2.5 inches)93%low
December Weather-4°C (26°F)59 mm (2.3 inches)95%low

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