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August Weather in Karis, Finland

Last updated: August 23, 2025

In August, the average temperature in Karis, Finland hovers around 17°C (63°F), with a minimum of 9°C (49°F) and a maximum reaching 27°C (80°F). Expect some precipitation, averaging 86 mm (3.4 in) over 12 days of rain, contributing to a humidity level of 83%. Get ready for a mix of mild warmth and the cozy embrace of moisture!

August Temperature in Karis

In August, in Karis, the average temperature is 17°C (63°F). Maximums can reach 27°C (80°F), and minimums can be as low as 9°C (49°F). This pleasant climate makes it a great time for outdoor activities and exploring the local sights.

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

The chart illustrates August temperature patterns in Karis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karis, August typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (80°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec302832394860646355474033
Data source: Temperature data for Karis 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 Karis

In Karis in August, the precipitation amount is 86 mm (3.4 in) over a span of 12 days.

August Precipitation Trends in Karis

The chart displays monthly precipitation patterns in Karis, 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 Karis, August typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6050553647467386711107680
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Karis

In Karis in August humidity is 83%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable, as the air clings to the skin and creates a heavy atmosphere, often leading to fatigue and a longing for the cooling relief of shade or air conditioning.

August Average Humidity in Karis

This chart illustrates the average monthly humidity levels in Karis, 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 Karis is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%90%87%76%80%80%83%87%90%91%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Karis

In Karis 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 Karis.

Maximum UV Index Levels in Karis for August

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

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

This table compares monthly weather conditions in Karis, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)60 mm (2.3 inches)92%low
February Weather-2°C (28°F)50 mm (2.0 inches)91%low
March Weather0°C (32°F)55 mm (2.2 inches)90%moderate
April Weather4°C (39°F)36 mm (1.4 inches)87%moderate
May Weather9°C (48°F)47 mm (1.9 inches)76%moderate
June Weather15°C (60°F)46 mm (1.8 inches)80%high
July Weather18°C (64°F)73 mm (2.9 inches)80%high
August Weather17°C (63°F)86 mm (3.4 inches)83%moderate
September Weather13°C (55°F)71 mm (2.8 inches)87%moderate
October Weather8°C (47°F)110 mm (4.3 inches)90%low
November Weather5°C (41°F)76 mm (3.0 inches)91%low
December Weather1°C (33°F)80 mm (3.1 inches)90%low

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