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August Weather in Yli-Ii, Finland

Last updated: August 23, 2025

In August, the average temperature in Yli-Ii, Finland hovers around 14°C (58°F). Expect a range of temperatures, with minimums dipping to 1°C (34°F) and maximums soaring to 30°C (87°F). During this month, precipitation is notable, averaging 95 mm (3.7 in) across 15 days. Additionally, the average humidity is quite high at 84%, creating a humid environment.

August Temperature in Yli-Ii

In August in Yli-Ii, the average temperature is 14°C (58°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as 1°C (34°F). This diverse range of temperatures makes it an ideal time for travelers to enjoy both warm and cooler weather activities.

August Weather in Yli-Ii: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Yli-Ii, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yli-Ii, August typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (87°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec181624334557635748393023
Data source: Temperature data for Yli-Ii 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 Yli-Ii

In Yli-Ii in August, the precipitation amount is 95 mm (3.7 in) over a period of 15 days.

August Precipitation Trends in Yli-Ii

The chart displays monthly precipitation patterns in Yli-Ii, 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 Yli-Ii, August typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec454346415166779576866763
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Yli-Ii

In Yli-Ii in August humidity is 84%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and damp, which can be uncomfortable for traveling.

August Average Humidity in Yli-Ii

This chart illustrates the average monthly humidity levels in Yli-Ii, 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 Yli-Ii is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec100%98%95%87%81%77%79%84%90%95%95%99%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Yli-Ii

In Yli-Ii in August, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Yli-Ii for better planning.

Maximum UV Index Levels in Yli-Ii for August

The chart shows the monthly maximum UV Index (UVI) for Yli-Ii 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 Yli-Ii typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112346643211
Data source: Yli-Ii 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 Yli-Ii Compares to Other Months

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

This table compares monthly weather conditions in Yli-Ii, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)45 mm (1.8 inches)100%low
February Weather-9°C (17°F)42 mm (1.7 inches)98%low
March Weather-4°C (25°F)46 mm (1.8 inches)95%low
April Weather1°C (34°F)41 mm (1.6 inches)87%moderate
May Weather7°C (45°F)51 mm (2.0 inches)81%moderate
June Weather14°C (58°F)66 mm (2.6 inches)77%high
July Weather17°C (63°F)77 mm (3.0 inches)79%high
August Weather14°C (58°F)95 mm (3.7 inches)84%moderate
September Weather9°C (49°F)76 mm (3.0 inches)90%moderate
October Weather4°C (39°F)86 mm (3.4 inches)95%low
November Weather-1°C (30°F)67 mm (2.6 inches)95%low
December Weather-5°C (23°F)63 mm (2.5 inches)99%low

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