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July Weather in Isojoki, Finland

Last updated: August 23, 2025

In July, the average temperature in Isojoki, Finland hovers around 17°C (63°F), with fluctuations between a crisp 5°C (42°F) and a warm 32°C (91°F). Expect about 87 mm (3.4 in) of rainfall spread over 11 days, complemented by a high average humidity of 78%. Be prepared for a climate that balances warmth and moisture!

July Temperature in Isojoki

In July in Isojoki, the average temperature is 17°C (63°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as 5°C (42°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for both warm days and cooler evenings.

July Weather in Isojoki: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Isojoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isojoki, July typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (91°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec252329384960635951423528
Data source: Temperature data for Isojoki 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.

July Precipitation in Isojoki

In Isojoki in July, the precipitation amount is 87 mm (3.4 in) over the course of 11 days.

July Precipitation Trends in Isojoki

The chart displays monthly precipitation patterns in Isojoki, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Isojoki, July typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4346484647698711377806867
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Isojoki

In Isojoki in July, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

July Average Humidity in Isojoki

This chart illustrates the average monthly humidity levels in Isojoki, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Isojoki is approximately 78%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Isojoki

In Isojoki in July, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Isojoki, you can refer to this Hourly UV Index in Isojoki.

Maximum UV Index Levels in Isojoki for July

The chart shows the monthly maximum UV Index (UVI) for Isojoki in July, 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 July, the maximum UV index in Isojoki typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Isojoki July 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 July Weather in Isojoki Compares to Other Months

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

This table compares monthly weather conditions in Isojoki, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)43 mm (1.7 inches)92%low
February Weather-5°C (24°F)46 mm (1.8 inches)90%low
March Weather-2°C (29°F)48 mm (1.9 inches)89%moderate
April Weather3°C (38°F)46 mm (1.8 inches)85%moderate
May Weather9°C (49°F)47 mm (1.8 inches)77%moderate
June Weather16°C (61°F)69 mm (2.7 inches)78%high
July Weather17°C (63°F)87 mm (3.4 inches)78%high
August Weather15°C (60°F)113 mm (4.5 inches)79%moderate
September Weather11°C (51°F)77 mm (3.0 inches)86%moderate
October Weather6°C (42°F)80 mm (3.1 inches)90%low
November Weather2°C (35°F)68 mm (2.7 inches)91%low
December Weather-2°C (29°F)67 mm (2.6 inches)89%low

Compare Isojoki's Climate with Cities Worldwide