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June Weather in Isojoki, Finland

Last updated: August 23, 2025

In June, the average temperature in Isojoki, Finland hovers around 16°C (61°F), with a range that can dip to a chilly 0°C (33°F) and soar to a warm 31°C (89°F). Expect about 69 mm (2.7 in) of precipitation over 10 days, contributing to an average humidity of 78%. Whether you're basking in the sun or bracing against the rain, this month offers a variety of weather experiences!

June Temperature in Isojoki

In June in Isojoki, the average temperature is 16°C (61°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop as low as 0°C (33°F). Travelers should be prepared for a wide range of temperatures during their visit.

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

The chart illustrates June 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, June typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (89°F) and lows dropping to around 0°C (33°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.

June Precipitation in Isojoki

In Isojoki in June, the precipitation amount is 69 mm (2.7 in) spread over a period of 10 days.

June Precipitation Trends in Isojoki

The chart displays monthly precipitation patterns in Isojoki, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Isojoki, June typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec4346484647698711377806867
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Isojoki

In Isojoki in June, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.

June Average Humidity in Isojoki

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

June UV Index in Isojoki

In Isojoki in June, 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 June

The chart shows the monthly maximum UV Index (UVI) for Isojoki in June, 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 June, the maximum UV index in Isojoki typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Isojoki June 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 June 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 June’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 June’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