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June Weather in Seinaejoki, Finland

Last updated: August 23, 2025

In June, the average temperature in Seinaejoki, Finland hovers around 15°C (60°F). However, be prepared for a range of temperatures, as the minimum can dip to -1°C (30°F) while the maximum may soar to 31°C (89°F). Expect 61 mm (2.4 in) of precipitation spread over 11 days, contributing to an average humidity of 74%.

June Temperature in Seinaejoki

In June in Seinaejoki, the average temperature is 15°C (60°F). Maximum temperatures can reach 31°C (89°F), while minimum temperatures can drop as low as -1°C (30°F). This diverse range makes Seinaejoki an ideal destination for travelers seeking both warm and cool experiences during their visit.

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

The chart illustrates June temperature patterns in Seinaejoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seinaejoki, June typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (89°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec242229384860625950413427
Data source: Temperature data for Seinaejoki 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 Seinaejoki

In Seinaejoki in June, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.

June Precipitation Trends in Seinaejoki

The chart displays monthly precipitation patterns in Seinaejoki, 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 Seinaejoki, June typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec373941446061599071755847
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Seinaejoki

In Seinaejoki in June humidity is 74%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace that can make outdoor activities feel slightly stifling, so travelers should be prepared to hydrate frequently and take breaks in the shade.

June Average Humidity in Seinaejoki

This chart illustrates the average monthly humidity levels in Seinaejoki, 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 Seinaejoki is approximately 74%, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Seinaejoki

In Seinaejoki 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 Seinaejoki, you can refer to this Hourly UV Index in Seinaejoki.

Maximum UV Index Levels in Seinaejoki for June

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

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

This table compares monthly weather conditions in Seinaejoki, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)37 mm (1.4 inches)97%low
February Weather-5°C (22°F)39 mm (1.5 inches)95%low
March Weather-2°C (29°F)41 mm (1.6 inches)92%moderate
April Weather3°C (38°F)44 mm (1.7 inches)85%moderate
May Weather9°C (49°F)60 mm (2.3 inches)77%moderate
June Weather15°C (60°F)61 mm (2.4 inches)74%high
July Weather17°C (63°F)59 mm (2.3 inches)79%high
August Weather15°C (59°F)90 mm (3.6 inches)82%moderate
September Weather10°C (50°F)71 mm (2.8 inches)89%moderate
October Weather5°C (41°F)75 mm (2.9 inches)93%low
November Weather1°C (34°F)58 mm (2.3 inches)93%low
December Weather-3°C (28°F)47 mm (1.9 inches)95%low

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