June Weather in Sumiainen, Finland

Last updated: August 23, 2025

In June, the average temperature in Sumiainen, Finland hovers around 15°C (60°F). Visitors can expect a temperature range from a chilly 1°C (34°F) to a warm 30°C (86°F). With an average humidity of 74%, the weather can feel quite muggy. Be prepared for some wet weather, as the area receives about 57 mm (2.3 in) of precipitation over 11 days.

June Temperature in Sumiainen

In June in Sumiainen, the average temperature is 15°C (60°F). Maximum temperatures can reach 30°C (86°F), while minimum temperatures can drop to as low as 1°C (34°F). This mild climate makes it a great time for travelers to explore the region while enjoying comfortable weather.

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

The chart illustrates June temperature patterns in Sumiainen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumiainen, June typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec222027354760635950413426
Data source: Temperature data for Sumiainen 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 Sumiainen

In Sumiainen in June, the total precipitation amount is 57 mm (2.3 in) over the course of 11 days.

June Precipitation Trends in Sumiainen

The chart displays monthly precipitation patterns in Sumiainen, 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 Sumiainen, June typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec454138436057718980806262
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Sumiainen

In Sumiainen 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 Sumiainen

This chart illustrates the average monthly humidity levels in Sumiainen, 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 Sumiainen is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%95%87%78%74%80%85%91%95%94%98%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Sumiainen

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

Maximum UV Index Levels in Sumiainen for June

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

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

This table compares monthly weather conditions in Sumiainen, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)45 mm (1.8 inches)99%low
February Weather-6°C (21°F)41 mm (1.6 inches)97%low
March Weather-3°C (27°F)38 mm (1.5 inches)95%moderate
April Weather2°C (35°F)43 mm (1.7 inches)87%moderate
May Weather8°C (48°F)60 mm (2.4 inches)78%moderate
June Weather15°C (60°F)57 mm (2.3 inches)74%high
July Weather17°C (63°F)71 mm (2.8 inches)80%high
August Weather15°C (60°F)89 mm (3.5 inches)85%moderate
September Weather10°C (50°F)80 mm (3.2 inches)91%moderate
October Weather5°C (41°F)80 mm (3.1 inches)95%low
November Weather1°C (34°F)62 mm (2.4 inches)94%low
December Weather-3°C (26°F)62 mm (2.4 inches)98%low

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