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.
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.
In Sumiainen in June, the total precipitation amount is 57 mm (2.3 in) over the course of 11 days.
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.
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.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
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 Weather | 2°C (35°F) | 43 mm (1.7 inches) | 87% | moderate |
May Weather | 8°C (48°F) | 60 mm (2.4 inches) | 78% | moderate |
June Weather | 15°C (60°F) | 57 mm (2.3 inches) | 74% | high |
July Weather | 17°C (63°F) | 71 mm (2.8 inches) | 80% | high |
August Weather | 15°C (60°F) | 89 mm (3.5 inches) | 85% | moderate |
September Weather | 10°C (50°F) | 80 mm (3.2 inches) | 91% | moderate |
October Weather | 5°C (41°F) | 80 mm (3.1 inches) | 95% | low |
November Weather | 1°C (34°F) | 62 mm (2.4 inches) | 94% | low |
December Weather | -3°C (26°F) | 62 mm (2.4 inches) | 98% | low |