Last updated: August 23, 2025
In May, the average temperature in Karttula, Finland hovers around 8°C (47°F), with temperatures ranging from a chilly -5°C (24°F) to a warm 28°C (83°F). Expect precipitation to accumulate to about 54 mm (2.1 in) over 11 days, contributing to an average humidity of 78%. Be prepared for a mix of weather as the month unfolds!
In May in Karttula, the average temperature is 8°C (47°F). The maximum can reach 28°C (83°F), while the minimum can drop to as low as -5°C (24°F). Travelers should be prepared for a wide range of temperatures during this month.
In Karttula in May, the precipitation amount is 54 mm (2.1 in), occurring over the course of 11 days.
In Karttula in May, humidity is 78%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making travel invigorating yet damp, as the cool air wraps around you, emphasizing the need for layers to stay comfortable while exploring.
In Karttula in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Karttula.
UV Risk Categories
Weather in Karttula varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Karttula, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (21°F) | 49 mm (1.9 inches) | 99% | low |
February Weather | -7°C (20°F) | 42 mm (1.7 inches) | 97% | low |
March Weather | -3°C (26°F) | 41 mm (1.6 inches) | 95% | moderate |
April Weather | 2°C (35°F) | 44 mm (1.7 inches) | 87% | moderate |
May Weather | 8°C (47°F) | 54 mm (2.1 inches) | 78% | moderate |
June Weather | 15°C (60°F) | 59 mm (2.3 inches) | 74% | high |
July Weather | 17°C (63°F) | 79 mm (3.1 inches) | 80% | high |
August Weather | 15°C (60°F) | 98 mm (3.9 inches) | 85% | moderate |
September Weather | 10°C (50°F) | 91 mm (3.6 inches) | 91% | moderate |
October Weather | 5°C (41°F) | 86 mm (3.4 inches) | 95% | low |
November Weather | 1°C (33°F) | 75 mm (2.9 inches) | 94% | low |
December Weather | -4°C (25°F) | 67 mm (2.6 inches) | 98% | low |