Last updated: August 23, 2025
In Ilmajoki, Finland, the average temperature in May is a cool 9°C (49°F). During this time, temperatures can dip as low as -5°C (23°F) and rise to a pleasant 27°C (82°F). Expect about 56 mm (2.2 in) of precipitation spread over 9 days, with an average humidity of 77%.
In May in Ilmajoki, the average temperature is 9°C (49°F). Maximum temperatures can reach up to 27°C (82°F), while minimums can drop as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Ilmajoki in May, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.
In Ilmajoki in May humidity is 77%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor explorations feel colder and more uncomfortable than the thermometer suggests.
In Ilmajoki 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 Ilmajoki.
UV Risk Categories
Weather in Ilmajoki varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ilmajoki, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -4°C (25°F) | 36 mm (1.4 inches) | 95% | low |
February Weather | -5°C (23°F) | 38 mm (1.5 inches) | 93% | low |
March Weather | -2°C (29°F) | 41 mm (1.6 inches) | 91% | moderate |
April Weather | 3°C (38°F) | 42 mm (1.7 inches) | 85% | moderate |
May Weather | 9°C (49°F) | 56 mm (2.2 inches) | 77% | moderate |
June Weather | 15°C (60°F) | 61 mm (2.4 inches) | 74% | high |
July Weather | 17°C (63°F) | 57 mm (2.2 inches) | 80% | high |
August Weather | 15°C (59°F) | 90 mm (3.5 inches) | 82% | moderate |
September Weather | 10°C (50°F) | 73 mm (2.9 inches) | 88% | moderate |
October Weather | 5°C (41°F) | 73 mm (2.9 inches) | 92% | low |
November Weather | 1°C (34°F) | 57 mm (2.2 inches) | 92% | low |
December Weather | -2°C (28°F) | 47 mm (1.8 inches) | 93% | low |