Last updated: August 23, 2025
In May, the average temperature in Jalasjaervi, Finland hovers around 9°C (49°F). Conditions can vary widely, with temperatures dipping as low as -5°C (23°F) and soaring up to 28°C (82°F). Expect about 58 mm (2.3 in) of precipitation spread over 10 days, and a cozy average humidity of 77%.
In May in Jalasjaervi, the average temperature is 9°C (49°F). The maximum can reach 28°C (82°F), while the minimum can be as low as -5°C (23°F). This diverse range of temperatures makes Jalasjaervi an interesting destination for travelers seeking both warmth and a touch of winter chill.
In Jalasjaervi in May, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.
In Jalasjaervi 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 Jalasjaervi 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 Jalasjaervi.
UV Risk Categories
Weather in Jalasjaervi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Jalasjaervi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 38 mm (1.5 inches) | 97% | low |
| February Weather | -5°C (22°F) | 39 mm (1.5 inches) | 95% | low |
| March Weather | -2°C (29°F) | 43 mm (1.7 inches) | 92% | moderate |
| April Weather | 3°C (38°F) | 44 mm (1.7 inches) | 85% | moderate |
| May Weather | 9°C (49°F) | 58 mm (2.3 inches) | 77% | moderate |
| June Weather | 15°C (60°F) | 60 mm (2.4 inches) | 74% | high |
| July Weather | 17°C (62°F) | 57 mm (2.2 inches) | 79% | high |
| August Weather | 15°C (59°F) | 92 mm (3.6 inches) | 82% | moderate |
| September Weather | 10°C (50°F) | 69 mm (2.7 inches) | 89% | moderate |
| October Weather | 5°C (41°F) | 69 mm (2.7 inches) | 93% | low |
| November Weather | 1°C (34°F) | 59 mm (2.3 inches) | 93% | low |
| December Weather | -3°C (28°F) | 51 mm (2.0 inches) | 95% | low |