Last updated: August 23, 2025
In December, the average temperature in Ylikiiminki, Finland plunges to a chilly -5°C (23°F). Expect minimums that can dip as low as -26°C (-14°F) and maximums reaching 4°C (39°F). Rain and snow combined bring about 62 mm (2.5 in) of precipitation across 16 days, creating a moist atmosphere with an impressive 99% humidity. Dress warmly and be prepared for the wintery conditions!
In December in Ylikiiminki, the average temperature is -5°C (23°F). The maximum can reach 4°C (39°F), while the minimum can drop as low as -26°C (-14°F). Travelers should be prepared for chilly conditions and pack appropriate winter gear for their visit.
In Ylikiiminki in December, the precipitation amount is 62 mm (2.5 in) occurring over the course of 16 days.
In Ylikiiminki in December humidity is 99%. With an average temperature of -5°C (23°F), this humidity feels like an icy veil clinging to your skin, making every breath feel sharp and heavy, a stark reminder that even in the cold, moisture hangs in the air, creating an uncomfortable chill that can dampen any travel adventure.
In Ylikiiminki in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Ylikiiminki.
UV Risk Categories
Weather in Ylikiiminki varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ylikiiminki, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 44 mm (1.7 inches) | 100% | low |
| February Weather | -9°C (16°F) | 43 mm (1.7 inches) | 98% | low |
| March Weather | -4°C (25°F) | 45 mm (1.8 inches) | 95% | low |
| April Weather | 1°C (34°F) | 42 mm (1.7 inches) | 87% | moderate |
| May Weather | 8°C (46°F) | 55 mm (2.2 inches) | 81% | moderate |
| June Weather | 14°C (58°F) | 69 mm (2.7 inches) | 77% | high |
| July Weather | 17°C (62°F) | 85 mm (3.3 inches) | 79% | high |
| August Weather | 14°C (57°F) | 105 mm (4.1 inches) | 84% | moderate |
| September Weather | 9°C (48°F) | 78 mm (3.1 inches) | 90% | moderate |
| October Weather | 3°C (38°F) | 88 mm (3.5 inches) | 95% | low |
| November Weather | -1°C (30°F) | 72 mm (2.8 inches) | 95% | low |
| December Weather | -5°C (23°F) | 62 mm (2.5 inches) | 99% | low |