Last updated: August 23, 2025
In Pyhaejaervi, Finland, the average temperature in December hovers around a chilly -8°C (19°F). Expect temperature fluctuations with a minimum as low as -33°C (-27°F) and a maximum reaching up to 3°C (37°F). During this time, the area experiences about 54 mm (2.1 in) of precipitation spread over approximately 15 days, accompanied by an average humidity of a striking 101%.
In December in Pyhaejaervi, the average temperature is -8°C (19°F), with maximums reaching 3°C (37°F) and minimums plunging as low as -33°C (-27°F). Travelers should be prepared for extreme cold conditions during this time.
In Pyhaejaervi in December, the total precipitation amount is 54 mm (2.1 in) spread over the course of 15 days.
In Pyhaejaervi in December humidity is 101%. With an average temperature of -8°C (19°F), this humidity feels like an unbearable chill that seeps through your clothes, making every step outside feel like a daunting challenge for travelers.
In Pyhaejaervi 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 Pyhaejaervi.
UV Risk Categories
Weather in Pyhaejaervi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Pyhaejaervi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (13°F) | 41 mm (1.6 inches) | 101% | low |
| February Weather | -11°C (13°F) | 35 mm (1.4 inches) | 99% | low |
| March Weather | -6°C (21°F) | 44 mm (1.7 inches) | 93% | low |
| April Weather | 0°C (32°F) | 39 mm (1.5 inches) | 88% | moderate |
| May Weather | 5°C (42°F) | 48 mm (1.9 inches) | 83% | moderate |
| June Weather | 13°C (55°F) | 79 mm (3.1 inches) | 80% | moderate |
| July Weather | 16°C (61°F) | 79 mm (3.1 inches) | 83% | moderate |
| August Weather | 12°C (55°F) | 95 mm (3.7 inches) | 87% | moderate |
| September Weather | 7°C (45°F) | 67 mm (2.6 inches) | 92% | moderate |
| October Weather | 1°C (34°F) | 82 mm (3.2 inches) | 97% | low |
| November Weather | -4°C (25°F) | 59 mm (2.3 inches) | 98% | low |
| December Weather | -8°C (19°F) | 54 mm (2.1 inches) | 101% | low |