Last updated: August 27, 2025
In December, the average temperature in Saerna, Sweden hovers around -5°C (23°F), with potential extremes ranging from a chilly -23°C (-9°F) to a milder 5°C (41°F). Expect 65 mm (2.6 in) of precipitation over 15 days, contributing to a notably high average humidity of 96%. Stay warm and prepared for this frosty climate!
In December in Saerna, the average temperature is -5°C (23°F). Maximums can reach 5°C (41°F), and minimums can drop as low as -23°C (-9°F). Travelers should prepare for cold weather and dress in layers to stay warm during their visit.
In Saerna in December, the total precipitation amount reaches 65 mm (2.6 in) over the course of 15 days.
In Saerna in December humidity is 96%. With an average temperature of -5°C (23°F), this humidity feels like an icy fog that clings to your skin, making it challenging to stay warm and comfortable while traveling.
In Saerna 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 Saerna.
UV Risk Categories
Weather in Saerna varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saerna, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 39 mm (1.6 inches) | 97% | low |
| February Weather | -6°C (22°F) | 37 mm (1.5 inches) | 94% | low |
| March Weather | -3°C (27°F) | 41 mm (1.6 inches) | 91% | moderate |
| April Weather | 1°C (34°F) | 30 mm (1.2 inches) | 85% | moderate |
| May Weather | 7°C (45°F) | 72 mm (2.8 inches) | 77% | moderate |
| June Weather | 13°C (56°F) | 82 mm (3.2 inches) | 76% | high |
| July Weather | 14°C (58°F) | 90 mm (3.5 inches) | 74% | high |
| August Weather | 12°C (54°F) | 87 mm (3.4 inches) | 80% | moderate |
| September Weather | 8°C (47°F) | 75 mm (3.0 inches) | 88% | moderate |
| October Weather | 3°C (38°F) | 87 mm (3.4 inches) | 93% | low |
| November Weather | -1°C (30°F) | 67 mm (2.6 inches) | 96% | low |
| December Weather | -5°C (23°F) | 65 mm (2.6 inches) | 96% | low |