Last updated: August 27, 2025
In December, the average temperature in Mjallby, Sweden hovers around 3°C (37°F), with a chilly minimum of -10°C (14°F) and a milder maximum of 9°C (49°F). Be prepared for wet conditions, as 81 mm (3.2 in) of precipitation is expected over 15 days. Don't forget to bundle up; the average humidity level is a brisk 91%!
In December in Mjallby, the average temperature is 3°C (37°F). The maximum can reach 9°C (49°F), and the minimum can be as low as -10°C (14°F). Travelers should be prepared for cold weather and varying conditions during this time.
In Mjallby in December, the precipitation amount is 81 mm (3.2 in) spread over the course of 15 days.
In Mjallby in December, humidity is 91%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making travel quite uncomfortable and requiring you to dress in layers to stay warm while battling the oppressive mugginess.
In Mjallby 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 Mjallby.
UV Risk Categories
Weather in Mjallby varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mjallby, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 58 mm (2.3 inches) | 92% | low |
| February Weather | 1°C (35°F) | 67 mm (2.6 inches) | 91% | low |
| March Weather | 3°C (38°F) | 69 mm (2.7 inches) | 89% | moderate |
| April Weather | 7°C (45°F) | 41 mm (1.6 inches) | 82% | moderate |
| May Weather | 12°C (53°F) | 71 mm (2.8 inches) | 70% | high |
| June Weather | 17°C (63°F) | 58 mm (2.3 inches) | 65% | high |
| July Weather | 18°C (64°F) | 95 mm (3.7 inches) | 65% | high |
| August Weather | 17°C (63°F) | 118 mm (4.6 inches) | 71% | high |
| September Weather | 14°C (57°F) | 93 mm (3.7 inches) | 82% | moderate |
| October Weather | 10°C (50°F) | 108 mm (4.2 inches) | 90% | moderate |
| November Weather | 6°C (43°F) | 64 mm (2.5 inches) | 92% | low |
| December Weather | 3°C (37°F) | 81 mm (3.2 inches) | 91% | low |