Last updated: August 27, 2025
In Jakobsberg, Sweden, the average temperature in December hovers around 0°C (33°F), with extremes ranging from a brisk -18°C (1°F) to a milder 9°C (49°F). Expect about 56 mm (2.2 in) of precipitation spread over 13 days, contributing to an average humidity of 87%. Stay prepared for chilly and damp days!
In December in Jakobsberg, the average temperature is 0°C (33°F). Maximums can reach 9°C (49°F) and minimums can be as low as -18°C (1°F). Be prepared for cold weather and pack warm clothing if you plan to travel during this time.
In Jakobsberg in December, the precipitation amount is 56 mm (2.2 in) over the course of 13 days.
In Jakobsberg in December, humidity is 87%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making every step feel heavier and the air thick and suffocating, often leading to a sense of discomfort while traveling.
In Jakobsberg 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 Jakobsberg.
UV Risk Categories
Weather in Jakobsberg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Jakobsberg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 34 mm (1.4 inches) | 90% | low |
| February Weather | -1°C (30°F) | 32 mm (1.2 inches) | 88% | low |
| March Weather | 1°C (35°F) | 41 mm (1.6 inches) | 89% | moderate |
| April Weather | 5°C (42°F) | 28 mm (1.1 inches) | 85% | moderate |
| May Weather | 11°C (52°F) | 56 mm (2.2 inches) | 77% | moderate |
| June Weather | 17°C (63°F) | 58 mm (2.3 inches) | 76% | high |
| July Weather | 18°C (65°F) | 53 mm (2.1 inches) | 74% | high |
| August Weather | 17°C (63°F) | 74 mm (2.9 inches) | 77% | moderate |
| September Weather | 13°C (55°F) | 51 mm (2.0 inches) | 85% | moderate |
| October Weather | 8°C (46°F) | 68 mm (2.7 inches) | 89% | low |
| November Weather | 4°C (39°F) | 42 mm (1.6 inches) | 90% | low |
| December Weather | 0°C (33°F) | 56 mm (2.2 inches) | 87% | low |