Last updated: August 23, 2025
The average temperature in Sillamaee, Estonia for December hovers around 0°C (32°F), with temperatures ranging from a chilly -15°C (5°F) to a milder 7°C (44°F). Expect a dive into wet weather with 86 mm (3.4 in) of precipitation over the course of 20 days, contributing to an average humidity level of 94%. Stay cozy and prepared for the elements!
In December in Sillamaee, the average temperature is 0°C (32°F). The maximum can reach 7°C (44°F), while the minimum can be as low as -15°C (5°F). Travelers should prepare for chilly conditions and pack warm clothing when visiting during this time.
In Sillamaee in December, the precipitation amount is 86 mm (3.4 in) spread over 20 days.
In Sillamaee in December, humidity is 94%. With an average temperature of 0°C (32°F), this humidity feels like a heavy blanket of moisture, making traveling uncomfortable as every breath feels damp and chilling.
In Sillamaee 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 Sillamaee.
UV Risk Categories
Weather in Sillamaee varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sillamaee, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 54 mm (2.1 inches) | 97% | low |
| February Weather | -3°C (27°F) | 57 mm (2.2 inches) | 94% | low |
| March Weather | -1°C (31°F) | 55 mm (2.2 inches) | 90% | moderate |
| April Weather | 3°C (39°F) | 48 mm (1.9 inches) | 86% | moderate |
| May Weather | 9°C (48°F) | 62 mm (2.4 inches) | 71% | moderate |
| June Weather | 16°C (60°F) | 51 mm (2.0 inches) | 77% | high |
| July Weather | 18°C (65°F) | 79 mm (3.1 inches) | 82% | high |
| August Weather | 17°C (64°F) | 110 mm (4.3 inches) | 86% | high |
| September Weather | 14°C (57°F) | 106 mm (4.2 inches) | 90% | moderate |
| October Weather | 8°C (47°F) | 131 mm (5.2 inches) | 93% | low |
| November Weather | 4°C (40°F) | 92 mm (3.6 inches) | 93% | low |
| December Weather | 0°C (32°F) | 86 mm (3.4 inches) | 94% | low |