Last updated: August 23, 2025
In December, the average temperature in Risti, Estonia hovers around 1°C (34°F). You'll experience a range from a chilly -14°C (6°F) to a milder 8°C (46°F). With a precipitation amount of 61 mm (2.4 in) over about 15 days, be prepared for some wet weather. Keep in mind that the average humidity is a high 90%, contributing to the crisp, cool atmosphere of this month!
In December in Risti, the average temperature is 1°C (34°F), with maximums reaching up to 8°C (46°F) and minimums dropping as low as -14°C (6°F). Travelers should prepare for cold conditions and dress warmly if visiting during this time.
In Risti in December, the precipitation amount is 61 mm (2.4 in) over the course of 15 days.
In Risti in December, humidity is 90%. With an average temperature of 1°C (34°F), this humidity feels like you're wrapped in a cold, damp blanket, making travel uncomfortable and requiring extra layers to combat the chill.
In Risti 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 Risti.
UV Risk Categories
Weather in Risti varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Risti, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 46 mm (1.8 inches) | 92% | low |
| February Weather | -2°C (29°F) | 49 mm (1.9 inches) | 91% | low |
| March Weather | 0°C (33°F) | 54 mm (2.1 inches) | 90% | moderate |
| April Weather | 5°C (41°F) | 37 mm (1.5 inches) | 87% | moderate |
| May Weather | 10°C (51°F) | 40 mm (1.6 inches) | 76% | moderate |
| June Weather | 16°C (61°F) | 57 mm (2.3 inches) | 80% | high |
| July Weather | 18°C (65°F) | 83 mm (3.3 inches) | 80% | high |
| August Weather | 18°C (64°F) | 99 mm (3.9 inches) | 83% | high |
| September Weather | 14°C (57°F) | 85 mm (3.3 inches) | 87% | moderate |
| October Weather | 9°C (49°F) | 109 mm (4.3 inches) | 90% | low |
| November Weather | 5°C (42°F) | 75 mm (2.9 inches) | 91% | low |
| December Weather | 1°C (34°F) | 61 mm (2.4 inches) | 90% | low |