Last updated: August 23, 2025
In Rongu, Estonia, the average temperature in December hovers around -1°C (30°F). Daily temperatures can range from a chilly -24°C (-11°F) to a milder 9°C (48°F). Expect 52 mm (2.1 in) of precipitation spread over about 13 days, contributing to an average humidity of 93%. Prepare for a cold and damp month!
In December in Rongu, the average temperature is -1°C (30°F). Maximums can reach 9°C (48°F) and minimums can be as low as -24°C (-11°F). Travelers should prepare for cold conditions and be ready for significant temperature fluctuations.
In Rongu in December, the precipitation amount is 52 mm (2.1 in) spread over 13 days.
In Rongu in December humidity is 93%. With average temperature -1°C (30°F), this humidity feels like an icy blanket wrapping around you, making every step outside a challenge for travelers. The damp chill seeps into your bones, and even a short stroll can feel exhausting when the air clings closely, creating an almost surreal experience that dampens spirits and slows down every adventure.
In Rongu 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 Rongu.
UV Risk Categories
Weather in Rongu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rongu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 37 mm (1.4 inches) | 95% | low |
| February Weather | -3°C (27°F) | 43 mm (1.7 inches) | 93% | low |
| March Weather | 0°C (33°F) | 47 mm (1.9 inches) | 90% | moderate |
| April Weather | 5°C (42°F) | 48 mm (1.9 inches) | 87% | moderate |
| May Weather | 11°C (52°F) | 53 mm (2.1 inches) | 73% | moderate |
| June Weather | 17°C (63°F) | 66 mm (2.6 inches) | 77% | high |
| July Weather | 18°C (65°F) | 71 mm (2.8 inches) | 80% | high |
| August Weather | 17°C (62°F) | 85 mm (3.3 inches) | 84% | high |
| September Weather | 13°C (55°F) | 67 mm (2.6 inches) | 89% | moderate |
| October Weather | 7°C (46°F) | 75 mm (3.0 inches) | 92% | low |
| November Weather | 3°C (38°F) | 55 mm (2.2 inches) | 93% | low |
| December Weather | -1°C (30°F) | 52 mm (2.1 inches) | 93% | low |