Last updated: August 23, 2025
In Rietavas, Lithuania, the average temperature in December hovers around 0°C (32°F). While chilly, it can drop as low as -19°C (-2°F) at times, with a maximum reaching 9°C (49°F). Expect about 60 mm (2.3 in) of precipitation spread over 13 days, contributing to a notably high average humidity of 92%. Stay prepared for a damp and frosty atmosphere!
In December in Rietavas, the average temperature is 0°C (32°F). Maximums can reach 9°C (49°F), and minimums can be as low as -19°C (-2°F). It’s advisable to pack warm clothing if you plan to travel during this time.
In Rietavas in December, the precipitation amount is 60 mm (2.3 in) during 13 days, indicating a relatively wet period for that time of year.
In Rietavas in December, humidity is 92%. With an average temperature of 0°C (32°F), this humidity feels like a heavy blanket enveloping you as you travel, making every step feel sluggish and the air thick with moisture, which can be both invigorating and exhausting at the same time.
In Rietavas 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 Rietavas.
UV Risk Categories
Weather in Rietavas varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rietavas, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 57 mm (2.3 inches) | 91% | low |
| February Weather | -1°C (30°F) | 48 mm (1.9 inches) | 90% | low |
| March Weather | 1°C (35°F) | 56 mm (2.2 inches) | 89% | moderate |
| April Weather | 6°C (43°F) | 39 mm (1.6 inches) | 85% | moderate |
| May Weather | 11°C (53°F) | 58 mm (2.3 inches) | 74% | high |
| June Weather | 17°C (63°F) | 56 mm (2.2 inches) | 75% | high |
| July Weather | 18°C (64°F) | 101 mm (4.0 inches) | 76% | high |
| August Weather | 17°C (63°F) | 90 mm (3.5 inches) | 76% | high |
| September Weather | 13°C (56°F) | 71 mm (2.8 inches) | 81% | moderate |
| October Weather | 9°C (48°F) | 89 mm (3.5 inches) | 89% | moderate |
| November Weather | 4°C (40°F) | 65 mm (2.5 inches) | 91% | low |
| December Weather | 0°C (32°F) | 60 mm (2.3 inches) | 92% | low |