Last updated: August 27, 2025
In Cosnea, Romania, the average temperature in December hovers around -2°C (29°F). Expect chilly extremes, with minimums plummeting to -23°C (-9°F) and maximums reaching a mild 11°C (52°F). Precipitation during the month totals 59 mm (2.3 in) over about 11 days, contributing to an average humidity of 90%. Prepare for a frosty month ahead!
In December in Cosnea, the average temperature is -2°C (29°F), with maximums reaching 11°C (52°F) and minimums plummeting to -23°C (-9°F). Travelers should be prepared for a wide temperature range and pack accordingly for chilly conditions.
In Cosnea in December, the precipitation amount is 59 mm (2.3 in) over the course of 11 days.
In Cosnea in December, humidity is 90%. With an average temperature of -2°C (29°F), this humidity feels like an icy breath enveloping you, making every step outdoors feel even colder and more biting, while also creating a heavy, wet atmosphere that can dampen your spirits for traveling.
In Cosnea in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Cosnea, you can visit Hourly UV Index in Cosnea.
UV Risk Categories
Weather in Cosnea varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cosnea, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 27 mm (1.1 inches) | 92% | low |
| February Weather | -2°C (28°F) | 45 mm (1.8 inches) | 88% | moderate |
| March Weather | 0°C (33°F) | 51 mm (2.0 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 56 mm (2.2 inches) | 79% | high |
| May Weather | 11°C (52°F) | 110 mm (4.3 inches) | 73% | very high |
| June Weather | 15°C (60°F) | 158 mm (6.2 inches) | 73% | very high |
| July Weather | 17°C (62°F) | 107 mm (4.2 inches) | 68% | very high |
| August Weather | 17°C (63°F) | 91 mm (3.6 inches) | 56% | very high |
| September Weather | 12°C (55°F) | 49 mm (1.9 inches) | 62% | high |
| October Weather | 7°C (46°F) | 40 mm (1.6 inches) | 80% | moderate |
| November Weather | 3°C (37°F) | 33 mm (1.3 inches) | 89% | moderate |
| December Weather | -2°C (29°F) | 59 mm (2.3 inches) | 90% | low |