Last updated: August 27, 2025
In December, the average temperature in Isaccea, Romania is a cool 3°C (38°F), with temperatures ranging from a brisk -8°C (17°F) to a mild 15°C (60°F). Expect about 53 mm (2.1 in) of precipitation spread across 9 days, contributing to a high average humidity of 86%. Prepare accordingly for this chilly and wet month!
In December in Isaccea, the average temperature is 3°C (38°F), with a maximum reaching 15°C (60°F) and a minimum dipping as low as -8°C (17°F). Be sure to pack warm clothing and be prepared for chilly weather if you're planning to visit during this time.
In Isaccea in December, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.
In Isaccea in December humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.
In Isaccea 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 Isaccea, you can visit Hourly UV Index in Isaccea.
UV Risk Categories
Weather in Isaccea varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Isaccea, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 34 mm (1.3 inches) | 87% | low |
| February Weather | 3°C (37°F) | 36 mm (1.4 inches) | 83% | moderate |
| March Weather | 6°C (43°F) | 42 mm (1.6 inches) | 80% | moderate |
| April Weather | 11°C (52°F) | 38 mm (1.5 inches) | 76% | high |
| May Weather | 17°C (63°F) | 51 mm (2.0 inches) | 73% | very high |
| June Weather | 22°C (72°F) | 86 mm (3.4 inches) | 68% | very high |
| July Weather | 24°C (75°F) | 59 mm (2.3 inches) | 65% | very high |
| August Weather | 24°C (76°F) | 19 mm (0.7 inches) | 53% | very high |
| September Weather | 19°C (67°F) | 24 mm (0.9 inches) | 61% | high |
| October Weather | 13°C (56°F) | 48 mm (1.9 inches) | 77% | moderate |
| November Weather | 8°C (46°F) | 32 mm (1.2 inches) | 85% | moderate |
| December Weather | 3°C (38°F) | 53 mm (2.1 inches) | 86% | low |