Last updated: August 27, 2025
In December, the average temperature in Blaj, Romania hovers around 2°C (36°F), creating a chilly atmosphere. With minimums dipping to -12°C (12°F) and highs reaching 14°C (58°F), the weather can be quite variable. Expect 50 mm (2.0 in) of precipitation spread over 10 days, contributing to an average humidity of a crisp 92%. Stay prepared for brisk days and potential showers!
In December in Blaj, the average temperature is 2°C (36°F). The maximum can reach 14°C (58°F), while the minimum can drop as low as -12°C (12°F). Travelers should be prepared for a mix of chilly days and potential warmth, making layered clothing essential for enjoying all that Blaj has to offer.
In Blaj in December, the precipitation amount is 50 mm (2.0 in) over a span of 10 days.
In Blaj in December humidity is 92%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.
In Blaj 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 Blaj, you can visit Hourly UV Index in Blaj.
UV Risk Categories
Weather in Blaj varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Blaj, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 25 mm (1.0 inches) | 93% | low |
| February Weather | 3°C (37°F) | 33 mm (1.3 inches) | 88% | moderate |
| March Weather | 6°C (43°F) | 45 mm (1.8 inches) | 86% | moderate |
| April Weather | 12°C (53°F) | 43 mm (1.7 inches) | 79% | high |
| May Weather | 16°C (62°F) | 84 mm (3.3 inches) | 71% | very high |
| June Weather | 21°C (70°F) | 99 mm (3.9 inches) | 71% | very high |
| July Weather | 22°C (72°F) | 76 mm (3.0 inches) | 64% | very high |
| August Weather | 23°C (74°F) | 39 mm (1.5 inches) | 55% | very high |
| September Weather | 18°C (64°F) | 36 mm (1.4 inches) | 64% | high |
| October Weather | 12°C (53°F) | 38 mm (1.5 inches) | 83% | moderate |
| November Weather | 6°C (43°F) | 27 mm (1.0 inches) | 91% | moderate |
| December Weather | 2°C (36°F) | 50 mm (2.0 inches) | 92% | low |