Last updated: August 23, 2025
In December, the average temperature in Haljala, Estonia hovers around -1°C (31°F). Expect chilly days, with minimum temperatures plummeting to -19°C (-2°F) and peaks reaching a mild 7°C (46°F). With an average precipitation of 61 mm (2.4 in) spread across 16 days, this month is quite damp, complemented by a high average humidity of 93%. Be sure to bundle up and prepare for a mix of frosty air and rainy spells!
In December in Haljala, the average temperature is -1°C (31°F), with maximums reaching 7°C (46°F) and minimums dropping to as low as -19°C (-2°F). Be sure to pack warm clothing and prepare for fluctuating temperatures if you plan to visit during this time.
In Haljala in December, the total precipitation amount is 61 mm (2.4 in), occurring over the course of 16 days.
In Haljala in December, humidity is 93%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold air clings to your skin and dampens any warmth you might find.
In Haljala 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 Haljala.
UV Risk Categories
Weather in Haljala varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Haljala, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 43 mm (1.7 inches) | 95% | low |
| February Weather | -3°C (27°F) | 47 mm (1.9 inches) | 93% | low |
| March Weather | 0°C (32°F) | 47 mm (1.8 inches) | 90% | moderate |
| April Weather | 4°C (39°F) | 47 mm (1.9 inches) | 87% | moderate |
| May Weather | 9°C (49°F) | 54 mm (2.1 inches) | 73% | moderate |
| June Weather | 16°C (60°F) | 56 mm (2.2 inches) | 77% | high |
| July Weather | 18°C (64°F) | 72 mm (2.8 inches) | 80% | high |
| August Weather | 16°C (62°F) | 97 mm (3.8 inches) | 84% | high |
| September Weather | 12°C (55°F) | 79 mm (3.1 inches) | 89% | moderate |
| October Weather | 8°C (46°F) | 95 mm (3.7 inches) | 92% | low |
| November Weather | 3°C (38°F) | 59 mm (2.3 inches) | 93% | low |
| December Weather | -1°C (31°F) | 61 mm (2.4 inches) | 93% | low |