Last updated: August 23, 2025
In December, the average temperature in Alahaermae, Finland hovers around -3°C (27°F). Temperatures can dip as low as -25°C (-12°F), while the warmest days reach up to 6°C (42°F). During this time, you can expect 46 mm (1.8 in) of precipitation spread over 12 days, with an average humidity of a staggering 95%, making for a chilly and damp atmosphere.
In December in Alahaermae, the average temperature is -3°C (27°F). The maximum can reach 6°C (42°F), and the minimum can be as low as -25°C (-12°F). Travelers should be prepared for significant temperature fluctuations and dress warmly.
In Alahaermae in December, the total precipitation amount is 46 mm (1.8 in) spread over the course of 12 days.
In Alahaermae in December, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.
In Alahaermae 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 Alahaermae.
UV Risk Categories
Weather in Alahaermae varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Alahaermae, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 37 mm (1.4 inches) | 97% | low |
| February Weather | -6°C (22°F) | 40 mm (1.6 inches) | 95% | low |
| March Weather | -2°C (29°F) | 42 mm (1.6 inches) | 92% | low |
| April Weather | 3°C (37°F) | 44 mm (1.8 inches) | 85% | moderate |
| May Weather | 9°C (48°F) | 56 mm (2.2 inches) | 77% | moderate |
| June Weather | 15°C (60°F) | 60 mm (2.4 inches) | 74% | high |
| July Weather | 17°C (63°F) | 69 mm (2.7 inches) | 79% | high |
| August Weather | 15°C (59°F) | 96 mm (3.8 inches) | 82% | moderate |
| September Weather | 10°C (51°F) | 71 mm (2.8 inches) | 89% | moderate |
| October Weather | 5°C (41°F) | 86 mm (3.4 inches) | 93% | low |
| November Weather | 1°C (34°F) | 58 mm (2.3 inches) | 93% | low |
| December Weather | -3°C (27°F) | 46 mm (1.8 inches) | 95% | low |