Last updated: June 24, 2025
In December, the average temperature in Harrisville, United States hovers at a chilly 0°C (32°F). Expect minimums reaching -14°C (8°F) and maximums of up to 12°C (55°F). With an average humidity of 89%, this month also brings 73 mm (2.9 in) of precipitation over about 14 days. Be prepared for a damp, cold atmosphere!
In December in Harrisville, the average temperature is 0°C (32°F). Maximums can reach 12°C (55°F), while minimums can drop as low as -14°C (8°F). Be prepared for chilly weather and pack accordingly if you're planning to visit!
In Harrisville in December, the total precipitation amount is 73 mm (2.9 in) over the course of 14 days.
In Harrisville in December humidity is 89%. With an average temperature of 0°C (32°F), this humidity feels like a chilly embrace that makes every breath feel heavy and damp, turning your travel experience into a constant dance with the cold and moisture in the air, leaving you longing for warmth and comfort at every turn.
In Harrisville 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 Harrisville, you can visit Hourly UV Index in Harrisville.
UV Risk Categories
Weather in Harrisville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Harrisville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 60 mm (2.4 inches) | 92% | low |
| February Weather | -4°C (26°F) | 66 mm (2.6 inches) | 91% | moderate |
| March Weather | -1°C (31°F) | 70 mm (2.8 inches) | 87% | moderate |
| April Weather | 2°C (36°F) | 95 mm (3.7 inches) | 85% | very high |
| May Weather | 7°C (44°F) | 82 mm (3.2 inches) | 79% | very high |
| June Weather | 13°C (56°F) | 89 mm (3.5 inches) | 75% | very high |
| July Weather | 19°C (66°F) | 68 mm (2.7 inches) | 75% | very high |
| August Weather | 20°C (68°F) | 68 mm (2.7 inches) | 75% | very high |
| September Weather | 17°C (63°F) | 81 mm (3.2 inches) | 79% | high |
| October Weather | 11°C (53°F) | 120 mm (4.7 inches) | 85% | moderate |
| November Weather | 4°C (39°F) | 79 mm (3.1 inches) | 88% | moderate |
| December Weather | 0°C (32°F) | 73 mm (2.9 inches) | 89% | low |