Last updated: June 24, 2025
In December, the average temperature in Haverhill, United States hovers around -5°C (24°F), with a minimum dipping to a chilly -29°C (-20°F) and a maximum reaching a balmy 14°C (58°F). You can expect 91 mm (3.6 in) of precipitation over approximately 12 days, while the average humidity is a slightly damp 81%. Stay warm and prepared for the conditions!
In December in Haverhill, the average temperature is -5°C (24°F), with maximums potentially reaching 14°C (58°F) and minimums dropping as low as -29°C (-20°F). Travelers should be prepared for extreme cold and varying temperatures during this time.
In Haverhill in December, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.
In Haverhill in December humidity is 81%. With an average temperature of -5°C (24°F), this humidity feels like an icy blanket enveloping you, making breath visible in the air and every step crunch underfoot. The cold moisture adds a biting chill, turning even short excursions into a race to find warmth, while creating a mesmerizing frost on the landscape that can be both beautiful and unforgiving for travelers.
In Haverhill 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 Haverhill, you can visit Hourly UV Index in Haverhill.
UV Risk Categories
Weather in Haverhill varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Haverhill, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 75 mm (3.0 inches) | 86% | low |
| February Weather | -5°C (23°F) | 77 mm (3.0 inches) | 84% | moderate |
| March Weather | -2°C (29°F) | 66 mm (2.6 inches) | 82% | high |
| April Weather | 6°C (42°F) | 114 mm (4.5 inches) | 80% | very high |
| May Weather | 12°C (55°F) | 90 mm (3.5 inches) | 72% | very high |
| June Weather | 18°C (64°F) | 93 mm (3.7 inches) | 72% | very high |
| July Weather | 20°C (69°F) | 123 mm (4.9 inches) | 67% | very high |
| August Weather | 19°C (67°F) | 82 mm (3.2 inches) | 66% | very high |
| September Weather | 15°C (60°F) | 63 mm (2.5 inches) | 71% | high |
| October Weather | 9°C (49°F) | 128 mm (5.1 inches) | 78% | moderate |
| November Weather | 1°C (34°F) | 102 mm (4.0 inches) | 84% | moderate |
| December Weather | -5°C (24°F) | 91 mm (3.6 inches) | 81% | low |