Last updated: June 24, 2025
The average temperature in Newington, United States during December is a chilly 1°C (34°F). Expect minimums plunging to -21°C (-6°F) and maxing out at a mild 17°C (63°F). With an average precipitation of 120 mm (4.7 in) over about 10 days, it's wise to pack an umbrella. You'll also encounter a high average humidity of 80%, making for a damp and cool atmosphere.
In December in Newington, the average temperature is 1°C (34°F). The maximum can reach 17°C (63°F) and the minimum can be as low as -21°C (-6°F). Be prepared for a wide temperature range when traveling, so pack accordingly!
In Newington in December, the precipitation amount is 120 mm (4.7 in) spread over a duration of 10 days.
In Newington in December, humidity is 80%. With an average temperature of 1°C (34°F), this humidity feels like a damp chill that seeps through your layers, making outdoor activities uncomfortable and potentially discouraging for travelers.
In Newington 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 Newington, you can visit Hourly UV Index in Newington.
UV Risk Categories
Weather in Newington varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Newington, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (31°F) | 67 mm (2.6 inches) | 84% | moderate |
February Weather | 1°C (33°F) | 86 mm (3.4 inches) | 82% | moderate |
March Weather | 4°C (39°F) | 88 mm (3.5 inches) | 81% | high |
April Weather | 9°C (49°F) | 126 mm (5.0 inches) | 78% | very high |
May Weather | 15°C (60°F) | 113 mm (4.4 inches) | 69% | very high |
June Weather | 21°C (69°F) | 84 mm (3.3 inches) | 69% | very high |
July Weather | 24°C (75°F) | 147 mm (5.8 inches) | 62% | very high |
August Weather | 23°C (74°F) | 90 mm (3.5 inches) | 65% | very high |
September Weather | 19°C (67°F) | 102 mm (4.0 inches) | 68% | very high |
October Weather | 13°C (57°F) | 134 mm (5.3 inches) | 74% | high |
November Weather | 6°C (43°F) | 90 mm (3.5 inches) | 82% | moderate |
December Weather | 1°C (34°F) | 120 mm (4.7 inches) | 80% | low |