Last updated: June 24, 2025
In January, the average temperature in Unionville, United States hovers around -4°C (26°F). Expect chilly extremes, with minimums dipping to -29°C (-21°F) and maximums reaching up to 14°C (58°F). This month, precipitation totals around 51 mm (2.0 in) scattered over approximately 6 days, while the average humidity rests at a brisk 78%. Stay warm and prepare for the frosty days ahead!
In January in Unionville, the average temperature is -4°C (26°F). The maximum can reach 14°C (58°F) and the minimum can be as low as -29°C (-21°F). Be prepared for a wide range of temperatures if you plan to travel during this time.
In Unionville in January, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.
In Unionville in January, humidity is 78%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that seeps into your bones, making traveling outdoors uncomfortable and leaving you yearning for warmth.
In Unionville in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Unionville, you can check the information here.
UV Risk Categories
Weather in Unionville varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Unionville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -4°C (26°F) | 51 mm (2.0 inches) | 78% | moderate |
February Weather | -2°C (28°F) | 50 mm (2.0 inches) | 80% | moderate |
March Weather | 6°C (42°F) | 101 mm (4.0 inches) | 77% | high |
April Weather | 10°C (51°F) | 82 mm (3.2 inches) | 77% | very high |
May Weather | 18°C (64°F) | 155 mm (6.1 inches) | 77% | very high |
June Weather | 24°C (76°F) | 120 mm (4.7 inches) | 81% | extreme |
July Weather | 26°C (79°F) | 96 mm (3.8 inches) | 81% | extreme |
August Weather | 24°C (75°F) | 83 mm (3.3 inches) | 77% | very high |
September Weather | 21°C (70°F) | 120 mm (4.7 inches) | 73% | very high |
October Weather | 12°C (54°F) | 129 mm (5.1 inches) | 75% | high |
November Weather | 5°C (40°F) | 52 mm (2.0 inches) | 85% | moderate |
December Weather | 1°C (34°F) | 35 mm (1.4 inches) | 83% | moderate |