January Weather in Unionville, United States

Last updated: June 24, 2025

In Unionville, United States, the average temperature in January hovers around 7°C (45°F). You can expect a wide range, with minimums dipping to -12°C (11°F) and maximums reaching 25°C (78°F). This period sees an average precipitation of 95 mm (3.7 in) spread over 9 days, contributing to a high average humidity of 86%.

January Temperature in Unionville

In January in Unionville, the average temperature is 7°C (45°F). Maximum temperatures can reach 25°C (78°F), while minimums can drop as low as -12°C (11°F). Travelers should be prepared for a wide range of temperatures during their stay.

January Weather in Unionville: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Unionville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unionville, January typically has an average temperature of 7°C (45°F), with highs reaching up to 25°C (78°F) and lows dropping to around -12°C (11°F).

Data source: Temperature data for Unionville generated using information from the Copernicus Climate Change Service.

January Precipitation in Unionville

In Unionville in January, the precipitation amount is 95 mm (3.7 in) over the course of 9 days.

January Precipitation Trends in Unionville

The chart displays monthly precipitation patterns in Unionville, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Unionville, January typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Unionville

In Unionville in January, humidity is 86%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.

January Average Humidity in Unionville

This chart illustrates the average monthly humidity levels in Unionville, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Unionville is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Unionville

In Unionville in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Unionville for better planning.

Maximum UV Index Levels in Unionville for January

The chart shows the monthly maximum UV Index (UVI) for Unionville in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Unionville typically reaches 4, which falls under the moderate exposure category.

Data source: Unionville January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Unionville Compares to Other Months

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.

This table compares monthly weather conditions in Unionville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	95 mm (3.7 inches)	86%	moderate
February Weather	10°C (50°F)	121 mm (4.8 inches)	85%	high
March Weather	12°C (55°F)	87 mm (3.4 inches)	84%	very high
April Weather	17°C (63°F)	105 mm (4.1 inches)	82%	very high
May Weather	22°C (72°F)	118 mm (4.6 inches)	83%	very high
June Weather	25°C (77°F)	103 mm (4.0 inches)	82%	extreme
July Weather	27°C (80°F)	119 mm (4.7 inches)	80%	extreme
August Weather	26°C (79°F)	123 mm (4.9 inches)	74%	very high
September Weather	24°C (75°F)	149 mm (5.9 inches)	75%	very high
October Weather	19°C (66°F)	80 mm (3.1 inches)	79%	very high
November Weather	11°C (52°F)	87 mm (3.4 inches)	87%	moderate
December Weather	9°C (48°F)	125 mm (4.9 inches)	87%	moderate