January Weather in Mercerville-Hamilton Square, United States

Last updated: June 24, 2025

In January, the average temperature in Mercerville-Hamilton Square, United States typically hovers around 2°C (35°F). However, temperatures can swing significantly; you may experience a minimum of -17°C (2°F) or reach a maximum of 20°C (68°F). Be prepared for some wet days, as 64 mm (2.5 in) of precipitation is expected over about 8 days, and with an average humidity of 84%, it’s a good idea to pack accordingly!

January Temperature in Mercerville-Hamilton Square

In January in Mercerville-Hamilton Square, the average temperature is 2°C (35°F). Maximum temperatures can reach 20°C (68°F), while the minimum can drop as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures during this time.

January Weather in Mercerville-Hamilton Square: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Mercerville-Hamilton Square, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mercerville-Hamilton Square, January typically has an average temperature of 2°C (35°F), with highs reaching up to 20°C (68°F) and lows dropping to around -17°C (2°F).

Data source: Temperature data for Mercerville-Hamilton Square generated using information from the Copernicus Climate Change Service.

January Precipitation in Mercerville-Hamilton Square

In Mercerville-Hamilton Square in January, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

January Precipitation Trends in Mercerville-Hamilton Square

The chart displays monthly precipitation patterns in Mercerville-Hamilton Square, 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 Mercerville-Hamilton Square, January typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 8 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 Mercerville-Hamilton Square

In Mercerville-Hamilton Square in January, humidity is 84%. With an average temperature of 2°C (35°F), this humidity feels like an uncomfortable chill that penetrates your bones, making outdoor travel quite brisk and uninviting.

January Average Humidity in Mercerville-Hamilton Square

This chart illustrates the average monthly humidity levels in Mercerville-Hamilton Square, 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 Mercerville-Hamilton Square is approximately 84%, 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 Mercerville-Hamilton Square

In Mercerville-Hamilton Square 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 Mercerville-Hamilton Square, you can check the information here.

Maximum UV Index Levels in Mercerville-Hamilton Square for January

The chart shows the monthly maximum UV Index (UVI) for Mercerville-Hamilton Square 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 Mercerville-Hamilton Square typically reaches 3, which falls under the moderate exposure category.

Data source: Mercerville-Hamilton Square 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 Mercerville-Hamilton Square Compares to Other Months

Weather in Mercerville-Hamilton Square varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mercerville-Hamilton Square, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mercerville-Hamilton Square, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	64 mm (2.5 inches)	84%	moderate
February Weather	3°C (38°F)	109 mm (4.3 inches)	82%	moderate
March Weather	6°C (43°F)	109 mm (4.3 inches)	81%	high
April Weather	12°C (54°F)	106 mm (4.2 inches)	78%	very high
May Weather	17°C (63°F)	131 mm (5.1 inches)	69%	very high
June Weather	22°C (73°F)	100 mm (3.9 inches)	69%	very high
July Weather	26°C (78°F)	139 mm (5.5 inches)	62%	very high
August Weather	24°C (76°F)	135 mm (5.3 inches)	65%	very high
September Weather	21°C (70°F)	87 mm (3.4 inches)	68%	very high
October Weather	16°C (61°F)	121 mm (4.8 inches)	74%	high
November Weather	8°C (46°F)	83 mm (3.3 inches)	82%	moderate
December Weather	4°C (39°F)	104 mm (4.1 inches)	80%	low