January Weather in Hamilton City, United States

Last updated: June 24, 2025

In January, the average temperature in Hamilton City, United States hovers around 10°C (50°F), providing a crisp yet welcoming climate. Expect minimums dipping to -2°C (28°F) and maximums reaching up to 26°C (79°F), offering a delightful range for outdoor activities. With 106 mm (4.2 in) of precipitation spread over 8 days, be prepared for occasional showers. Average humidity levels are high at 84%, adding a refreshing touch to the air.

January Temperature in Hamilton City

In January in Hamilton City, the average temperature is 10°C (50°F). Maximums can reach 26°C (79°F), and minimums can be as low as -2°C (28°F). This variety in temperatures makes it essential for travelers to pack both warm and light clothing for their visit.

January Weather in Hamilton City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Hamilton City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamilton City, January typically has an average temperature of 10°C (50°F), with highs reaching up to 26°C (79°F) and lows dropping to around -2°C (28°F).

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

January Precipitation in Hamilton City

In Hamilton City in January, the precipitation amount is 106 mm (4.2 in) over a span of 8 days.

January Precipitation Trends in Hamilton City

The chart displays monthly precipitation patterns in Hamilton City, 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 Hamilton City, January typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Hamilton City

In Hamilton City in January, humidity is 84%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and prompting travelers to seek refuge in cozy, warm cafes or indoor attractions.

January Average Humidity in Hamilton City

This chart illustrates the average monthly humidity levels in Hamilton City, 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 Hamilton City 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 Hamilton City

In Hamilton City 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 Hamilton City, you can check the information here.

Maximum UV Index Levels in Hamilton City for January

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

Data source: Hamilton City 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 Hamilton City Compares to Other Months

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

This table compares monthly weather conditions in Hamilton City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	106 mm (4.2 inches)	84%	moderate
February Weather	12°C (53°F)	114 mm (4.5 inches)	84%	moderate
March Weather	14°C (57°F)	82 mm (3.2 inches)	83%	high
April Weather	18°C (65°F)	36 mm (1.4 inches)	81%	very high
May Weather	23°C (73°F)	31 mm (1.2 inches)	74%	very high
June Weather	28°C (83°F)	4 mm (0.1 inches)	64%	extreme
July Weather	31°C (89°F)	0 mm (0.0 inches)	44%	very high
August Weather	30°C (86°F)	1 mm (0.0 inches)	36%	very high
September Weather	26°C (78°F)	2 mm (0.1 inches)	44%	very high
October Weather	19°C (67°F)	29 mm (1.1 inches)	65%	high
November Weather	13°C (56°F)	51 mm (2.0 inches)	84%	moderate
December Weather	10°C (50°F)	81 mm (3.2 inches)	83%	moderate