January Weather in Bunker Hill, United States

Last updated: June 24, 2025

In January, the average temperature in Bunker Hill, United States hovers around 8°C (47°F). Temperatures can dip as low as -1°C (30°F) or rise to a pleasant 16°C (62°F). Expect a fair amount of rain, with 192 mm (7.6 in) of precipitation spread over 17 days. The air is notably humid, with an average humidity of 84%.

January Temperature in Bunker Hill

In January in Bunker Hill, the average temperature is 8°C (47°F). The maximum can reach 16°C (62°F), while the minimum can be as low as -1°C (30°F). Be prepared for varying weather conditions when traveling to Bunker Hill during this month.

January Weather in Bunker Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Bunker Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bunker Hill, January typically has an average temperature of 8°C (47°F), with highs reaching up to 16°C (62°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Bunker Hill

In Bunker Hill in January, the total precipitation amount is 192 mm (7.6 in) over the course of 17 days.

January Precipitation Trends in Bunker Hill

The chart displays monthly precipitation patterns in Bunker Hill, 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 Bunker Hill, January typically receives around 192 mm (7.6 inches) of precipitation spread over approximately 17 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 Bunker Hill

In Bunker Hill in January, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

January Average Humidity in Bunker Hill

This chart illustrates the average monthly humidity levels in Bunker Hill, 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 Bunker Hill 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 Bunker Hill

In Bunker Hill in January, 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 Bunker Hill, you can visit Hourly UV Index in Bunker Hill.

Maximum UV Index Levels in Bunker Hill for January

The chart shows the monthly maximum UV Index (UVI) for Bunker Hill 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 Bunker Hill typically reaches 2, which falls under the low exposure category.

Data source: Bunker Hill 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 Bunker Hill Compares to Other Months

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

This table compares monthly weather conditions in Bunker Hill, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	192 mm (7.6 inches)	84%	low
February Weather	7°C (46°F)	220 mm (8.7 inches)	85%	moderate
March Weather	8°C (47°F)	149 mm (5.9 inches)	86%	high
April Weather	10°C (50°F)	118 mm (4.6 inches)	83%	high
May Weather	12°C (54°F)	59 mm (2.3 inches)	83%	very high
June Weather	14°C (58°F)	37 mm (1.4 inches)	83%	very high
July Weather	16°C (60°F)	3 mm (0.1 inches)	78%	very high
August Weather	16°C (61°F)	6 mm (0.2 inches)	67%	very high
September Weather	15°C (60°F)	48 mm (1.9 inches)	66%	very high
October Weather	13°C (55°F)	70 mm (2.7 inches)	77%	moderate
November Weather	10°C (51°F)	150 mm (5.9 inches)	87%	moderate
December Weather	8°C (47°F)	204 mm (8.0 inches)	87%	low