January Weather in Lake Mack-Forest Hills, United States

Last updated: June 24, 2025

In January, the average temperature in Lake Mack-Forest Hills, United States hovers around 15°C (60°F), with minimums dipping to -3°C (26°F) and soaring maximums reaching 29°C (85°F). Expect about 46 mm (1.8 in) of precipitation over 4 days, paired with an average humidity of 83%, creating a refreshing yet humid atmosphere.

January Temperature in Lake Mack-Forest Hills

In January in Lake Mack-Forest Hills, the average temperature is 15°C (60°F). The maximum can reach 29°C (85°F), and the minimum can be as low as -3°C (26°F). This range makes it essential to pack both light and warm clothing for a comfortable travel experience.

January Weather in Lake Mack-Forest Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Lake Mack-Forest Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Mack-Forest Hills, January typically has an average temperature of 15°C (60°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (26°F).

Data source: Temperature data for Lake Mack-Forest Hills generated using information from the Copernicus Climate Change Service.

January Precipitation in Lake Mack-Forest Hills

In Lake Mack-Forest Hills in January, the precipitation amount is 46 mm (1.8 in) over the course of 4 days.

January Precipitation Trends in Lake Mack-Forest Hills

The chart displays monthly precipitation patterns in Lake Mack-Forest Hills, 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 Lake Mack-Forest Hills, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 4 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 Lake Mack-Forest Hills

In Lake Mack-Forest Hills in January humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.

January Average Humidity in Lake Mack-Forest Hills

This chart illustrates the average monthly humidity levels in Lake Mack-Forest Hills, 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 Lake Mack-Forest Hills is approximately 83%, 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 Lake Mack-Forest Hills

In Lake Mack-Forest Hills in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Lake Mack-Forest Hills.

Maximum UV Index Levels in Lake Mack-Forest Hills for January

The chart shows the monthly maximum UV Index (UVI) for Lake Mack-Forest Hills 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 Lake Mack-Forest Hills typically reaches 5, which falls under the moderate exposure category.

Data source: Lake Mack-Forest Hills 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 Lake Mack-Forest Hills Compares to Other Months

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

This table compares monthly weather conditions in Lake Mack-Forest Hills, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	46 mm (1.8 inches)	83%	moderate
February Weather	18°C (66°F)	57 mm (2.2 inches)	80%	very high
March Weather	20°C (67°F)	25 mm (1.0 inches)	75%	very high
April Weather	22°C (72°F)	78 mm (3.1 inches)	70%	extreme
May Weather	25°C (77°F)	98 mm (3.9 inches)	68%	extreme
June Weather	27°C (80°F)	197 mm (7.7 inches)	75%	extreme
July Weather	27°C (81°F)	224 mm (8.8 inches)	79%	extreme
August Weather	28°C (82°F)	207 mm (8.2 inches)	81%	extreme
September Weather	27°C (81°F)	157 mm (6.2 inches)	83%	extreme
October Weather	25°C (77°F)	88 mm (3.5 inches)	81%	very high
November Weather	20°C (68°F)	57 mm (2.2 inches)	82%	high
December Weather	17°C (63°F)	67 mm (2.7 inches)	84%	moderate