January Weather in Macungie, United States

Last updated: June 24, 2025

In January in Macungie, United States, the average temperature hovers around 1°C (33°F), while extremes can dip to a chilly -19°C (-2°F) or rise to a pleasant 18°C (65°F). Expect about 69 mm (2.7 in) of precipitation spread across 8 days, contributing to an average humidity of 87% which keeps the air feeling crisp and fresh.

January Temperature in Macungie

In January in Macungie, the average temperature is 1°C (33°F). The maximum can reach 18°C (65°F), while the minimum can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates January temperature patterns in Macungie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macungie, January typically has an average temperature of 1°C (33°F), with highs reaching up to 18°C (65°F) and lows dropping to around -19°C (-2°F).

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

January Precipitation in Macungie

In Macungie in January, the precipitation amount is 69 mm (2.7 in) that falls over a period of 8 days.

January Precipitation Trends in Macungie

The chart displays monthly precipitation patterns in Macungie, 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 Macungie, January typically receives around 69 mm (2.7 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 Macungie

In Macungie in January, humidity is 87%. With an average temperature of 1°C (33°F), this humidity feels like a chilling blanket, making traveling uncomfortable as the cold air clings to your skin, amplifying the frosty bite and dampness that can quickly lead to a sense of unease.

January Average Humidity in Macungie

This chart illustrates the average monthly humidity levels in Macungie, 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 Macungie is approximately 87%, 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 Macungie

In Macungie 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 Macungie, you can check the information here.

Maximum UV Index Levels in Macungie for January

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

Data source: Macungie 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 Macungie Compares to Other Months

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

This table compares monthly weather conditions in Macungie, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	69 mm (2.7 inches)	87%	moderate
February Weather	2°C (36°F)	107 mm (4.2 inches)	85%	moderate
March Weather	5°C (42°F)	102 mm (4.0 inches)	85%	high
April Weather	11°C (52°F)	106 mm (4.2 inches)	83%	very high
May Weather	17°C (63°F)	140 mm (5.5 inches)	75%	very high
June Weather	22°C (72°F)	102 mm (4.0 inches)	73%	very high
July Weather	25°C (77°F)	136 mm (5.4 inches)	65%	very high
August Weather	24°C (75°F)	146 mm (5.8 inches)	62%	very high
September Weather	20°C (69°F)	100 mm (3.9 inches)	66%	very high
October Weather	15°C (59°F)	106 mm (4.2 inches)	79%	high
November Weather	7°C (44°F)	88 mm (3.5 inches)	87%	moderate
December Weather	3°C (37°F)	103 mm (4.1 inches)	85%	low