January Weather in Carnegie, United States

Last updated: June 24, 2025

In January, the average temperature in Carnegie, United States is a brisk 4°C (40°F), with temperatures ranging from a chilly -16°C (4°F) to a pleasant 24°C (76°F). Expect about 39 mm (1.5 in) of precipitation over 4 days, and prepare for a relatively humid atmosphere with an average humidity of 76%.

January Temperature in Carnegie

In January in Carnegie, the average temperature is 4°C (40°F). The maximum can reach 24°C (76°F), while the minimum can be as low as -16°C (4°F). Be prepared for a wide range of temperatures, making it essential to pack both warm clothing and lighter layers for your travels.

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

The chart illustrates January temperature patterns in Carnegie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carnegie, January typically has an average temperature of 4°C (40°F), with highs reaching up to 24°C (76°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Carnegie

In Carnegie in January, the precipitation amount is 39 mm (1.5 in) spread over a period of 4 days.

January Precipitation Trends in Carnegie

The chart displays monthly precipitation patterns in Carnegie, 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 Carnegie, January typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 4 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 Carnegie

In Carnegie in January humidity is 76%. With an average temperature of 4°C (40°F), this humidity feels like a chilly embrace, making travel feel damp and slightly clammy, as the cool air clings to your skin, requiring extra layers to stay comfortable while experiencing the sights.

January Average Humidity in Carnegie

This chart illustrates the average monthly humidity levels in Carnegie, 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 Carnegie is approximately 76%, 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 Carnegie

In Carnegie in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Carnegie for better planning.

Maximum UV Index Levels in Carnegie for January

The chart shows the monthly maximum UV Index (UVI) for Carnegie 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 Carnegie typically reaches 4, which falls under the moderate exposure category.

Data source: Carnegie 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 Carnegie Compares to Other Months

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

This table compares monthly weather conditions in Carnegie, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	39 mm (1.5 inches)	76%	moderate
February Weather	5°C (41°F)	35 mm (1.4 inches)	76%	high
March Weather	12°C (54°F)	69 mm (2.7 inches)	70%	very high
April Weather	16°C (60°F)	101 mm (4.0 inches)	72%	very high
May Weather	21°C (70°F)	142 mm (5.6 inches)	82%	extreme
June Weather	26°C (80°F)	63 mm (2.5 inches)	82%	extreme
July Weather	29°C (84°F)	37 mm (1.4 inches)	80%	extreme
August Weather	28°C (82°F)	47 mm (1.8 inches)	72%	extreme
September Weather	24°C (76°F)	92 mm (3.6 inches)	64%	very high
October Weather	17°C (62°F)	87 mm (3.4 inches)	71%	high
November Weather	10°C (50°F)	22 mm (0.9 inches)	81%	moderate
December Weather	7°C (44°F)	31 mm (1.2 inches)	84%	moderate