January Weather in Pittsburg, United States

Last updated: June 24, 2025

In Pittsburg, United States, the average temperature in January hovers around 8°C (47°F), offering a brisk backdrop for the season. Expect temperatures to range from a chilly -13°C (8°F) to a pleasant 25°C (77°F). During this month, you can anticipate 106 mm (4.2 in) of precipitation spread over approximately 9 days, contributing to an average humidity level of 80%—perfect for cozying up indoors!

January Temperature in Pittsburg

In January in Pittsburg, the average temperature is 8°C (47°F). Maximum temperatures can reach 25°C (77°F), while minimum temperatures can drop as low as -13°C (8°F). It's essential to be prepared for a wide range of weather conditions when traveling during this time.

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

The chart illustrates January temperature patterns in Pittsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pittsburg, January typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (77°F) and lows dropping to around -13°C (8°F).

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

January Precipitation in Pittsburg

In Pittsburg in January, the total precipitation amount is 106 mm (4.2 in), spread over the course of 9 days.

January Precipitation Trends in Pittsburg

The chart displays monthly precipitation patterns in Pittsburg, 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 Pittsburg, January typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 9 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 Pittsburg

In Pittsburg in January, humidity is 80%. With an average temperature of 8°C (47°F), this humidity feels like you're walking through a heavy mist, making your clothes cling to your skin and every step prone to a shiver, which can be quite uncomfortable for traveling.

January Average Humidity in Pittsburg

This chart illustrates the average monthly humidity levels in Pittsburg, 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 Pittsburg is approximately 80%, 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 Pittsburg

In Pittsburg 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 Pittsburg for better planning.

Maximum UV Index Levels in Pittsburg for January

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

Data source: Pittsburg 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 Pittsburg Compares to Other Months

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

This table compares monthly weather conditions in Pittsburg, 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)	106 mm (4.2 inches)	80%	moderate
February Weather	10°C (50°F)	147 mm (5.8 inches)	79%	high
March Weather	15°C (60°F)	131 mm (5.2 inches)	78%	very high
April Weather	18°C (64°F)	173 mm (6.8 inches)	78%	very high
May Weather	23°C (74°F)	160 mm (6.3 inches)	81%	extreme
June Weather	27°C (80°F)	97 mm (3.8 inches)	78%	extreme
July Weather	29°C (84°F)	79 mm (3.1 inches)	73%	extreme
August Weather	29°C (84°F)	80 mm (3.1 inches)	66%	extreme
September Weather	26°C (79°F)	96 mm (3.8 inches)	65%	very high
October Weather	20°C (68°F)	120 mm (4.7 inches)	72%	very high
November Weather	13°C (56°F)	70 mm (2.8 inches)	82%	high
December Weather	11°C (52°F)	116 mm (4.6 inches)	87%	moderate