January Weather in Greensburg, United States

Last updated: June 24, 2025

In January, the average temperature in Greensburg, United States is a brisk 1°C (33°F). Temperatures can swing from a chilly -19°C (-2°F) to a surprisingly warm 21°C (71°F). During this month, expect around 27 mm (1.1 in) of precipitation over approximately 3 days, coupled with an average humidity level of 75%. Stay prepared for a variety of weather conditions!

January Temperature in Greensburg

In January in Greensburg, the average temperature is 1°C (33°F). Maximum temperatures can reach 21°C (71°F) and minimums can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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

The chart illustrates January temperature patterns in Greensburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greensburg, January typically has an average temperature of 1°C (33°F), with highs reaching up to 21°C (71°F) and lows dropping to around -19°C (-2°F).

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

January Precipitation in Greensburg

In Greensburg in January, the total precipitation amount is 27 mm (1.1 in) over the course of 3 days.

January Precipitation Trends in Greensburg

The chart displays monthly precipitation patterns in Greensburg, 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 Greensburg, January typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 3 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 Greensburg

In Greensburg in January, humidity is 75%. With an average temperature of 1°C (33°F), this humidity feels like a damp chill that cuts through clothing, making outdoor activities uncomfortable and necessitating extra layers for warmth.

January Average Humidity in Greensburg

This chart illustrates the average monthly humidity levels in Greensburg, 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 Greensburg is approximately 75%, 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 Greensburg

In Greensburg 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 Greensburg for better planning.

Maximum UV Index Levels in Greensburg for January

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

Data source: Greensburg 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 Greensburg Compares to Other Months

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

This table compares monthly weather conditions in Greensburg, 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)	27 mm (1.1 inches)	75%	moderate
February Weather	1°C (34°F)	18 mm (0.7 inches)	76%	moderate
March Weather	8°C (47°F)	69 mm (2.7 inches)	67%	high
April Weather	12°C (54°F)	53 mm (2.1 inches)	70%	very high
May Weather	18°C (65°F)	160 mm (6.3 inches)	82%	extreme
June Weather	25°C (77°F)	73 mm (2.9 inches)	82%	extreme
July Weather	26°C (80°F)	47 mm (1.9 inches)	81%	extreme
August Weather	25°C (77°F)	62 mm (2.4 inches)	76%	very high
September Weather	22°C (73°F)	49 mm (1.9 inches)	67%	very high
October Weather	14°C (57°F)	85 mm (3.3 inches)	72%	high
November Weather	7°C (45°F)	17 mm (0.7 inches)	80%	moderate
December Weather	3°C (38°F)	32 mm (1.2 inches)	83%	moderate