Columbia, Pennsylvania Weather

The most pleasant months of the year for Columbia borough are September, June and May. In Columbia borough, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Columbia borough with an average high temperature of 85.3°, which ranks it as warmer than most places in Pennsylvania. February is the snowiest month in Columbia borough with 7.4 inches of snow, and 4 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 21
Rain: averages 43 inches of rain a year
Snow: averages 20 inches of snow a year

BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Columbia area is 8.7 (10=best), which means it is more comfortable than most places in Pennsylvania.

8.7 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

Average Monthly High and Low (°F)

	High	Low
January	38°	21°
February	41°	23°
March	51°	31°
April	63°	40°
May	73°	50°
June	82°	59°
July	85°	63°
August	84°	62°
September	76°	54°
October	65°	43°
November	54°	34°
December	42°	26°

Hot, Freezing, Rainy, Snowy Days: Columbia

	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0	27	10	4
February	0	24	9	3
March	0	18	10	1
April	0	5	11	0
May	1	0	13	0
June	3	0	11	0
July	6	0	11	0
August	4	0	9	0
September	1	0	9	0
October	0	3	9	0
November	0	13	10	0
December	0	24	10	2

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.