Swarthmore, PA Weather - Forecast & Monthly Averages

TEMPERATURE	46
HUMIDITY	79
PRESSURE	100240
WIND COND.	330 24.1

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Weather Quick Facts

The highest monthly average temperature in Swarthmore for July is 79.2 degrees
The lowest monthly average temperature in Swarthmore for January is 34.4 degrees
The most monthly precipitation in Swarthmore occurs in August with 5.8 inches
The air quality index in Swarthmore is 21% worse than the national average
The pollution index in Swarthmore is 20% better than the national average

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Swarthmore Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	26°F	44°F	34°F	3.3"
February	26°F	46°F	35°F	2.6"
March	33°F	56°F	44°F	3.6"
April	44°F	68°F	56°F	4.0"
May	54°F	77°F	65°F	3.9"
June	64°F	86°F	74°F	4.8"
July	70°F	90°F	79°F	5.0"
August	68°F	87°F	77°F	5.8"
September	61°F	82°F	71°F	4.3"
October	50°F	70°F	59°F	4.7"
November	39°F	59°F	48°F	2.8"
December	31°F	49°F	40°F	4.7"

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Swarthmore air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Swarthmore	Pennsylvania	National
Air quality index	51	45	42
Pollution index	2,169,600	4,584,805	2,726,193

Swarthmore air quality

Measurement	Total
Days measured	365
Days with good air quality	180
Days with moderate air quality	169
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.030%
Carbon Tetrachloride	0.002%
Lead	0.010%
Mercury	0.004%

Average monthly Swarthmore temperature with heat index

Swarthmore monthly precipitation with daily maximum

Swarthmore monthly snow depth with daily maximum

Swarthmore monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Glassboro, NJ	20,069	40	20.0%
Richwood, NJ	3,967	40	20.0%
Exton, PA	6,079	42	16.0%
Wilmington, DE	70,655	51	2.0%
Ardentown, DE	240	51	2.0%
Swarthmore, PA	6,339	51	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Wilmore, KY	6,339	42	16.0%
Braidwood, IL	6,338	0	100.0%
Carrollton, VA	6,340	40	20.0%
Skowhegan, ME	6,341	28	44.0%
Peachland, BC	6,336	n/a
Swarthmore, PA	6,339	51	2.0%

Source: The Swarthmore, PA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.