St. James, MD Weather - Forecast & Monthly Averages

TEMPERATURE	66
HUMIDITY	50
PRESSURE	101970
WIND COND.	280 13

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Weather Quick Facts

The highest monthly average temperature in St. James for July is 76.1 degrees
The lowest monthly average temperature in St. James for February is 30.3 degrees
The most monthly precipitation in St. James occurs in August with 8.4 inches
The air quality index in St. James is 5% better than the national average
The pollution index in St. James is 495% worse than the national average

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St. James 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	27°F	42°F	34°F	3.7"
February	22°F	39°F	30°F	2.4"
March	31°F	51°F	40°F	6.5"
April	41°F	64°F	52°F	5.9"
May	50°F	74°F	62°F	3.6"
June	62°F	84°F	73°F	4.8"
July	65°F	87°F	76°F	6.4"
August	66°F	86°F	75°F	8.4"
September	58°F	81°F	70°F	3.6"
October	50°F	69°F	59°F	5.5"
November	36°F	55°F	45°F	4.8"
December	26°F	40°F	33°F	5.1"

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St. James 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	St. James	Maryland	National
Air quality index	40	43	42
Pollution index	16,230,700	5,342,367	2,726,193

St. James air quality

Measurement	Total
Days measured	362
Days with good air quality	306
Days with moderate air quality	54
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.130%
Carbon Tetrachloride	0.090%
Lead	0.080%
Mercury	0.020%

Average monthly St. James temperature with heat index

St. James monthly precipitation with daily maximum

St. James monthly snow depth with daily maximum

St. James monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Jefferson, MD	2,577	40	20.0%
Dargan, MD	202	40	20.0%
Middletown, MD	4,694	40	20.0%
Trego-Rohrersville Station, MD	101	40	20.0%
Charlton, MD	380	40	20.0%
St. James, MD	3,567	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Copperopolis, CA	3,566	39	22.0%
Beaver Dam, KY	3,566	43	14.0%
Golf Manor, OH	3,566	54	8.0%
Cowichan Valley D, BC	3,569	n/a
Indianola, WA	3,564	45	10.0%
St. James, MD	3,567	40	20.0%

Source: The St. James, MD 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.