St. Leonard, MD Weather - Forecast & Monthly Averages

TEMPERATURE	54
HUMIDITY	71
PRESSURE	102607.57
WIND COND.	20 9.3

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Weather Quick Facts

The highest monthly average temperature in St. Leonard for July is 79.2 degrees
The lowest monthly average temperature in St. Leonard for January is 37.4 degrees
The most monthly precipitation in St. Leonard occurs in October with 6.2 inches
The air quality index in St. Leonard is 3% better than the national average
The pollution index in St. Leonard is 86% better than the national average

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St. Leonard 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	29°F	46°F	37°F	2.6"
February	29°F	48°F	38°F	2.4"
March	37°F	56°F	46°F	3.4"
April	47°F	68°F	57°F	4.0"
May	57°F	75°F	66°F	4.0"
June	66°F	84°F	75°F	4.9"
July	71°F	88°F	79°F	3.9"
August	69°F	86°F	77°F	5.1"
September	63°F	80°F	71°F	4.1"
October	52°F	70°F	61°F	6.2"
November	41°F	59°F	50°F	3.2"
December	33°F	51°F	42°F	3.7"

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St. Leonard 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. Leonard	Maryland	National
Air quality index	41	43	42
Pollution index	384,133	5,342,367	2,726,193

St. Leonard air quality information

Measurement	Total
Days measured	365
Days with good air quality	304
Days with moderate air quality	58
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	0

St. Leonard air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.003%
Mercury	0.000%

Average monthly St. Leonard temperature with heat index

St. Leonard monthly precipitation with daily maximum

St. Leonard monthly snow depth with daily maximum

St. Leonard monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
California, MD	14,730	41	18.0%
Leonardtown, MD	3,795	41	18.0%
Solomons, MD	2,470	41	18.0%
Chesapeake Ranch Estates, MD	9,579	41	18.0%
Long Beach, MD	1,979	41	18.0%
St. Leonard, MD	549	41	18.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Leslie, AR	549	36	28.0%
Smelterville, ID	549	43	14.0%
Terry, MT	549	33	34.0%
Deercroft, NC	549	41	18.0%
Stewartsville, NJ	549	42	16.0%
St. Leonard, MD	549	41	18.0%

Source: The St. Leonard, 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.