Jarrettsville, MD Weather - Forecast & Monthly Averages

TEMPERATURE	45
HUMIDITY	76
PRESSURE	102030
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Jarrettsville for July is 80 degrees
The lowest monthly average temperature in Jarrettsville for January is 34.7 degrees
The most monthly precipitation in Jarrettsville occurs in May with 8.1 inches
The air quality index in Jarrettsville is 9% worse than the national average
The pollution index in Jarrettsville is 260% worse than the national average

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Jarrettsville 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	41°F	35°F	2.2"
February	28°F	45°F	37°F	1.4"
March	36°F	54°F	45°F	4.8"
April	46°F	65°F	56°F	1.6"
May	55°F	73°F	65°F	8.1"
June	64°F	82°F	75°F	3.0"
July	70°F	87°F	80°F	0.5"
August	67°F	84°F	76°F	1.1"
September	61°F	78°F	70°F	1.7"
October	50°F	68°F	59°F	7.1"
November	39°F	57°F	48°F	2.9"
December	33°F	47°F	40°F	4.4"

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Jarrettsville 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	Jarrettsville	Maryland	National
Air quality index	46	43	42
Pollution index	9,823,920	5,342,367	2,726,193

Jarrettsville air quality information

Measurement	Total
Days measured	365
Days with good air quality	223
Days with moderate air quality	129
Days w/ poor A.Q. for sensitive groups	13
Days with unhealthy air quality	0

Jarrettsville air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.070%
Carbon Tetrachloride	0.050%
Lead	0.030%
Mercury	0.140%

Average monthly Jarrettsville temperature with heat index

Jarrettsville monthly precipitation with daily maximum

Jarrettsville monthly snow depth with daily maximum

Jarrettsville monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Glen Rock, PA	2,332	41	18.0%
Stewartstown, PA	1,751	41	18.0%
New Freedom, PA	4,691	41	18.0%
Railroad, PA	321	41	18.0%
Fawn Grove, PA	462	41	18.0%
Jarrettsville, MD	2,827	46	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Holualoa, HI	2,827	16	68.0%
Kings Beach, CA	2,826	44	12.0%
Granville, WV	2,828	36	28.0%
Villano Beach, FL	2,829	31	38.0%
Sheridan, IL	2,829	0	100.0%
Jarrettsville, MD	2,827	46	8.0%

Source: The Jarrettsville, 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.