Charlestown, NH Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Charlestown for July is 69.8 degrees
The lowest monthly average temperature in Charlestown for January is 21.9 degrees
The most monthly precipitation in Charlestown occurs in October with 5.3 inches
The air quality index in Charlestown is 19% better than the national average
The pollution index in Charlestown is 32% better than the national average

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Charlestown 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	13°F	32°F	22°F	2.7"
February	14°F	34°F	23°F	2.6"
March	22°F	43°F	32°F	2.6"
April	33°F	58°F	45°F	3.4"
May	45°F	71°F	57°F	4.3"
June	53°F	77°F	64°F	4.9"
July	58°F	83°F	70°F	4.4"
August	56°F	80°F	67°F	4.0"
September	49°F	74°F	60°F	3.4"
October	39°F	61°F	49°F	5.3"
November	28°F	48°F	37°F	2.7"
December	20°F	37°F	28°F	3.7"

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Charlestown 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	Charlestown	New Hampshire	National
Air quality index	34	34	42
Pollution index	1,843,420	3,959,618	2,726,193

Charlestown air quality

Measurement	Total
Days measured	365
Days with good air quality	348
Days with moderate air quality	17
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.030%
Carbon Tetrachloride	0.002%
Lead	0.000%
Mercury	0.001%

Average monthly Charlestown temperature with heat index

Charlestown monthly precipitation with daily maximum

Charlestown monthly snow depth with daily maximum

Charlestown monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Bellows Falls, VT	2,908	34	32.0%
Claremont, NH	12,969	34	32.0%
Chester, VT	1,023	34	32.0%
North Westminster, VT	87	34	32.0%
Newport, NH	5,530	34	32.0%
Charlestown, NH	933	34	32.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Mi-Wuk Village, CA	933	39	22.0%
Woods Hole, MA	933	36	28.0%
Grawn, MI	933	36	28.0%
Salem, NY	933	35	30.0%
Brady Lake, OH	933	43	14.0%
Charlestown, NH	933	34	32.0%

Source: The Charlestown, NH 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.