Somersworth, NH Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Somersworth for July is 71.4 degrees
The lowest monthly average temperature in Somersworth for January is 25.5 degrees
The most monthly precipitation in Somersworth occurs in June with 4.8 inches
The air quality index in Somersworth is 12% better than the national average
The pollution index in Somersworth is 97% better than the national average

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Somersworth 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	17°F	35°F	26°F	2.3"
February	17°F	36°F	26°F	2.7"
March	25°F	45°F	34°F	3.4"
April	36°F	59°F	47°F	3.6"
May	46°F	70°F	57°F	3.6"
June	54°F	77°F	65°F	4.8"
July	61°F	83°F	71°F	3.9"
August	58°F	81°F	69°F	4.0"
September	52°F	74°F	62°F	3.4"
October	41°F	62°F	51°F	4.5"
November	32°F	50°F	41°F	3.3"
December	23°F	39°F	30°F	3.5"

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Somersworth 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	Somersworth	New Hampshire	National
Air quality index	37	34	42
Pollution index	91,790	3,959,618	2,726,193

Somersworth air quality

Measurement	Total
Days measured	365
Days with good air quality	353
Days with moderate air quality	12
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

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

Average monthly Somersworth temperature with heat index

Somersworth monthly precipitation with daily maximum

Somersworth monthly snow depth with daily maximum

Somersworth monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Berwick, ME	1,985	27	46.0%
Rochester, NH	31,305	27	46.0%
Milton, NH	537	31	38.0%
Farmington, NH	4,140	31	38.0%
Portsmouth, NH	21,418	37	26.0%
Somersworth, NH	12,027	37	26.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Home Gardens, CA	12,027	89	78.0%
Hasbrouck Heights, NJ	12,026	51	2.0%
Green River, WY	12,025	46	8.0%
Rawdon, QC	12,021	n/a
Adjala-Tosorontio, ON	12,021	n/a
Somersworth, NH	12,027	37	26.0%

Source: The Somersworth, 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.