Watertown, MN Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Watertown for July is 72.9 degrees
The lowest monthly average temperature in Watertown for January is 15.2 degrees
The most monthly precipitation in Watertown occurs in August with 8.3 inches
The air quality index in Watertown is 9% worse than the national average
The pollution index in Watertown is 35% better than the national average

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Watertown 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	8°F	24°F	15°F	1.0"
February	9°F	27°F	17°F	2.9"
March	24°F	42°F	32°F	2.6"
April	37°F	57°F	46°F	5.5"
May	48°F	70°F	58°F	6.3"
June	59°F	79°F	68°F	6.1"
July	63°F	83°F	73°F	6.3"
August	61°F	80°F	70°F	8.3"
September	53°F	73°F	62°F	6.4"
October	40°F	58°F	48°F	5.0"
November	27°F	43°F	35°F	2.4"
December	13°F	27°F	19°F	2.0"

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Watertown 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	Watertown	Minnesota	National
Air quality index	46	35	42
Pollution index	1,774,860	1,854,519	2,726,193

Watertown air quality information

Measurement	Total
Days measured	365
Days with good air quality	214
Days with moderate air quality	148
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	1

Watertown air quality information

Pollutant	Total
Arsenic	0.001%
Benzene	0.030%
Carbon Tetrachloride	0.001%
Lead	0.003%
Mercury	0.001%

Average monthly Watertown temperature with heat index

Watertown monthly precipitation with daily maximum

Watertown monthly snow depth with daily maximum

Watertown monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Howard Lake, MN	1,897	32	36.0%
Waverly, MN	1,513	32	36.0%
Excelsior, MN	2,414	46	8.0%
Tonka Bay, MN	1,466	46	8.0%
Mayer, MN	2,313	46	8.0%
Watertown, MN	4,473	46	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
South Greeley, WY	4,473	43	14.0%
Viroqua, WI	4,472	35	30.0%
Westover, WV	4,475	36	28.0%
Sherman, IL	4,470	40	20.0%
Surfside Beach, SC	4,470	14	72.0%
Watertown, MN	4,473	46	8.0%

Source: The Watertown, MN 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.