South Monrovia Island, CA Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in South Monrovia Island for August is 75 degrees
The lowest monthly average temperature in South Monrovia Island for December is 56.3 degrees
The most monthly precipitation in South Monrovia Island occurs in December with 2.5 inches
The air quality index in South Monrovia Island is 71% worse than the national average
The pollution index in South Monrovia Island is 5017% worse than the national average

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South Monrovia Island 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	46°F	72°F	57°F	2.3"
February	48°F	72°F	58°F	1.7"
March	51°F	75°F	61°F	1.0"
April	54°F	76°F	64°F	0.5"
May	58°F	78°F	66°F	0.3"
June	62°F	81°F	70°F	0.0"
July	66°F	86°F	74°F	0.1"
August	66°F	88°F	75°F	0.0"
September	65°F	88°F	74°F	0.2"
October	59°F	83°F	69°F	0.4"
November	52°F	77°F	63°F	0.6"
December	45°F	70°F	56°F	2.5"

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South Monrovia Island 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	South Monrovia Island	California	National
Air quality index	72	55	42
Pollution index	139,490,000	10,473,190	2,726,193

South Monrovia Island air quality

Measurement	Total
Days measured	365
Days with good air quality	66
Days with moderate air quality	208
Days w/ poor A.Q. for sensitive groups	62
Days with unhealthy air quality	28

Air quality details

Pollutant	Total
Arsenic	0.200%
Benzene	0.950%
Carbon Tetrachloride	0.080%
Lead	1.320%
Mercury	0.440%

Average monthly South Monrovia Island temperature with heat index

South Monrovia Island monthly precipitation with daily maximum

South Monrovia Island monthly snow depth with daily maximum

South Monrovia Island monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Azusa, CA	49,584	72	44.0%
Citrus, CA	10,105	72	44.0%
Irwindale, CA	1,365	72	44.0%
Valinda, CA	22,665	72	44.0%
West Puente Valley, CA	23,555	72	44.0%
South Monrovia Island, CA	6,565	72	44.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Westlock County, AB	6,565	n/a
Geneseo, IL	6,566	46	8.0%
Bondurant, IA	6,567	39	22.0%
Rossford, OH	6,567	40	20.0%
Lake City, SC	6,562	40	20.0%
South Monrovia Island, CA	6,565	72	44.0%

Source: The South Monrovia Island, CA 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.