Colma, CA Weather - Forecast & Monthly Averages

TEMPERATURE	55
HUMIDITY	100
PRESSURE	102070
WIND COND.	10 9.4

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Weather Quick Facts

The highest monthly average temperature in Colma for September is 63.3 degrees
The lowest monthly average temperature in Colma for January is 50.7 degrees
The most monthly precipitation in Colma occurs in December with 4.4 inches
The air quality index in Colma is 5% better than the national average
The pollution index in Colma is 202% worse than the national average

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Colma 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	44°F	58°F	51°F	3.2"
February	46°F	62°F	53°F	3.4"
March	47°F	64°F	54°F	2.7"
April	49°F	67°F	56°F	1.7"
May	51°F	69°F	58°F	0.3"
June	54°F	72°F	61°F	0.2"
July	56°F	73°F	62°F	0.0"
August	56°F	73°F	62°F	0.0"
September	56°F	76°F	63°F	0.1"
October	54°F	73°F	62°F	1.0"
November	49°F	65°F	56°F	1.7"
December	44°F	58°F	51°F	4.4"

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Colma 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	Colma	California	National
Air quality index	40	55	42
Pollution index	8,232,360	10,473,190	2,726,193

Colma air quality

Measurement	Total
Days measured	365
Days with good air quality	290
Days with moderate air quality	74
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.060%
Carbon Tetrachloride	0.000%
Lead	0.010%
Mercury	0.010%

Average monthly Colma temperature with heat index

Colma monthly precipitation with daily maximum

Colma monthly snow depth with daily maximum

Colma monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Brisbane, CA	4,645	40	20.0%
Piedmont, CA	11,454	40	20.0%
San Francisco, CA	874,784	40	20.0%
Marin City, CA	3,040	40	20.0%
Strawberry CDP (Tuolumne County), CA	116	40	20.0%
Colma, CA	1,492	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Wilson, WY	1,492	43	14.0%
Brudenell, Lyndoch and Raglan, ON	1,492	n/a
Laird No. 404, SK	1,492	n/a
Pierson, FL	1,491	31	38.0%
Bedford, IA	1,493	43	14.0%
Colma, CA	1,492	40	20.0%

Source: The Colma, 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.