Rio Oso, CA Weather - Forecast & Monthly Averages

TEMPERATURE	39
HUMIDITY	70
PRESSURE	102100
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Rio Oso for July is 79.4 degrees
The lowest monthly average temperature in Rio Oso for January is 43.5 degrees
The most monthly precipitation in Rio Oso occurs in December with 10 inches
The air quality index in Rio Oso is 5% worse than the national average
The pollution index in Rio Oso is 22% worse than the national average

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Rio Oso 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	34°F	55°F	44°F	5.5"
February	42°F	62°F	51°F	6.6"
March	43°F	71°F	56°F	3.9"
April	44°F	74°F	58°F	3.7"
May	51°F	84°F	67°F	3.6"
June	55°F	90°F	72°F	2.5"
July	61°F	99°F	79°F	0.6"
August	59°F	97°F	77°F	0.0"
September	53°F	87°F	68°F	1.0"
October	48°F	78°F	61°F	3.0"
November	41°F	68°F	53°F	4.2"
December	38°F	57°F	47°F	10.0"

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Rio Oso 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	Rio Oso	California	National
Air quality index	44	55	42
Pollution index	3,319,120	10,473,190	2,726,193

Rio Oso air quality

Measurement	Total
Days measured	365
Days with good air quality	239
Days with moderate air quality	124
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.100%
Benzene	0.040%
Carbon Tetrachloride	0.000%
Lead	0.070%
Mercury	0.120%

Average monthly Rio Oso temperature with heat index

Rio Oso monthly precipitation with daily maximum

Rio Oso monthly snow depth with daily maximum

Rio Oso monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
East Nicolaus, CA	172	44	12.0%
Trowbridge, CA	196	44	12.0%
Beale AFB, CA	955	44	12.0%
Wheatland, CA	3,631	44	12.0%
Marysville, CA	12,467	44	12.0%
Rio Oso, CA	414	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Kasigluk, AK	414	31	38.0%
Mayetta, KS	414	41	18.0%
Briarwood, KY	414	49	2.0%
Maceo, KY	414	43	14.0%
Chokio, MN	414	25	50.0%
Rio Oso, CA	414	44	12.0%

Source: The Rio Oso, 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.