Johannesburg, CA Weather - Forecast & Monthly Averages

TEMPERATURE	73
HUMIDITY	38
PRESSURE
WIND COND.	170 13

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Weather Quick Facts

The highest monthly average temperature in Johannesburg for July is 89.9 degrees
The lowest monthly average temperature in Johannesburg for December is 43.6 degrees
The most monthly precipitation in Johannesburg occurs in January with 0.8 inches
The air quality index in Johannesburg is 59% worse than the national average
The pollution index in Johannesburg is 674% worse than the national average

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Johannesburg 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	31°F	62°F	45°F	0.8"
February	35°F	67°F	51°F	0.5"
March	42°F	74°F	58°F	0.2"
April	47°F	80°F	64°F	0.0"
May	55°F	89°F	73°F	0.0"
June	64°F	100°F	84°F	0.0"
July	71°F	106°F	90°F	0.0"
August	68°F	104°F	87°F	0.1"
September	60°F	96°F	79°F	0.2"
October	49°F	83°F	66°F	0.1"
November	38°F	71°F	54°F	0.2"
December	30°F	59°F	44°F	0.5"

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Johannesburg 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	Johannesburg	California	National
Air quality index	67	55	42
Pollution index	21,095,500	10,473,190	2,726,193

Johannesburg air quality information

Measurement	Total
Days measured	365
Days with good air quality	119
Days with moderate air quality	151
Days w/ poor A.Q. for sensitive groups	87
Days with unhealthy air quality	6

Johannesburg air quality information

Pollutant	Total
Arsenic	1.700%
Benzene	0.350%
Carbon Tetrachloride	0.004%
Lead	0.580%
Mercury	1.550%

Average monthly Johannesburg temperature with heat index

Johannesburg monthly precipitation with daily maximum

Johannesburg monthly snow depth with daily maximum

Johannesburg monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Randsburg, CA	99	67	34.0%
Johannesburg, CA	48	67	34.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Chenega, AK	48	31	38.0%
Morrison Bluff, AR	48	36	28.0%
Robinson Mill, CA	48	44	12.0%
Cobbtown, FL	48	41	18.0%
Aredale, IA	48	15	70.0%
Johannesburg, CA	48	67	34.0%

Source: The Johannesburg, 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.