Julian, CA Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Julian for August is 73.5 degrees
The lowest monthly average temperature in Julian for January is 49.1 degrees
The most monthly precipitation in Julian occurs in January with 10.5 inches
The air quality index in Julian is 52% worse than the national average
The pollution index in Julian is 94% better than the national average

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Julian 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	65°F	49°F	10.5"
February	39°F	65°F	51°F	8.0"
March	41°F	70°F	54°F	3.0"
April	41°F	72°F	55°F	2.9"
May	48°F	77°F	61°F	0.9"
June	49°F	83°F	65°F	0.2"
July	56°F	91°F	72°F	1.5"
August	58°F	92°F	73°F	0.5"
September	50°F	86°F	67°F	0.4"
October	47°F	79°F	62°F	2.1"
November	42°F	75°F	57°F	3.5"
December	34°F	67°F	50°F	2.5"

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Julian 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	Julian	California	National
Air quality index	64	55	42
Pollution index	162,740	10,473,190	2,726,193

Julian air quality

Measurement	Total
Days measured	365
Days with good air quality	87
Days with moderate air quality	253
Days w/ poor A.Q. for sensitive groups	23
Days with unhealthy air quality	2

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.003%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Julian temperature with heat index

Julian monthly precipitation with daily maximum

Julian monthly snow depth with daily maximum

Julian monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
San Diego Country Estates, CA	9,752	64	28.0%
Borrego Springs, CA	1,864	64	28.0%
Descanso, CA	1,398	64	28.0%
Mount Laguna, CA	102	64	28.0%
Julian, CA	1,318	64	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
La Harpe, IL	1,318	29	42.0%
Mulberry, IN	1,319	42	16.0%
Coal Run Village, KY	1,319	42	16.0%
Red Lake Falls, MN	1,319	33	34.0%
Winthrop, MN	1,317	46	8.0%
Julian, CA	1,318	64	28.0%

Source: The Julian, 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.