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Climate & Weather Averages in Julian, California, USA

Currently: 76 °F. Clear. (Weather station: Thermal Airport, USA). See more current weather

Annual Weather Averages in Thermal Airport

Thermal Airport is 46 miles from Julian, so the actual climate in Julian can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
72
39
0.64
Feb
75
42
0.6
Mar
82
49
0.3
Apr
88
55
0.09
May
96
63
0.02
Jun
104
69
0.01
Jul
108
76
0.15
Aug
107
76
0.13
Sep
102
68
0.31
Oct
92
56
0.2
Nov
80
44
0.17
Dec
70
37
0.33

All Year Climate & Weather Averages in Julian

High Temp: 108 °F

Low Temp: 37 °F

Mean Temp: 73 °F

Precipitation: 0.25"

Humidity: 37%

Dew Point: 43 °F

Wind: 9 mph

Pressure: 29.88 "Hg

Visibility: 13 mi

January Climate & Weather Averages in Julian

High Temp: 72 °F

Low Temp: 39 °F

Mean Temp: 55 °F

Precipitation: 0.64"

Humidity: 47%

Dew Point: 33 °F

Wind: 6 mph

Pressure: 30.07 "Hg

Visibility: 13 mi

February Climate & Weather Averages in Julian

High Temp: 75 °F

Low Temp: 42 °F

Mean Temp: 58 °F

Precipitation: 0.60"

Humidity: 44%

Dew Point: 35 °F

Wind: 8 mph

Pressure: 30.00 "Hg

Visibility: 13 mi

March Climate & Weather Averages in Julian

High Temp: 82 °F

Low Temp: 49 °F

Mean Temp: 65 °F

Precipitation: 0.30"

Humidity: 37%

Dew Point: 37 °F

Wind: 10 mph

Pressure: 29.94 "Hg

Visibility: 13 mi

April Climate & Weather Averages in Julian

High Temp: 88 °F

Low Temp: 55 °F

Mean Temp: 72 °F

Precipitation: 0.09"

Humidity: 31%

Dew Point: 38 °F

Wind: 13 mph

Pressure: 29.86 "Hg

Visibility: 13 mi

May Climate & Weather Averages in Julian

High Temp: 96 °F

Low Temp: 63 °F

Mean Temp: 79 °F

Precipitation: 0.02"

Humidity: 31%

Dew Point: 44 °F

Wind: 13 mph

Pressure: 29.78 "Hg

Visibility: 13 mi

June Climate & Weather Averages in Julian

High Temp: 104 °F

Low Temp: 69 °F

Mean Temp: 86 °F

Precipitation: 0.01"

Humidity: 28%

Dew Point: 48 °F

Wind: 11 mph

Pressure: 29.73 "Hg

Visibility: 13 mi

July Climate & Weather Averages in Julian

High Temp: 108 °F

Low Temp: 76 °F

Mean Temp: 92 °F

Precipitation: 0.15"

Humidity: 31%

Dew Point: 56 °F

Wind: 9 mph

Pressure: 29.76 "Hg

Visibility: 13 mi

August Climate & Weather Averages in Julian

High Temp: 107 °F

Low Temp: 76 °F

Mean Temp: 91 °F

Precipitation: 0.13"

Humidity: 33%

Dew Point: 57 °F

Wind: 8 mph

Pressure: 29.75 "Hg

Visibility: 13 mi

September Climate & Weather Averages in Julian

High Temp: 102 °F

Low Temp: 68 °F

Mean Temp: 85 °F

Precipitation: 0.31"

Humidity: 34%

Dew Point: 52 °F

Wind: 8 mph

Pressure: 29.77 "Hg

Visibility: 13 mi

October Climate & Weather Averages in Julian

High Temp: 92 °F

Low Temp: 56 °F

Mean Temp: 74 °F

Precipitation: 0.20"

Humidity: 37%

Dew Point: 44 °F

Wind: 8 mph

Pressure: 29.86 "Hg

Visibility: 13 mi

November Climate & Weather Averages in Julian

High Temp: 80 °F

Low Temp: 44 °F

Mean Temp: 62 °F

Precipitation: 0.17"

Humidity: 42%

Dew Point: 36 °F

Wind: 6 mph

Pressure: 29.99 "Hg

Visibility: 13 mi

December Climate & Weather Averages in Julian

High Temp: 70 °F

Low Temp: 37 °F

Mean Temp: 53 °F

Precipitation: 0.33"

Humidity: 47%

Dew Point: 32 °F

Wind: 6 mph

Pressure: 30.07 "Hg

Visibility: 12 mi

Quick Climate Info

Hottest MonthJuly (92 °F avg)
Coldest MonthDecember (53 °F avg)
Wettest MonthJanuary (0.64" avg)
Windiest MonthMay (13 mph avg)
Annual precip.2.95" (per year)

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