Mount Baldy, California

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For the nearby mountain, see Mount San Antonio.
Mt Baldy, California
Unincorporated community
Mt Baldy, California is located in California
Mt Baldy, California
Mt Baldy, California
Coordinates: 34°14′10″N 117°39′36″W / 34.23611°N 117.66000°W / 34.23611; -117.66000Coordinates: 34°14′10″N 117°39′36″W / 34.23611°N 117.66000°W / 34.23611; -117.66000
Country United States
State California
County San Bernardino
Elevation 4,193 ft (1,278 m)
Time zone Pacific (PST) (UTC-8)
 • Summer (DST) PDT (UTC-7)
ZIP code 91759
Area code(s) 909
GNIS feature ID 1660300[1]
Mount Baldy post office sign, about 1953

Mt Baldy is an unincorporated community in San Bernardino County, California, United States on the border of Los Angeles County. Mt Baldy is 12 miles (19 km) north of Ontario. Mt Baldy has a post office with ZIP code 91759.[2] The community was established as Camp Baynham in 1906; it changed its name to Camp Baldy in 1910 and became Mt. Baldy in 1951. Its post office was established in 1913.[3]


Climate[edit]

Mt. Baldy has relatively cold winters that are very snowy. Temperatures often dip below 20 °F at night. It is usually 35–45 °F during the day during the winter, and 20–25 °F at night. Snow can be found even in the month of June. Annual snowfall is about 130 inches. Summer temperatures are mild to warm, and can get chilly at night. Daytime temperatures are 70–80 °F, with lows of 45–55 °F. Thunderstorms are common, brewing in the mountains in and surrounding Mt. Baldy. They usually occur in the afternoon, and clear up by late evening.

Climate data for Mt. Baldy
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °F (°C) 39
(4)
38
(3)
38
(3)
48
(9)
58
(14)
66
(19)
76
(24)
75
(24)
68
(20)
59
(15)
47
(8)
38
(3)
54
(12)
Average low °F (°C) 26
(−3)
25
(−4)
23
(−5)
28
(−2)
36
(2)
42
(6)
52
(11)
50
(10)
44
(7)
38
(3)
29
(−2)
24
(−4)
35
(2)
Precipitation inches (mm) 8.20
(208.3)
9.54
(242.3)
6.08
(154.4)
2.73
(69.3)
1.00
(25.4)
0.25
(6.4)
0.10
(2.5)
0.21
(5.3)
0.69
(17.5)
2.51
(63.8)
3.41
(86.6)
5.21
(132.3)
40.83
(1,037.1)
Snowfall inches (cm) 29.5
(74.9)
44.6
(113.3)
20.5
(52.1)
11.9
(30.2)
3.2
(8.1)
0.3
(0.8)
0.0
(0)
0.0
(0)
0.0
(0)
0.9
(2.3)
6.3
(16)
13.5
(34.3)
130.7
(332)
Source: [4]

See also[edit]

References[edit]

External links[edit]