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Mountain Pass, California facts for kids

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Mountain Pass
View of the settlement of Mountain Pass
View of the settlement of Mountain Pass
Mountain Pass is located in California
Mountain Pass
Mountain Pass
Location in California
Country United States
State California
County San Bernardino
Elevation
4,728 ft (1,441 m)
Time zone UTC-8 (Pacific (PST))
 • Summer (DST) UTC-7 (PDT)
ZIP Codes
92366
Area code(s) 760

Mountain Pass is an unincorporated community in San Bernardino County, California, United States. It is situated on Interstate 15 in the southeast mountainous desert region of the state approximately 15 miles (24 km) from the Nevada border at an elevation of 4,730 feet (1,440 m)—the highest point along I-15 between California and Nevada. It has a population of 30.

The most prominent feature of the town, and its reason for existence, is the Mountain Pass Mine, an open pit mine for rare-earth elements. The mine and its associated processing facilities are owned by MP Materials, which purchased the assets out of bankruptcy on July 10, 2017.

Climate

Climate data for Mountain Pass, California. (Elevation 4,740 ft)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 71
(21.7)
76
(24.4)
81
(27.2)
90
(32.2)
104
(40)
109
(42.8)
110
(43.3)
109
(42.8)
102
(38.9)
96
(35.6)
89
(31.7)
70
(21.1)
110
(43.3)
Average high °F (°C) 50.4
(10.22)
53.7
(12.06)
59.0
(15)
66.4
(19.11)
76.3
(24.61)
87.0
(30.56)
92.8
(33.78)
89.9
(32.17)
83.9
(28.83)
72.4
(22.44)
58.9
(14.94)
51.1
(10.61)
70.2
(21.22)
Average low °F (°C) 29.5
(-1.39)
32.4
(0.22)
35.8
(2.11)
41.0
(5)
49.8
(9.89)
59.2
(15.11)
66.5
(19.17)
64.5
(18.06)
56.6
(13.67)
46.3
(7.94)
36.2
(2.33)
30.2
(-1)
45.7
(7.61)
Record low °F (°C) 3
(-16.1)
6
(-14.4)
12
(-11.1)
19
(-7.2)
28
(-2.2)
36
(2.2)
42
(5.6)
44
(6.7)
33
(0.6)
21
(-6.1)
10
(-12.2)
-2
(-18.9)
-2
(-18.9)
Precipitation inches (mm) 0.92
(23.4)
0.89
(22.6)
0.89
(22.6)
0.48
(12.2)
0.27
(6.9)
0.20
(5.1)
1.04
(26.4)
1.23
(31.2)
0.59
(15)
0.54
(13.7)
0.68
(17.3)
0.63
(16)
8.36
(212.3)
Snowfall inches (cm) 2.7
(6.9)
1.8
(4.6)
1.4
(3.6)
0.5
(1.3)
0.2
(0.5)
0
(0)
0
(0)
0
(0)
0
(0)
0.1
(0.3)
1.1
(2.8)
1.5
(3.8)
9.3
(23.6)
Source: The Western Regional Climate Center
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