If arriving in the winter, bring a jacket. While summer days can be extremely hot, summer evenings cool down to comfortable temperatures. If you plan to visit communities near the ocean, sweaters are needed in the evenings and early mornings during the summer months.
| Month |
Avg.
High |
Avg.
Low |
|
Avg.
Precip |
Record
High |
Record
Low |
| Jan |
62°F |
34°F |
48°F |
0.92 in. |
78°F (1996) |
18°F (1995) |
| Feb |
66°F |
38°F |
52°F |
0.82 in. |
87°F (1986) |
18°F (1986) |
| Mar |
71°F |
42°F |
57°F |
0.61 in. |
92°F (1997) |
26°F (2002) |
| Apr |
79°F |
47°F |
63°F |
0.14 in. |
98°F (1989) |
30°F (1999) |
| May |
87°F |
54°F |
71°F |
0.07 in. |
107°F (2003) |
32°F (1980) |
| Jun |
97°F |
62°F |
80°F |
0.05 in. |
112°F (1995) |
36°F (1983) |
| Jul |
103°F |
68°F |
86°F |
0.23 in. |
115°F (1995) |
48°F (1986) |
| Aug |
101°F |
67°F |
84°F |
0.22 in. |
112°F (1997) |
51°F (1987) |
| Sep |
95°F |
61°F |
78°F |
0.25 in. |
109°F (1995) |
40°F (1982) |
| Oct |
84°F |
51°F |
67°F |
0.18 in. |
101°F (1996) |
33°F (1989) |
| Nov |
70°F |
40°F |
55°F |
0.37 in. |
89°F (1989) |
20°F (1994) |
| Dec |
62°F |
33°F |
47°F |
0.47 in. |
76°F (1995) |
8°F (1990) |
|
Barstow, CA Weather Facts
|
- July is the average warmest month.
- December is the average coolest month.
- January is the average wettest month.
|
Ft Irwin's Current Weather can be found on MilitaryAvenue.