Callahan, California
# Callahan, California

Callahan is an unincorporated community in Siskiyou County, California, United States. Callahan is located on California State Route 3 11.5 miles (18.5 km) south-southeast of Etna. Callahan has a post office with ZIP code 96014. As of 2009 it has a population of 50~.

## History

The post office opened as Callahan's Ranch in 1858 and changed its name to Callahan in 1892. The community was named after M.B. Callahan, who opened a travelers' stop in the community in 1851.

## Climate

This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 °F. According to the Köppen Climate Classification system, Callahan has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.

Climate data for Callahan (1943-2012) :

| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Record high °F (°C) | 65 (18) | 72 (22) | 82 (28) | 86 (30) | 98 (37) | 103 (39) | 106 (41) | 105 (41) | 105 (41) | 91 (33) | 75 (24) | 65 (18) | 106 (41) |
| Average high °F (°C) | 44.9 (7.2) | 50.9 (10.5) | 56.4 (13.6) | 62.7 (17.1) | 71.5 (21.9) | 80.1 (26.7) | 88.5 (31.4) | 87.2 (30.7) | 80.6 (27.0) | 68 (20) | 51.9 (11.1) | 44.2 (6.8) | 65.6 (18.7) |
| Average low °F (°C) | 25.4 (−3.7) | 27.9 (−2.3) | 29.9 (−1.2) | 32.7 (0.4) | 38 (3) | 43.7 (6.5) | 48.9 (9.4) | 47.5 (8.6) | 41.7 (5.4) | 35.2 (1.8) | 29.8 (−1.2) | 25.7 (−3.5) | 35.5 (1.9) |
| Record low °F (°C) | −6 (−21) | −1 (−18) | 4 (−16) | 18 (−8) | 21 (−6) | 23 (−5) | 30 (−1) | 32 (0) | 23 (−5) | 15 (−9) | 9 (−13) | −9 (−23) | −9 (−23) |
| Average precipitation inches (mm) | 3.46 (88) | 2.7 (69) | 2.1 (53) | 1.26 (32) | 1.09 (28) | 0.76 (19) | 0.43 (11) | 0.37 (9.4) | 0.5 (13) | 1.57 (40) | 2.88 (73) | 3.79 (96) | 20.92 (531) |
| Average snowfall inches (cm) | 4.5 (11) | 1.7 (4.3) | 2.2 (5.6) | 0.3 (0.76) | 0.2 (0.51) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0.1 (0.25) | 1.3 (3.3) | 2.6 (6.6) | 12.8 (33) |
| Average precipitation days | 12 | 10 | 11 | 8 | 7 | 5 | 2 | 2 | 3 | 6 | 11 | 12 | 89 |
| Source: WRCC ||||||||||||||
