Cohagen, Montana
# Cohagen, Montana

Cohagen is an unincorporated community in southeastern Garfield County, Montana, United States. It lies along Highway 59 southeast of the town of Jordan, the county seat of Garfield County. Its elevation is 2,720 feet (829 m).

## History

Cohagen's post office, with the ZIP code of 59322, opened on August 18, 1905. The town name is the mother's maiden name of the first postmaster Harry Harris.

In September 2020, Cohagen was evacuated due to wildfire threat.

## Climate

According to the Köppen Climate Classification system, Cohagen has a semi-arid climate, abbreviated "BSk" on climate maps.

Climate data for Cohagen, Montana, 1991–2020 normals, extremes 1967–present :

| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Record high °F (°C) | 68 (20) | 74 (23) | 83 (28) | 91 (33) | 102 (39) | 109 (43) | 110 (43) | 109 (43) | 106 (41) | 93 (34) | 80 (27) | 81 (27) | 110 (43) |
| Mean maximum °F (°C) | 52.3 (11.3) | 55.7 (13.2) | 69.1 (20.6) | 78.7 (25.9) | 86.4 (30.2) | 94.7 (34.8) | 100.4 (38.0) | 99.5 (37.5) | 94.9 (34.9) | 82.0 (27.8) | 67.3 (19.6) | 54.6 (12.6) | 102.2 (39.0) |
| Average high °F (°C) | 30.7 (−0.7) | 34.1 (1.2) | 46.1 (7.8) | 56.9 (13.8) | 66.7 (19.3) | 76.1 (24.5) | 85.8 (29.9) | 85.1 (29.5) | 73.8 (23.2) | 58.3 (14.6) | 43.7 (6.5) | 32.9 (0.5) | 57.5 (14.2) |
| Daily mean °F (°C) | 18.7 (−7.4) | 21.9 (−5.6) | 32.8 (0.4) | 42.9 (6.1) | 52.6 (11.4) | 61.9 (16.6) | 69.8 (21.0) | 68.4 (20.2) | 57.7 (14.3) | 44.3 (6.8) | 30.9 (−0.6) | 20.9 (−6.2) | 43.6 (6.4) |
| Average low °F (°C) | 6.8 (−14.0) | 9.8 (−12.3) | 19.4 (−7.0) | 28.8 (−1.8) | 38.5 (3.6) | 47.8 (8.8) | 53.8 (12.1) | 51.8 (11.0) | 41.5 (5.3) | 30.3 (−0.9) | 18.2 (−7.7) | 9.0 (−12.8) | 29.6 (−1.3) |
| Mean minimum °F (°C) | −23.7 (−30.9) | −15.0 (−26.1) | −4.3 (−20.2) | 15.4 (−9.2) | 23.7 (−4.6) | 36.8 (2.7) | 44.3 (6.8) | 38.6 (3.7) | 26.4 (−3.1) | 12.5 (−10.8) | −7.2 (−21.8) | −17.6 (−27.6) | −30.1 (−34.5) |
| Record low °F (°C) | −44 (−42) | −42 (−41) | −35 (−37) | −11 (−24) | 13 (−11) | 28 (−2) | 36 (2) | 28 (−2) | 13 (−11) | −16 (−27) | −29 (−34) | −46 (−43) | −46 (−43) |
| Average precipitation inches (mm) | 0.31 (7.9) | 0.28 (7.1) | 0.42 (11) | 1.11 (28) | 2.33 (59) | 2.27 (58) | 1.61 (41) | 1.12 (28) | 1.12 (28) | 1.06 (27) | 0.40 (10) | 0.31 (7.9) | 12.34 (312.9) |
| Average snowfall inches (cm) | 5.2 (13) | 3.8 (9.7) | 3.4 (8.6) | 2.1 (5.3) | 0.6 (1.5) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 1.2 (3.0) | 3.1 (7.9) | 5.2 (13) | 24.6 (62) |
| Average precipitation days (≥ 0.01 in) | 4.3 | 4.2 | 5.0 | 6.3 | 9.0 | 9.2 | 6.6 | 4.8 | 5.2 | 5.5 | 4.1 | 3.3 | 67.5 |
| Average snowy days (≥ 0.1 in) | 2.6 | 2.6 | 1.8 | 0.7 | 0.2 | 0.0 | 0.0 | 0.0 | 0.1 | 0.6 | 1.7 | 2.4 | 12.7 |
| Source 1: NOAA ||||||||||||||
| Source 2: National Weather Service ||||||||||||||
