# Bald Mountain Pass

Bald Mountain Pass (elevation 10,715 feet [3,266 m]) is a high mountain pass in the high Uinta Mountains in Duchesne County in eastern Utah. United States. It is the highest point on the Mirror Lake Highway (Utah State Route 150), near the trailhead for Bald Mountain. The highway is the highest paved road in Utah.

## Climate

Climate data for Bald Mountain Pass 40.6914 N, 110.8981 W, Elevation: 10,719 ft (3,267 m) (1991–2020 normals) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °F (°C) | 27.8 (−2.3) | 28.6 (−1.9) | 34.9 (1.6) | 40.4 (4.7) | 48.7 (9.3) | 59.6 (15.3) | 67.9 (19.9) | 66.1 (18.9) | 57.8 (14.3) | 45.5 (7.5) | 34.2 (1.2) | 26.9 (−2.8) | 44.9 (7.1) |
| Daily mean °F (°C) | 16.8 (−8.4) | 16.6 (−8.6) | 22.0 (−5.6) | 27.3 (−2.6) | 36.1 (2.3) | 46.2 (7.9) | 54.1 (12.3) | 52.6 (11.4) | 44.8 (7.1) | 33.9 (1.1) | 23.2 (−4.9) | 16.2 (−8.8) | 32.5 (0.3) |
| Mean daily minimum °F (°C) | 5.8 (−14.6) | 4.7 (−15.2) | 9.1 (−12.7) | 14.2 (−9.9) | 23.4 (−4.8) | 32.7 (0.4) | 40.3 (4.6) | 39.0 (3.9) | 31.9 (−0.1) | 22.2 (−5.4) | 12.2 (−11.0) | 5.5 (−14.7) | 20.1 (−6.6) |
| Average precipitation inches (mm) | 4.83 (123) | 4.22 (107) | 4.06 (103) | 4.30 (109) | 3.56 (90) | 1.99 (51) | 1.81 (46) | 2.32 (59) | 2.90 (74) | 3.12 (79) | 3.64 (92) | 4.27 (108) | 41.02 (1,041) |
| Source: PRISM Climate Group ||||||||||||||
There is a SNOTEL weather station for Trial Lake, situated near the summit of Bald Mountain Pass.
Climate data for Trial Lake, Utah, 1994–2020 normals, 1983-2020 extremes: 9992ft (3046m) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 53 (12) | 58 (14) | 84 (29) | 86 (30) | 77 (25) | 82 (28) | 89 (32) | 83 (28) | 78 (26) | 72 (22) | 60 (16) | 53 (12) | 89 (32) |
| Mean maximum °F (°C) | 43.0 (6.1) | 43.8 (6.6) | 52.5 (11.4) | 58.7 (14.8) | 63.8 (17.7) | 72.5 (22.5) | 79.0 (26.1) | 75.1 (23.9) | 71.0 (21.7) | 60.9 (16.1) | 50.7 (10.4) | 42.5 (5.8) | 79.9 (26.6) |
| Mean daily maximum °F (°C) | 29.1 (−1.6) | 30.9 (−0.6) | 39.4 (4.1) | 44.3 (6.8) | 52.4 (11.3) | 62.9 (17.2) | 71.2 (21.8) | 68.9 (20.5) | 60.1 (15.6) | 47.4 (8.6) | 35.6 (2.0) | 27.4 (−2.6) | 47.5 (8.6) |
| Daily mean °F (°C) | 19.8 (−6.8) | 19.8 (−6.8) | 26.5 (−3.1) | 31.4 (−0.3) | 39.8 (4.3) | 49.4 (9.7) | 57.6 (14.2) | 55.6 (13.1) | 47.7 (8.7) | 36.6 (2.6) | 25.7 (−3.5) | 18.3 (−7.6) | 35.7 (2.0) |
| Mean daily minimum °F (°C) | 10.2 (−12.1) | 8.6 (−13.0) | 13.6 (−10.2) | 18.6 (−7.4) | 27.3 (−2.6) | 36.0 (2.2) | 44.0 (6.7) | 42.3 (5.7) | 35.2 (1.8) | 25.8 (−3.4) | 15.7 (−9.1) | 9.1 (−12.7) | 23.9 (−4.5) |
| Mean minimum °F (°C) | −7.6 (−22.0) | −8.6 (−22.6) | −3.6 (−19.8) | 2.6 (−16.3) | 12.4 (−10.9) | 24.2 (−4.3) | 35.7 (2.1) | 34.2 (1.2) | 22.2 (−5.4) | 9.3 (−12.6) | −3.3 (−19.6) | −9.4 (−23.0) | −14.3 (−25.7) |
| Record low °F (°C) | −28 (−33) | −31 (−35) | −17 (−27) | −12 (−24) | −8 (−22) | 3 (−16) | 15 (−9) | 13 (−11) | 4 (−16) | −22 (−30) | −28 (−33) | −30 (−34) | −31 (−35) |
| Average precipitation inches (mm) | 4.47 (114) | 3.93 (100) | 3.65 (93) | 3.94 (100) | 3.13 (80) | 1.73 (44) | 1.58 (40) | 2.20 (56) | 2.52 (64) | 2.80 (71) | 3.34 (85) | 4.25 (108) | 37.54 (955) |
| Source 1: XMACIS2 ||||||||||||||
| Source 2: NOAA (Precipitation) ||||||||||||||