# Wyarno, Wyoming

Wyarno is an unincorporated community in central Sheridan County, Wyoming, United States. It lies along Wyoming Highway 336, approximately 10 miles (16 km) east of the city of Sheridan, the county seat of Sheridan County. Although Wyarno is unincorporated, it has a post office, with the ZIP code of 82845. Public education in the community of Wyarno is provided by Sheridan County School District #2.

## Geography

Wyarno lies on the high plains about 12.5 miles (20.1 km) south of Montana, in the small Dutch Creek valley. The town is about 25 miles (40 km) east of the Big Horn Mountains and Bighorn National Forest. There are few populated places to the east of Wyarno. South of town about 25 miles (40 km) is Ucross, Wyoming, at the intersection of U.S. Route 14 and U.S. Route 16. Wyarno's elevation is 3,786 feet (1,154 m). The BNSF Railway line between Sheridan and Gillette passes by town.

### Climate

Sheridan Field Station is a weather station near Wyarno. Sheridan Field Station has a cold semi-arid climate (Köppen BSk).
Climate data for Sheridan Field Station, Wyoming, 1991–2020 normals, 1920-2020 extremes: 3750ft (1143m) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 70 (21) | 74 (23) | 80 (27) | 88 (31) | 96 (36) | 106 (41) | 109 (43) | 105 (41) | 104 (40) | 95 (35) | 80 (27) | 78 (26) | 109 (43) |
| Mean maximum °F (°C) | 55.9 (13.3) | 57.0 (13.9) | 71.2 (21.8) | 80.3 (26.8) | 86.2 (30.1) | 94.6 (34.8) | 101.8 (38.8) | 100.4 (38.0) | 95.8 (35.4) | 83.6 (28.7) | 69.5 (20.8) | 56.3 (13.5) | 103.0 (39.4) |
| Mean daily maximum °F (°C) | 33.7 (0.9) | 36.5 (2.5) | 47.5 (8.6) | 56.0 (13.3) | 65.3 (18.5) | 76.1 (24.5) | 87.2 (30.7) | 86.4 (30.2) | 75.1 (23.9) | 58.9 (14.9) | 44.9 (7.2) | 34.5 (1.4) | 58.5 (14.7) |
| Daily mean °F (°C) | 21.9 (−5.6) | 24.7 (−4.1) | 34.8 (1.6) | 43.2 (6.2) | 52.6 (11.4) | 62.3 (16.8) | 71.1 (21.7) | 69.0 (20.6) | 58.6 (14.8) | 44.9 (7.2) | 32.2 (0.1) | 23.0 (−5.0) | 44.9 (7.1) |
| Mean daily minimum °F (°C) | 10.1 (−12.2) | 12.8 (−10.7) | 22.1 (−5.5) | 30.4 (−0.9) | 39.8 (4.3) | 48.6 (9.2) | 55.0 (12.8) | 51.7 (10.9) | 42.1 (5.6) | 30.9 (−0.6) | 19.6 (−6.9) | 11.5 (−11.4) | 31.2 (−0.4) |
| Mean minimum °F (°C) | −16.5 (−26.9) | −12.7 (−24.8) | −0.7 (−18.2) | 13.8 (−10.1) | 23.6 (−4.7) | 34.2 (1.2) | 43.0 (6.1) | 39.1 (3.9) | 28.5 (−1.9) | 12.3 (−10.9) | −4.7 (−20.4) | −12.2 (−24.6) | −23.3 (−30.7) |
| Record low °F (°C) | −40 (−40) | −38 (−39) | −24 (−31) | −14 (−26) | 7 (−14) | 28 (−2) | 28 (−2) | 29 (−2) | 4 (−16) | −18 (−28) | −26 (−32) | −44 (−42) | −44 (−42) |
| Average precipitation inches (mm) | 0.52 (13) | 0.41 (10) | 0.71 (18) | 1.41 (36) | 2.91 (74) | 2.30 (58) | 1.09 (28) | 0.73 (19) | 1.43 (36) | 1.48 (38) | 0.46 (12) | 0.43 (11) | 13.88 (353) |
| Average snowfall inches (cm) | 7.80 (19.8) | 4.20 (10.7) | 4.50 (11.4) | 5.30 (13.5) | 0.60 (1.5) | 0.00 (0.00) | 0.00 (0.00) | 0.00 (0.00) | 0.10 (0.25) | 2.40 (6.1) | 3.10 (7.9) | 5.20 (13.2) | 33.2 (84.35) |
| Source 1: NOAA ||||||||||||||
| Source 2: XMACIS (temp records & monthly max/mins) ||||||||||||||
Climate data for Wyarno, Wyoming :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 70 (21) | 80 (27) | 80 (27) | 88 (31) | 96 (36) | 106 (41) | 109 (43) | 105 (41) | 104 (40) | 92 (33) | 80 (27) | 78 (26) | 109 (43) |
| Mean daily maximum °F (°C) | 32.3 (0.2) | 36.7 (2.6) | 44.9 (7.2) | 57.2 (14.0) | 67.3 (19.6) | 76.6 (24.8) | 87.7 (30.9) | 86.8 (30.4) | 74.8 (23.8) | 61.8 (16.6) | 45.4 (7.4) | 35.5 (1.9) | 58.9 (14.9) |
| Daily mean °F (°C) | 19.3 (−7.1) | 23.7 (−4.6) | 32.2 (0.1) | 43.4 (6.3) | 53.3 (11.8) | 62.1 (16.7) | 70.6 (21.4) | 68.8 (20.4) | 57.7 (14.3) | 46.1 (7.8) | 32 (0) | 22.5 (−5.3) | 44.3 (6.8) |
| Mean daily minimum °F (°C) | 6.2 (−14.3) | 10.7 (−11.8) | 19.5 (−6.9) | 29.7 (−1.3) | 39.3 (4.1) | 47.6 (8.7) | 53.4 (11.9) | 50.9 (10.5) | 40.6 (4.8) | 30.4 (−0.9) | 18.6 (−7.4) | 9.6 (−12.4) | 29.7 (−1.3) |
| Record low °F (°C) | −40 (−40) | −38 (−39) | −24 (−31) | −14 (−26) | 13 (−11) | 28 (−2) | 32 (0) | 29 (−2) | 4 (−16) | −18 (−28) | −26 (−32) | −44 (−42) | −44 (−42) |
| Average precipitation inches (mm) | 0.5 (13) | 0.5 (13) | 0.9 (23) | 1.8 (46) | 2.6 (66) | 2.7 (69) | 1.2 (30) | 0.9 (23) | 1.4 (36) | 1.3 (33) | 0.7 (18) | 0.5 (13) | 14.9 (380) |
| Average snowfall inches (cm) | 7.3 (19) | 6.6 (17) | 9 (23) | 5.1 (13) | 0.8 (2.0) | 0.1 (0.25) | 0.0 (0.0) | 0.0 (0.0) | 0.3 (0.76) | 2.1 (5.3) | 5.3 (13) | 6.4 (16) | 43 (110) |
| Average precipitation days (≥ 0.01 in.) | 5 | 5 | 7 | 9 | 10 | 10 | 6 | 5 | 6 | 7 | 5 | 5 | 80 |
| Average snowy days (≥ 0.1 in.) | 2.7 | 2.6 | 2.4 | 1.3 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 1.5 | 2.9 | 14.2 |
| Source: weatherbase.com ||||||||||||||