Sleepy Hollow, Wyoming Climate
United States
Pop. 1,308 Elev. 1,403 m / 4,603 ft
TZ: America/Denver (UTC-6) ·
Sleepy Hollow has a dry climate with warm summers reaching 87°F (31°C) in July and cold winters averaging 12°F (-11°C) in January. Wind chill can push winter lows to 1°F (-17°C). Rain falls on about 19 days per year (15.8 in / 400 mm total), with snow on 11 days and 59 in (1488 mm) of annual accumulation. The city averages 148 sunny days per year.
| Temperature | 87°F (31°C) high | 12°F (-11°C) low |
| Feels like | 89°F (32°C) high | 1°F (-17°C) low |
| Rain | 19 days | 15.8 in (400 mm) /yr |
| Snow | 11 days | 58.6 in (1488 mm) /yr |
| Sky | 148 sunny | 10 stormy |
| Wind | 3.7 mph (1.6 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Aug, Sep
Sky & Air by Month
Cloud cover (%)
55
Jan 57
Feb 59
Mar 54
Apr 48
May 41
Jun 43
Jul 39
Aug 40
Sep 40
Oct 51
Nov 56
Dec Humidity (%)
75
Jan 57
Feb 44
Mar 51
Apr 56
May 53
Jun 49
Jul 43
Aug 46
Sep 62
Oct 61
Nov 58
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 10 mi Northeast Wyoming Regional Airport (GCC)
Ski resort 75 mi Pole Creek Nordic Ski Area
National park 43 mi Devils Tower National Monument
Mountain peak
(5,066 ft) 3 mi Antelope Butte
Hospital 6 mi Campbell County Health
Hiking trail 43 mi Tower Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 27°F -3°C | 12°F -11°C | 0.0 in 1 mm | 13.5 in343 mm | 10 |
| February | 34°F 1°C | 12°F -11°C | 0.0 in 1 mm | 2.8 in72 mm | 7 |
| March | 55°F 13°C | 32°F 0°C | 0.3 in 8 mm | 17.8 in452 mm | 7 |
| April | 60°F 15°C | 34°F 1°C | 2.3 in 58 mm | 9.8 in248 mm | 10 |
| May | 67°F 20°C | 44°F 7°C | 2.0 in 52 mm | 4.9 in125 mm | 15 |
| June | 79°F 26°C | 52°F 11°C | 3.5 in 89 mm | — | 15 |
| July | 87°F 31°C | 59°F 15°C | 2.1 in 52 mm | — | 16 |
| August | 86°F 30°C | 59°F 15°C | 1.2 in 31 mm | — | 18 |
| September | 78°F 26°C | 52°F 11°C | 0.9 in 24 mm | — | 16 |
| October | 62°F 17°C | 40°F 4°C | 2.5 in 65 mm | 0.2 in4 mm | 18 |
| November | 51°F 11°C | 32°F 0°C | 0.4 in 9 mm | 2.3 in58 mm | 7 |
| December | 46°F 8°C | 27°F -3°C | 0.4 in 10 mm | 7.3 in185 mm | 9 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 10 | 0 |
| February | 7 | 0 |
| March | 7 | 0 |
| April | 10 | 0 |
| May | 15 | 2 |
| June | 15 | 4 |
| July | 16 | 1 |
| August | 18 | 1 |
| September | 16 | 1 |
| October | 18 | 1 |
| November | 7 | 0 |
| December | 9 | 0 |