Newcastle, Wyoming Climate
United States
Pop. 3,534 Elev. 1,323 m / 4,341 ft
TZ: America/Denver (UTC-6) ·
Dry and warm, Newcastle sees July highs of 88°F (31°C) and cold January lows of 11°F (-12°C). Wind chill can push winter lows to 0°F (-18°C). Expect around 17 rainy days annually (12.3 in / 313 mm total), with snow on 2 days and 24 in (616 mm) of annual accumulation. The city averages 167 sunny days per year.
| Temperature | 88°F (31°C) high | 11°F (-12°C) low |
| Feels like | 90°F (32°C) high | 0°F (-18°C) low |
| Rain | 17 days | 12.3 in (313 mm) /yr |
| Snow | 2 days | 24.3 in (616 mm) /yr |
| Sky | 167 sunny | 6 stormy |
| Wind | 2.9 mph (1.3 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 (%)
50
Jan 51
Feb 53
Mar 53
Apr 48
May 39
Jun 42
Jul 38
Aug 38
Sep 36
Oct 44
Nov 54
Dec Humidity (%)
66
Jan 56
Feb 44
Mar 51
Apr 52
May 49
Jun 46
Jul 46
Aug 44
Sep 59
Oct 61
Nov 60
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 59 mi Rapid City Regional Airport (RAP)
Ski resort 38 mi Terry Peak Ski Area
National park 20 mi Jewel Cave National Monument
Mountain peak
(5,145 ft) 4 mi Jumbo Table
Hospital 1 mi Weston County Health Services
Hiking trail 20 mi Canyons Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 30°F -1°C | 11°F -12°C | 0.0 in 0 mm | 5.7 in144 mm | 13 |
| February | 36°F 2°C | 12°F -11°C | 0.0 in 1 mm | 3.8 in96 mm | 8 |
| March | 57°F 14°C | 31°F -1°C | 0.4 in 9 mm | 6.5 in165 mm | 12 |
| April | 60°F 16°C | 34°F 1°C | 1.6 in 40 mm | 1.8 in46 mm | 10 |
| May | 69°F 21°C | 45°F 7°C | 2.1 in 52 mm | 0.6 in15 mm | 17 |
| June | 82°F 28°C | 54°F 12°C | 2.6 in 67 mm | — | 14 |
| July | 88°F 31°C | 62°F 17°C | 2.1 in 52 mm | — | 17 |
| August | 86°F 30°C | 60°F 15°C | 0.6 in 15 mm | — | 20 |
| September | 80°F 27°C | 52°F 11°C | 0.5 in 13 mm | — | 17 |
| October | 63°F 17°C | 40°F 5°C | 1.8 in 46 mm | 0.0 in1 mm | 18 |
| November | 52°F 11°C | 31°F -1°C | 0.4 in 10 mm | 2.7 in68 mm | 11 |
| December | 47°F 8°C | 25°F -4°C | 0.3 in 7 mm | 3.3 in83 mm | 10 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 0 |
| February | 8 | 0 |
| March | 12 | 0 |
| April | 10 | 0 |
| May | 17 | 1 |
| June | 14 | 1 |
| July | 17 | 2 |
| August | 20 | 0 |
| September | 17 | 0 |
| October | 18 | 2 |
| November | 11 | 0 |
| December | 10 | 0 |