Weather

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Annual Weather Information

Weather in northeast Wyoming varies greatly, from sub-zero temperatures in the winter to triple-digit temperatures in the summer. Snows are frequent but generally light and small, although blizzard and white-out conditions are not uncommon. Summer days are hot and dry, but severe storms with hail and high winds are possible. If you are visiting in the spring or fall, be prepared for all weather!

Month Average High Temp (F) Average Low Temp (F) Record High Temp (F) Record Low Temp (F) Average Rainfall (in) Average Snowfall (in)
Jan 34 4 65 -41 0.6 9.4
Feb 40 10 71 -44 0.6 8.1
Mar 48 18 80 -29 0.9 9.3
Apr 59 28 90 -12 1.8 7.1
May 69 38 97 11 2.6 0.8
Jun 79 47 105 26 3.2 0
Jul 87 52 108 31 1.9 0
Aug 87 50 103 29 1.5 0
Sep 76 39 103 14 1.4 0.5
Oct 63 28 92 -20 1.3 2.3
Nov 45 17 80 -35 0.7 6.1
Dec 36 7 67 -48 0.7 11.4
Annual 60 28 N/A N/A 17.2 (total) 55 (total)

Last updated: March 6, 2019

Contact the Park

Mailing Address:

PO Box 10
Devils Tower, WY 82714

Phone:

(307) 467-5283 x635
Devils Tower National Monument Visitor Center Phone Number

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