Camping in Wyoming: Best Months, Booking and Fire Rules
Across Wyoming's 3 NOAA reference stations, camping weather is mild in June and from August to September, with average highs of 75 to 85 F and lows of 44 to 52 F. Nights at or below freezing show up from September to May, most often in January, when they average 29.5 a month. State park sites are booked through Wyoming State Parks reservations, up to 120 days ahead.
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The best months for camping in Wyoming
By NOAA's 1991 to 2020 normals, camping weather in Wyoming is mild June and August to September. Pick the station nearest your campground below; high ground runs colder than any station.
- Jan37° / 15°Freezing nights
- Feb39° / 16°Freezing nights
- Mar49° / 23°Freezing nights
- Apr56° / 30°Freezing nights
- May66° / 39°Freezing nights
- Jun78° / 47°Mild
- Jul87° / 54°Hot
- Aug85° / 52°Mild
- Sep75° / 44°Freezing nights
- Oct60° / 32°Freezing nights
- Nov47° / 22°Freezing nights
- Dec37° / 15°Freezing nights
Each month shows the average high and low across the state’s reference stations, in F. Mild means an average high of 60 to 85 F with lows of 40 F or more. Freezing nights means the stations average one or more nights a month at or below 32 F.
Casperelevation 5,338 ft
| Month | Average high | Average low | Nights at or below 32 F |
|---|---|---|---|
| January | 35 F | 15 F | 29.2 |
| February | 38 F | 15 F | 26 |
| March | 49 F | 23 F | 26.1 |
| April | 56 F | 28 F | 21.1 |
| May | 67 F | 37 F | 7.5 |
| June (mild) | 80 F | 45 F | 0.3 |
| July | 89 F | 53 F | 0 |
| August | 87 F | 51 F | 0 |
| September (mild) | 76 F | 42 F | 2.8 |
| October | 60 F | 31 F | 16.7 |
| November | 46 F | 22 F | 24.4 |
| December | 35 F | 15 F | 28.9 |
Cheyenneelevation 6,128 ft
| Month | Average high | Average low | Nights at or below 32 F |
|---|---|---|---|
| January | 40 F | 18 F | 28.9 |
| February | 41 F | 18 F | 26 |
| March | 49 F | 25 F | 25.3 |
| April | 55 F | 31 F | 18 |
| May (mild) | 64 F | 40 F | 5 |
| June (mild) | 77 F | 49 F | 0.1 |
| July (mild) | 84 F | 56 F | 0 |
| August (mild) | 82 F | 54 F | 0 |
| September (mild) | 73 F | 46 F | 1.2 |
| October | 59 F | 34 F | 12.8 |
| November | 48 F | 25 F | 24.2 |
| December | 39 F | 18 F | 28.9 |
Sheridanelevation 3,945 ft
| Month | Average high | Average low | Nights at or below 32 F |
|---|---|---|---|
| January | 36 F | 12 F | 30.4 |
| February | 38 F | 14 F | 27.2 |
| March | 49 F | 22 F | 26.7 |
| April | 57 F | 30 F | 18 |
| May | 66 F | 39 F | 5.7 |
| June (mild) | 77 F | 47 F | 0.2 |
| July | 88 F | 54 F | 0 |
| August | 87 F | 52 F | 0.1 |
| September (mild) | 76 F | 43 F | 2.2 |
| October | 60 F | 31 F | 16.6 |
| November | 47 F | 20 F | 27 |
| December | 37 F | 12 F | 30.6 |
How to book a state park campsite in Wyoming
Wyoming State Parks, Historic Sites & Trails takes reservations through Wyoming State Parks reservations. The longest advance booking its page states is 120 days.
How far ahead you can book
Wyoming Residents: Book up to 120 days prior to arrival. Non-Residents: Book up to 113 days prior to arrival.Historic Sites & Trails, read October 18, 2026. Read it at the source
First come, first served sites
During the reservation season, most campsites require reservations. However, there are some first-come, first-served (aka 'walk-in') sites at most locations.Historic Sites & Trails, read October 18, 2026. Read it at the source
When the campgrounds are open
Outside of reservation season, all sites remain open and are first-come, first-served.Historic Sites & Trails, read October 18, 2026. Read it at the source
Cancellations
Campsite* cancellations must be completed at least two full calendar days before your scheduled arrival date.Historic Sites & Trails, read October 18, 2026. Read it at the source
Quoted from Wyoming State Parks, Historic Sites & Trails pages read October 18, 2026. Windows and fees change, so confirm on the booking site.
Camping outside a campground in Wyoming
Most BLM lands allow dispersed camping unless an area is posted “Closed to Camping” or has specific restrictions for land use or conservation.Bureau of Land Management, read October 18, 2026. Read it at the source
Campfires when you camp in Wyoming
The campfire rule for Wyoming is on the Wyoming campfire page, with live fire weather alerts.
Wyoming camping questions
Camping in other states
Where this page’s facts come from
- State park, forestry and federal land pages (read October 18, 2026). Booking windows, reservation systems, campfire rules, fire restriction sources and rules for camping outside a campground, each quoted word for word with a link to the page it came from.
- NOAA NCEI U.S. Climate Normals 1991 to 2020 (read October 18, 2026). Average monthly high, low and nights at or below 32 F at 150 reference stations, the same stations the heat season and heating season pages use.
- National Weather Service alerts (live, read in your browser when the page loads). Red Flag Warnings, Fire Weather Watches, Fire Warnings, Freeze Warnings and High Wind Warnings, read live from api.weather.gov.
- National Weather Service 7 day forecast (live, read in your browser when the page loads). The weekend forecast for the ZIP code a visitor enters, read live from api.weather.gov.
Climate figures are NOAA 1991 to 2020 normals at 3 reference stations in Wyoming. Rules are quoted from agency pages and can change.