January
January visitability 41, crowd 12, value 45.
This page lists month windows for City Of Rocks National Reserve from the checked-in NPS snapshot and the dated source cards on the page.
Answer Brief
January visitability 41, crowd 12, value 45.
February visitability 43, crowd 12, value 47.
March visitability 48, crowd 16, value 52.
April visitability 53, crowd 28, value 55.
May visitability 57, crowd 46, value 56.
June visitability 57, crowd 72, value 55.
July visitability 60, crowd 90, value 55.
August visitability 60, crowd 86, value 56.
September visitability 59, crowd 70, value 57.
October visitability 57, crowd 38, value 57.
November visitability 50, crowd 18, value 53.
December visitability 43, crowd 12, value 47.
Read the NPS Sounds methodology and about NPS Sounds for how month windows are assembled.
Data Behind This Reading
City Of Rocks National Reserve is identified as National Reserve with NPS code ciro.
SourceOfficial alerts should be verified on the NPS page. This site uses a checked-in snapshot, not a live operations feed.
SourceCity of Rocks is located in south-central Idaho within the northern edge of the Basin and Range geologic province. Outdoor recreation can be pleasant from April through October. Summers are generally dry with 10 to 15 inches of precipitation in winter and spring. Summer temperatures range widely with night time lows occasionally approaching freezing and midday highs nearing 100° F; however, the typical range of low and high temperature is 45-85. Thunderstorms are common in the summer months (June - August)
Sourcebest_time page source cards come from the data snapshot October 27, 2026.
SourceNational Monument & Preserve
Best primary window for Craters Of The Moon: July, with August and September as strong shoulder months.
National Monument
Best primary window for Hagerman Fossil Beds: July, with August and September as strong shoulder months.
National Historic Site
Best primary window for Minidoka: July, with August and September as strong shoulder months.
National Historical Park
Best primary window for Nez Perce: July, with August and September as strong shoulder months.