Best time to visit City of Rocks National Reserve
April, September and October have the mildest temperatures at City of Rocks National Reserve, though they are among the wetter months. June is busiest, with about 17,000 visitors. March is the quietest, with highs near 54°F. February sees few or no visitors, so parts of the park may be closed: check nps.gov.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Oakley, ID USC00106542
- Lat / lon
- 42.23, -113.90
- Elevation
- 4,559 ft
- From park center
- 15.2 mi
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Aprbest | May | Jun | Jul | Aug | Sepbest | Octbest | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 40° | 45° | 54° | 60° | 69° | 78° | 86° | 86° | 77° | 64° | 50° | 39° | 62° |
| Low, °F | 21° | 24° | 30° | 34° | 42° | 48° | 57° | 56° | 47° | 37° | 28° | 21° | 37° |
| Precipitation, in | 0.8 | 0.7 | 1.1 | 1.6 | 2.0 | 1.1 | 0.7 | 0.7 | 1.1 | 0.9 | 0.8 | 0.8 | 12.3 |
| Snow, in | 5.7 | 5.0 | 4.2 | 2.0 | 0.2 | 0 | 0 | 0 | 0 | 0.6 | 2.2 | 5.2 | 25.1 |
| Daylight, h:mm | 9:25 | 10:30 | 11:48 | 13:17 | 14:32 | 15:14 | 14:57 | 13:52 | 12:26 | 11:00 | 9:44 | 9:07 | |
| Visitors, thousands | 1 | 1 | 2 | 5 | 13 | 17 | 12 | 11 | 13 | 9 | 5 | 2 | 91 |
| Crowds | Quiet | Few or no visits | Quiet | Quiet | Busy | Very busy | Busy | Busy | Busy | Busy | Quiet | Quiet | |
| Weather | Cold | Cool | Cool | Mild, wet | Mild, wet | Mild, wet | Hot | Hot | Mild, wet | Mild, wet | Cool | Cold |
| Month | High °F | Low °F | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|
| January | 40° | 21° | 0.8 | 5.7 | 9:25 | 1,100 | Quiet | Cold |
| February | 45° | 24° | 0.7 | 5.0 | 10:30 | 998 | Few or no visits | Cool |
| March | 54° | 30° | 1.1 | 4.2 | 11:48 | 1,800 | Quiet | Cool |
| Aprilbest | 60° | 34° | 1.6 | 2.0 | 13:17 | 4,700 | Quiet | Mild, wet |
| May | 69° | 42° | 2.0 | 0.2 | 14:32 | 13,000 | Busy | Mild, wet |
| June | 78° | 48° | 1.1 | 0 | 15:14 | 17,000 | Very busy | Mild, wet |
| July | 86° | 57° | 0.7 | 0 | 14:57 | 12,000 | Busy | Hot |
| August | 86° | 56° | 0.7 | 0 | 13:52 | 11,000 | Busy | Hot |
| Septemberbest | 77° | 47° | 1.1 | 0 | 12:26 | 13,000 | Busy | Mild, wet |
| Octoberbest | 64° | 37° | 0.9 | 0.6 | 11:00 | 9,400 | Busy | Mild, wet |
| November | 50° | 28° | 0.8 | 2.2 | 9:44 | 4,700 | Quiet | Cool |
| December | 39° | 21° | 0.8 | 5.2 | 9:07 | 2,500 | Quiet | Cold |
| Year | 62° | 37° | 12.3 | 25.1 | 91,000 | |||
Year: average high and low, total precipitation and snowfall, total visitors. T = trace (under 0.05 in). – = not measured at this station. Updated .
- Hottest July, average high 86°F
- Coldest nights December, average low 21°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 91,000 (2023–2025 average)
- State Idaho
Closures, reservations and alerts: City of Rocks National Reserve on nps.gov
Nearby
- Golden Spike National Historical ParkBest: Jun and Sep · Utah
- Craters of the Moon National MonumentBest: Aug and Sep · Idaho
- Timpanogos Cave National MonumentBest: Jun and Sep · Utah
- Grand Teton National ParkBest: Jun, Aug and Sep · Wyoming