Best time to visit Devils Postpile National Monument
June, September and October are the best balance at Devils Postpile National Monument: mild and dry for the park (average highs 61° to 71°F), with crowds from quiet to moderate. August is busiest, with about 33,000 visitors. October is the quietest. January, February, March, April, May, November and December see 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
- Mammoth Lakes RS, CA USC00045280
- Lat / lon
- 37.65, -118.96
- Elevation
- 7,804 ft
- From park center
- 7.2 mi
- Second station
- Yosemite Park HQ, CA 4,018 ft
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Apr | May | Junbest | Jul | Aug | Sepbest | Octbest | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 41° | 41° | 46° | 51° | 60° | 70° | 78° | 77° | 71° | 61° | 49° | 41° | 57° |
| Low, °F | 17° | 18° | 22° | 27° | 35° | 42° | 49° | 47° | 40° | 30° | 23° | 17° | 31° |
| High at 4,018 ft, °F | 48° | 51° | 57° | 63° | 71° | 81° | 89° | 89° | 83° | 71° | 56° | 46° | 67° |
| Precipitation, in | 4.2 | 3.8 | 3.3 | 1.5 | 1.5 | 0.5 | 0.5 | 0.5 | 0.5 | 1.4 | 2.0 | 4.1 | 23.7 |
| Snow, in | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Daylight, h:mm | 9:50 | 10:44 | 11:50 | 13:07 | 14:10 | 14:45 | 14:31 | 13:37 | 12:23 | 11:09 | 10:06 | 9:35 | |
| Visitors, thousands | 0 | 0 | 0 | 0 | 0 | 11 | 28 | 33 | 16 | 6 | 0 | 0 | 93 |
| Crowds | Few or no visits | Few or no visits | Few or no visits | Few or no visits | Few or no visits | Moderate | Very busy | Very busy | Moderate | Quiet | Few or no visits | Few or no visits | |
| Weather | Cool | Cool | Cool | Cool | Mild | Mild | Mild | Mild | Mild | Mild | Cool | Cool |
| Month | High °F | Low °F | High at 4,018 ft | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|---|
| January | 41° | 17° | 48° | 4.2 | – | 9:50 | 0 | Few or no visits | Cool |
| February | 41° | 18° | 51° | 3.8 | – | 10:44 | 0 | Few or no visits | Cool |
| March | 46° | 22° | 57° | 3.3 | – | 11:50 | 2 | Few or no visits | Cool |
| April | 51° | 27° | 63° | 1.5 | – | 13:07 | 0 | Few or no visits | Cool |
| May | 60° | 35° | 71° | 1.5 | – | 14:10 | 80 | Few or no visits | Mild |
| Junebest | 70° | 42° | 81° | 0.5 | – | 14:45 | 11,000 | Moderate | Mild |
| July | 78° | 49° | 89° | 0.5 | – | 14:31 | 28,000 | Very busy | Mild |
| August | 77° | 47° | 89° | 0.5 | – | 13:37 | 33,000 | Very busy | Mild |
| Septemberbest | 71° | 40° | 83° | 0.5 | – | 12:23 | 16,000 | Moderate | Mild |
| Octoberbest | 61° | 30° | 71° | 1.4 | – | 11:09 | 5,600 | Quiet | Mild |
| November | 49° | 23° | 56° | 2.0 | – | 10:06 | 31 | Few or no visits | Cool |
| December | 41° | 17° | 46° | 4.1 | – | 9:35 | 0 | Few or no visits | Cool |
| Year | 57° | 31° | 67° | 23.7 | – | 93,000 | |||
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 78°F
- Coldest nights January, average low 17°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 93,000 (2023–2025 average)
- State California
Elevation matters here: the record's second station, Yosemite Park HQ, CA, sits at 4,018 ft, against 7,804 ft for Mammoth Lakes RS, CA. Expect conditions between the two depending on where you go.
Closures, reservations and alerts: Devils Postpile National Monument on nps.gov
Nearby
- Yosemite National ParkBest: May and Oct · California
- Kings Canyon National ParkBest: May, Sep and Oct · California
- Manzanar National Historic SiteBest: Apr · California
- Sequoia National ParkBest: May, Jun and Oct · California