Best time to visit Lassen Volcanic National Park
May, September and October are the best balance at Lassen Volcanic: mild and dry for the park (average highs 59° to 72°F), with crowds from moderate to busy. July is busiest, with about 103,000 visitors. March is the quietest, with highs near 46°F.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Manzanita Lake, CA USC00045311
- Lat / lon
- 40.54, -121.58
- Elevation
- 5,750 ft
- From park center
- 9.5 mi
- Second station
- Burney, CA 3,198 ft
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Apr | Maybest | Jun | Jul | Aug | Sepbest | Octbest | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 41° | 42° | 46° | 50° | 61° | 70° | 79° | 78° | 72° | 59° | 47° | 40° | 57° |
| Low, °F | 22° | 22° | 24° | 28° | 35° | 41° | 46° | 45° | 41° | 33° | 26° | 22° | 32° |
| High at 3,198 ft, °F | 45° | 49° | 55° | 62° | 72° | 81° | 90° | 88° | 82° | 68° | 52° | 44° | 65° |
| Precipitation, in | 6.5 | 5.5 | 6.4 | 4.3 | 2.9 | 1.3 | 0.3 | 0.3 | 0.7 | 2.7 | 4.7 | 6.5 | 42.1 |
| Snow, in | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Daylight, h:mm | 9:34 | 10:36 | 11:49 | 13:13 | 14:24 | 15:03 | 14:48 | 13:47 | 12:25 | 11:03 | 9:52 | 9:17 | |
| Visitors, thousands | 7 | 6 | 6 | 8 | 31 | 70 | 103 | 69 | 66 | 44 | 9 | 7 | 427 |
| Crowds | Quiet | Quiet | Quiet | Quiet | Moderate | Busy | Very busy | Busy | Busy | Moderate | Quiet | Quiet | |
| Weather | Cool | Cool | Cool | Cool | Mild | Mild | Mild | Mild | Mild | Mild | Cool | Cold |
| Month | High °F | Low °F | High at 3,198 ft | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|---|
| January | 41° | 22° | 45° | 6.5 | – | 9:34 | 6,700 | Quiet | Cool |
| February | 42° | 22° | 49° | 5.5 | – | 10:36 | 6,300 | Quiet | Cool |
| March | 46° | 24° | 55° | 6.4 | – | 11:49 | 6,100 | Quiet | Cool |
| April | 50° | 28° | 62° | 4.3 | – | 13:13 | 8,100 | Quiet | Cool |
| Maybest | 61° | 35° | 72° | 2.9 | – | 14:24 | 31,000 | Moderate | Mild |
| June | 70° | 41° | 81° | 1.3 | – | 15:03 | 70,000 | Busy | Mild |
| July | 79° | 46° | 90° | 0.3 | – | 14:48 | 103,000 | Very busy | Mild |
| August | 78° | 45° | 88° | 0.3 | – | 13:47 | 69,000 | Busy | Mild |
| Septemberbest | 72° | 41° | 82° | 0.7 | – | 12:25 | 66,000 | Busy | Mild |
| Octoberbest | 59° | 33° | 68° | 2.7 | – | 11:03 | 44,000 | Moderate | Mild |
| November | 47° | 26° | 52° | 4.7 | – | 9:52 | 9,400 | Quiet | Cool |
| December | 40° | 22° | 44° | 6.5 | – | 9:17 | 6,900 | Quiet | Cold |
| Year | 57° | 32° | 65° | 42.1 | – | 427,000 | |||
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 79°F
- Coldest nights February, average low 22°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 427,000 (2023–2025 average)
- State California
Elevation matters here: the record's second station, Burney, CA, sits at 3,198 ft, against 5,750 ft for Manzanita Lake, CA. Expect conditions between the two depending on where you go.
Closures, reservations and alerts: Lassen Volcanic National Park on nps.gov
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