Best Time to Visit Lassen Volcanic National Park
Best time to visit Lassen Volcanic National Park: June, July and August. Month-by-month temperature, rainfall and crowd guidance.
Best time to visit Lassen Volcanic National Park
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: February, November and December - expect the least comfortable mix of heat, cold or rain.
Climate in Lassen Volcanic National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 38° | 22° | 4,6 in | ★☆☆☆☆ |
| February | 37° | 21° | 10,2 in | ★☆☆☆☆ |
| March | 41° | 25° | 5,9 in | ★★☆☆☆ |
| April | 46° | 27° | 3,3 in | ★★☆☆☆ |
| May | 56° | 34° | 1,6 in | ★★★★☆ |
| June | 71° | 47° | 0,7 in | ★★★★★ |
| July | 78° | 54° | 0,9 in | ★★★★★ |
| August | 75° | 52° | 0,6 in | ★★★★★ |
| September | 67° | 46° | 1,5 in | ★★★★☆ |
| October | 56° | 38° | 1,4 in | ★★★☆☆ |
| November | 43° | 27° | 6,7 in | ★☆☆☆☆ |
| December | 41° | 26° | 9,1 in | ★☆☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
How Lassen Volcanic National Park compares with nearby places
Annual averages, and the difference against Lassen Volcanic National Park.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Mount Shasta | 75 mi | 16°F | 60°F cooler | 71 in |
| Reno | 108 mi | 54°F | +42°F warmer | 14 in |
| Lake Tahoe | 122 mi | 48°F | +36°F warmer | 26 in |
| Nevada | 127 mi | 54°F | +42°F warmer | 15 in |
| Emerald Bay State Park | 127 mi | 47°F | +35°F warmer | 34 in |
What to pack, what to skip
- Layers - the daily swing is 61°F, so mornings feel nothing like afternoons
- If your dates are flexible, avoid February, November and December - historically the least comfortable months here.
Summary
Lassen Volcanic National Park is a national park in California. Lassen Volcanic National Park is a US national park known for hydrothermal basins and a plug dome volcano.
Right now it is 52°F (11°C) in Lassen Volcanic National Park with overcast. It feels like 47°F. Today runs from 52°F to 71°F. Chance of precipitation is 12%. Sightseeing conditions score 8.9/10 - excellent - go now.
The best time to visit Lassen Volcanic National Park is June, July and August. The climate is subarctic. February, November and December tend to be the least comfortable months. July is the warmest month with average highs near 78°F, while February is the coldest with lows near 21°F.
The closest major airport is San Francisco International Airport (SFO), about 205 mi away. Nearby highlights include Mount Shasta, Emerald Bay State Park, Redwood National and State Parks and Crater Lake National Park.
In plain terms. Today is slightly warmer than average for September. The forecast high of 71°F is 4°F above the 67°F typical for this month. The best window to be outside is roughly 12 PM to 3 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Lassen Volcanic National Park today at 9.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Lassen Volcanic National Park right now
Source: Open-Meteo. Updated 12:47 AM, Sep 21 local time.
Weekend outlook
☁️ 67° / 42°
Overcast · 1% rain · wind 14 mph
☁️ 65° / 43°
Overcast · 1% rain · wind 12 mph
Things to do in Lassen Volcanic National Park
Attractions, parks and landmarks in and around Lassen Volcanic National Park.
Quick facts about Lassen Volcanic National Park
| Type | National park |
|---|---|
| State | California |
| Country | United States |
| Continent | North America |
| Coordinates | 40°29′51.7″N 121°25′14.5″W (40.4977, -121.4207) |
| Established | 1916 |
| Known for | hydrothermal basins and a plug dome volcano |
| Local time | 12:47 AM (UTC-07:00) |
| Best months | June, July and August |
| Climate | Subarctic |
Explore Lassen Volcanic National Park
Every topic we hold for this place, and the same topic for the places around it.
Best Time to Visit for related places
Frequently asked questions
Where is Lassen Volcanic National Park?
Lassen Volcanic National Park is a national park in California. Its coordinates are 40.4977, -121.4207. It lies in North America.
What is the weather like in Lassen Volcanic National Park right now?
It is currently 52°F (11°C) with overcast. Humidity is 38% and wind is 3 mph.
When is the best time to visit Lassen Volcanic National Park?
June, July and August offer the most comfortable conditions in Lassen Volcanic National Park, which has a subarctic climate. February, November and December are usually the hardest months for outdoor plans.
What time zone is Lassen Volcanic National Park in?
Lassen Volcanic National Park observes America/Los_Angeles (UTC-07:00). The local time is 12:47 AM.
What is the nearest airport to Lassen Volcanic National Park?
The closest airports are San Francisco International Airport (SFO), 205 mi away.
What are the top things to do in Lassen Volcanic National Park?
Popular options include Mount Shasta, Emerald Bay State Park, Redwood National and State Parks, Crater Lake National Park, Crater Lake and Alcatraz Island.
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| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 21, 2026 at 12:47 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
