Mount Shasta Climate and Average Weather
Climate of Mount Shasta: average temperatures, rainfall and seasons month by month.
Climate in Mount Shasta 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 | 10° | -3° | 9,5 in | ★☆☆☆☆ |
| February | 6° | -5° | 13,4 in | ★☆☆☆☆ |
| March | 11° | -2° | 9,6 in | ★☆☆☆☆ |
| April | 16° | -0° | 4,6 in | ★☆☆☆☆ |
| May | 26° | 6° | 2,1 in | ★★☆☆☆ |
| June | 38° | 16° | 0,6 in | ★★★☆☆ |
| July | 50° | 28° | 0,6 in | ★★★☆☆ |
| August | 46° | 26° | 1,3 in | ★★★☆☆ |
| September | 37° | 19° | 2,0 in | ★★☆☆☆ |
| October | 26° | 10° | 3,0 in | ★★☆☆☆ |
| November | 13° | 0° | 10,4 in | ★☆☆☆☆ |
| December | 11° | -0° | 14,4 in | ★☆☆☆☆ |
Climate type: Polar. Source: Open-Meteo archive (ERA5).
Recent extremes in Mount Shasta
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Mount Shasta compares with nearby places
Annual averages, and the difference against Mount Shasta.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Lassen Volcanic National Park | 75 mi | 44°F | +60°F warmer | 47 in |
| Redwood National and State Parks | 95 mi | 52°F | +68°F warmer | 64 in |
| Crater Lake National Park | 101 mi | 42°F | +58°F warmer | 61 in |
| Crater Lake | 106 mi | 42°F | +58°F warmer | 57 in |
| Reno | 180 mi | 54°F | +71°F warmer | 15 in |
Best time to visit Mount Shasta
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Mount Shasta
Today is cooler than average for August. The forecast high of 36°F is 9.4°F below the 46°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
Gusts to 44 mph will push high-sided vehicles on exposed roads and bridges. Overnight lows near 24°F mean ice is possible on bridges before dawn.
At 14.180 ft, air here runs roughly 83°F cooler than the same latitude at sea level.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 69°F.
What to pack, what to skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots with grip for ice
- Avoid high-elevation trails without traction devices - frozen surfaces persist in shade all day.
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 44 mph.
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Mount Shasta is a mountain in California. Mount Shasta is a mountain known as a volcano in northern California. It sits at 14.180 ft above sea level.
Right now it is 31°F (-1°C) in Mount Shasta with clear sky. It feels like 22°F. Today runs from 24°F to 36°F. Chance of precipitation is 1%. Sightseeing conditions score 7/10 - good conditions.
The best time to visit Mount Shasta is June, July and August. The climate is polar. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 50°F, while February is the coldest with lows near -5°F.
The closest major airport is San Francisco International Airport (SFO), about 262 mi away. Nearby highlights include Lassen Volcanic National Park, Redwood National and State Parks, Crater Lake National Park and Crater Lake.
In plain terms. Today is cooler than average for August. The forecast high of 36°F is 9.4°F below the 46°F typical for this month. The best window to be outside is roughly 2 PM to 5 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Mount Shasta today at 10/10. Gusts to 44 mph will push high-sided vehicles on exposed roads and bridges. Overnight lows near 24°F mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Mount Shasta
| Type | Mountain |
|---|---|
| State | California |
| Country | United States |
| Continent | North America |
| Coordinates | 41°24′33.1″N 122°11′41.6″W (41.4092, -122.1949) |
| Elevation | 14.180 ft |
| Known for | a volcano in northern California |
| Local time | 3:38 AM (UTC-07:00) |
| Best months | June, July and August |
| Climate | Polar |
Weather map for Mount Shasta
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Mount Shasta
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Mount Shasta?
Mount Shasta is a mountain in California. Its coordinates are 41.4092, -122.1949. It lies in North America.
What is the weather like in Mount Shasta right now?
It is currently 31°F (-1°C) with clear sky. Humidity is 44% and wind is 8 mph.
When is the best time to visit Mount Shasta?
June, July and August offer the most comfortable conditions in Mount Shasta, which has a polar climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Mount Shasta in?
Mount Shasta observes America/Los_Angeles (UTC-07:00). The local time is 3:38 AM.
What is the nearest airport to Mount Shasta?
The closest airports are San Francisco International Airport (SFO), 262 mi away and Portland International Airport (PDX), 290 mi away.
What are the top things to do in Mount Shasta?
Popular options include Lassen Volcanic National Park, Redwood National and State Parks, Crater Lake National Park, Crater Lake, Lake Tahoe and Emerald Bay State Park.
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| Place data | USPOTUS Atlas dataset (mountains) - 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 August 23, 2026 at 3:38 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
