Half Dome Climate and Average Weather
Climate of Half Dome: average temperatures, rainfall and seasons month by month.
Climate in Half Dome 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 | 40° | 12° | 3,8 in | ★☆☆☆☆ |
| February | 38° | 12° | 8,9 in | ★☆☆☆☆ |
| March | 42° | 16° | 6,1 in | ★☆☆☆☆ |
| April | 45° | 18° | 3,6 in | ★★☆☆☆ |
| May | 56° | 27° | 2,3 in | ★★★☆☆ |
| June | 69° | 39° | 0,7 in | ★★★★★ |
| July | 74° | 45° | 0,8 in | ★★★★★ |
| August | 72° | 44° | 1,1 in | ★★★★★ |
| September | 64° | 38° | 2,2 in | ★★★★☆ |
| October | 57° | 30° | 1,1 in | ★★★☆☆ |
| November | 45° | 20° | 3,6 in | ★★☆☆☆ |
| December | 44° | 18° | 4,4 in | ★★☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Recent extremes in Half Dome
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Half Dome compares with nearby places
Annual averages, and the difference against Half Dome.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Kings Canyon National Park | 80 mi | 36°F | 36°F cooler | 32 in |
| Emerald Bay State Park | 89 mi | 47°F | +38°F warmer | 34 in |
| Lake Tahoe | 97 mi | 48°F | +40°F warmer | 26 in |
| Lake Tahoe | 97 mi | 48°F | +40°F warmer | 26 in |
| Nevada | 99 mi | 54°F | +46°F warmer | 15 in |
Best time to visit Half Dome
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and March - expect the least comfortable mix of heat, cold or rain.
What this means for Half Dome
Today is about average for August. The forecast high of 71°F is in line with the 72°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
At 8.839 ft, air here runs roughly 64°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 67°F.
What to pack, what to skip
- Sunglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 58°F, so mornings feel nothing like afternoons
- If your dates are flexible, avoid January, February and March - historically the least comfortable months here.
Summary
Half Dome is a mountain in Yosemite National Park. Half Dome is a mountain known as a granite dome above Yosemite Valley. It sits at 8.839 ft above sea level.
Right now it is 58°F (15°C) in Half Dome with overcast. It feels like 53°F. Today runs from 53°F to 71°F. Chance of precipitation is 1%. Sightseeing conditions score 9.7/10 - excellent - go now.
The best time to visit Half Dome is June, July and August. The climate is subarctic. January, February and March tend to be the least comfortable months. July is the warmest month with average highs near 74°F, while January is the coldest with lows near 12°F.
The closest major airport is San Francisco International Airport (SFO), about 156 mi away. Nearby highlights include Kings Canyon National Park, Emerald Bay State Park, Lake Tahoe and Sequoia National Park.
In plain terms. Today is about average for August. The forecast high of 71°F is in line with the 72°F typical for this month. The best window to be outside is roughly 10 AM to 1 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Half Dome 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.
Quick facts about Half Dome
| Type | Mountain |
|---|---|
| National park | Yosemite National Park |
| Country | United States |
| Continent | North America |
| Coordinates | 37°44′45.2″N 119°31′59.5″W (37.7459, -119.5332) |
| Elevation | 8.839 ft |
| Known for | a granite dome above Yosemite Valley |
| Local time | 8:38 AM (UTC-07:00) |
| Best months | June, July and August |
| Climate | Subarctic |
Weather map for Half Dome
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 Half Dome
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 Half Dome?
Half Dome is a mountain in Yosemite National Park. Its coordinates are 37.7459, -119.5332. It lies in North America.
What is the weather like in Half Dome right now?
It is currently 58°F (15°C) with overcast. Humidity is 43% and wind is 4 mph.
When is the best time to visit Half Dome?
June, July and August offer the most comfortable conditions in Half Dome, which has a subarctic climate. January, February and March are usually the hardest months for outdoor plans.
What time zone is Half Dome in?
Half Dome observes America/Los_Angeles (UTC-07:00). The local time is 8:38 AM.
What is the nearest airport to Half Dome?
The closest airports are San Francisco International Airport (SFO), 156 mi away, Harry Reid International Airport (LAS), 268 mi away and Los Angeles International Airport (LAX), 270 mi away.
What are the top things to do in Half Dome?
Popular options include Kings Canyon National Park, Emerald Bay State Park, Lake Tahoe, Sequoia National Park, Mount Whitney and Pinnacles National Park.
Related articles
Data sources and methodology
| 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 24, 2026 at 8:38 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
