Updated October 2026
Emerald Bay State Park: Weather by Month and When to Go
Emerald Bay State Park is a state park in California. Average highs range from 43°F in December through February to 80°F in July and August.
Average highs sit between 60°F and 80°F in May through October. They stay below 60°F in November through April. The figures are NOAA climate normals for 1991–2020, measured at a weather station 6.6 miles from the park.
Warmest average high
80°F
July and August
Coldest average low
18°F
December and January
Most precipitation
3.8 in
February
Longest days
14.7 h
June
Emerald Bay State Park weather by month
| Month | Average high | Average low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 43°F | 18°F | 2.8 in | 9.6 h |
| February | 43°F | 19°F | 3.8 in | 10.5 h |
| March | 48°F | 24°F | 2.9 in | 11.7 h |
| April | 53°F | 28°F | 1.3 in | 13.0 h |
| May | 62°F | 33°F | 1.3 in | 14.1 h |
| June | 72°F | 38°F | 0.6 in | 14.7 h |
| July | 80°F | 43°F | 0.4 in | 14.5 h |
| August | 80°F | 41°F | 0.4 in | 13.5 h |
| September | 73°F | 35°F | 0.3 in | 12.2 h |
| October | 62°F | 29°F | 1.4 in | 10.9 h |
| November | 51°F | 23°F | 1.9 in | 9.8 h |
| December | 43°F | 18°F | 3.5 in | 9.3 h |
Temperature and precipitation figures are NOAA climate normals for 1991–2020 from station USW00093230, the nearest station with a complete set of temperature normals, 6.6 miles from the park. Conditions in the park can differ from the station's, most of all where the two sit at different elevations. Daylight is calculated for the park's latitude at the middle of each month.
What the averages show
- Temperature. July and August are the warmest months, each with an average high of 80°F. December and January are the coldest months, each with an average low of 18°F.
- Precipitation. February is the wettest month, averaging 3.8 inches of precipitation, and September is the driest, at 0.3 inches. An average year brings about 20.6 inches in total.
- Snowfall. The station has no snowfall normal, so snowfall is left out of the table. That is a gap in the station's record, not a sign that it never snows here.
- Daylight. Days run from about 9.3 hours of daylight in December to 14.7 hours in June.
Camping, trails, maps and fees
Whether Emerald Bay State Park has camping or cabins, where its trails run, when it opens and what it charges are all published by the agency that runs the park. Its official page is the place to check before a trip.
Official Emerald Bay State Park page
For the forecast rather than the averages, the National Weather Service issues a point forecast for the park's location.
National Weather Service forecast for Emerald Bay State Park
Where to stay near Emerald Bay State Park
Hotels, cabins and vacation rentals near Emerald Bay State Park, with live availability and prices.
Top-rated places to stay near Emerald Bay State Park
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Frequently Asked Questions
July and August are the warmest months, each with an average high of 80°F. December and January are the coldest months, each with an average low of 18°F. These are NOAA 1991–2020 climate normals from a weather station 6.6 miles from the park.
Average highs sit between 60°F and 80°F in May through October. They stay below 60°F in November through April.
February is the wettest month, averaging 3.8 inches of precipitation, and September is the driest, at 0.3 inches. An average year brings about 20.6 inches in total. The station has no snowfall normal, so no snowfall figure is available.
Days run from about 9.3 hours of daylight in December to 14.7 hours in June. The hours are calculated for the park's latitude.
Nearest National Park Service sites
- Yosemite National Park82 miles away
- Lassen Volcanic National Park127 miles away
- John Muir National Historic Site130 miles away
Nearby state parks
- Donner Memorial State Park26 miles away
- Calaveras Big Trees State Park49 miles away
Distances are measured in a straight line from the park, so the drive is longer.
Sources: NOAA NCEI U.S. Climate Normals 1991–2020; USGS Protected Areas Database for location; the official California state park listing for the park's name.