Updated October 2026
Portola Redwoods State Park: Weather by Month and When to Go
Portola Redwoods State Park is a state park in California. The USGS Protected Areas Database maps about 2,700 acres under its name. Average highs range from 54°F in December to 81°F in July and August.
Average highs sit between 60°F and 80°F in April through June and September through November. They run above 80°F in July and August and below 60°F in December through March. The figures are NOAA climate normals for 1991–2020, measured at a weather station 3.8 miles from the park.
Warmest average high
81°F
July and August
Coldest average low
40°F
February and December
Most precipitation
8.4 in
December
Longest days
14.6 h
June
Portola Redwoods State Park weather by month
| Month | Average high | Average low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 55°F | 41°F | 7.8 in | 9.7 h |
| February | 55°F | 40°F | 8.0 in | 10.6 h |
| March | 58°F | 41°F | 6.3 in | 11.7 h |
| April | 62°F | 43°F | 3.4 in | 13.0 h |
| May | 67°F | 47°F | 1.3 in | 14.0 h |
| June | 75°F | 52°F | 0.4 in | 14.6 h |
| July | 81°F | 58°F | 0.0 in | 14.3 h |
| August | 81°F | 59°F | 0.1 in | 13.4 h |
| September | 79°F | 57°F | 0.2 in | 12.2 h |
| October | 71°F | 52°F | 1.7 in | 11.0 h |
| November | 60°F | 44°F | 4.6 in | 10.0 h |
| December | 54°F | 40°F | 8.4 in | 9.4 h |
Temperature and precipitation figures are NOAA climate normals for 1991–2020 from station USC00048273, the nearest station with a complete set of temperature normals, 3.8 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. The acreage is what the USGS Protected Areas Database maps under the park's name. The state's own figure can differ, because the database may hold part of a park under another name.
What the averages show
- Temperature. July and August are the warmest months, each with an average high of 81°F. February and December are the coldest months, each with an average low of 40°F.
- Precipitation. December is the wettest month, averaging 8.4 inches of precipitation, and July is the driest, at 0.0 inches. An average year brings about 42.2 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 9.4 hours of daylight in December to 14.6 hours in June.
Camping, trails, maps and fees
Whether Portola Redwoods 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 Portola Redwoods 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 Portola Redwoods State Park
Where to stay near Portola Redwoods State Park
Hotels, cabins and vacation rentals near Portola Redwoods State Park, with live availability and prices.
Top-rated places to stay near Portola Redwoods State Park
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Frequently Asked Questions
July and August are the warmest months, each with an average high of 81°F. February and December are the coldest months, each with an average low of 40°F. These are NOAA 1991–2020 climate normals from a weather station 3.8 miles from the park.
Average highs sit between 60°F and 80°F in April through June and September through November. They run above 80°F in July and August and below 60°F in December through March.
December is the wettest month, averaging 8.4 inches of precipitation, and July is the driest, at 0.0 inches. An average year brings about 42.2 inches in total. The station has no snowfall normal, so no snowfall figure is available.
Days run from about 9.4 hours of daylight in December to 14.6 hours in June. The hours are calculated for the park's latitude.
Nearest National Park Service sites
- San Francisco Maritime National Historical Park40 miles away
- Eugene O'Neill National Historic Site40 miles away
- Fort Point National Historic Site41 miles away
Nearby state parks
- Big Basin Redwoods State Park7 miles away
- San Gregorio State Beach11 miles away
- Henry Cowell Redwoods State Park16 miles away
- Wilder Ranch State Park19 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 and acreage; the official California state park listing for the park's name.