Updated October 2026
The Forest of Nisene Marks State Park: Weather by Month and When to Go
The Forest of Nisene Marks State Park is a state park in California. Average highs range from 62°F in December to 77°F in September.
Average highs stay between 60°F and 80°F in every month of the year. The figures are NOAA climate normals for 1991–2020, measured at a weather station 7.4 miles from the park.
Warmest average high
77°F
September
Coldest average low
41°F
December and January
Most precipitation
6.4 in
January
Longest days
14.5 h
June
The Forest of Nisene Marks State Park weather by month
| Month | Average high | Average low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 63°F | 41°F | 6.4 in | 9.7 h |
| February | 64°F | 43°F | 6.1 in | 10.6 h |
| March | 67°F | 44°F | 4.3 in | 11.7 h |
| April | 69°F | 46°F | 2.0 in | 13.0 h |
| May | 71°F | 49°F | 0.9 in | 14.0 h |
| June | 74°F | 52°F | 0.2 in | 14.5 h |
| July | 74°F | 54°F | 0.0 in | 14.3 h |
| August | 76°F | 55°F | 0.0 in | 13.4 h |
| September | 77°F | 53°F | 0.1 in | 12.2 h |
| October | 74°F | 50°F | 1.3 in | 11.0 h |
| November | 67°F | 44°F | 3.2 in | 10.0 h |
| December | 62°F | 41°F | 6.0 in | 9.5 h |
Temperature and precipitation figures are NOAA climate normals for 1991–2020 from station USC00047916, the nearest station with a complete set of temperature normals, 7.4 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. September is the warmest month, with an average high of 77°F and an average low of 53°F. December and January are the coldest months, each with an average low of 41°F.
- Precipitation. January is the wettest month, averaging 6.4 inches of precipitation, and July and August are the driest, at 0.0 inches each. An average year brings about 30.5 inches in total.
- Snowfall. The station's snowfall normal is 0.0 inches in every month.
- Daylight. Days run from about 9.5 hours of daylight in December to 14.5 hours in June.
Camping, trails, maps and fees
Whether The Forest of Nisene Marks 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 The Forest of Nisene Marks 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 The Forest of Nisene Marks State Park
Where to stay near The Forest of Nisene Marks State Park
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Frequently Asked Questions
September is the warmest month, with an average high of 77°F and an average low of 53°F. December and January are the coldest months, each with an average low of 41°F. These are NOAA 1991–2020 climate normals from a weather station 7.4 miles from the park.
Average highs stay between 60°F and 80°F in every month of the year.
January is the wettest month, averaging 6.4 inches of precipitation, and July and August are the driest, at 0.0 inches each. An average year brings about 30.5 inches in total. The station's snowfall normal is 0.0 inches in every month.
Days run from about 9.5 hours of daylight in December to 14.5 hours in June. The hours are calculated for the park's latitude.
Nearest National Park Service sites
- Eugene O'Neill National Historic Site54 miles away
- Pinnacles National Park55 miles away
- San Francisco Maritime National Historical Park60 miles away
Nearby state parks
- New Brighton State Beach5 miles away
- Seacliff State Beach5 miles away
- Henry Cowell Redwoods State Park11 miles away
- Natural Bridges State Beach11 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.