Sibley Volcanic Regional Preserve
About
Sibley Volcanic Regional Preserve is a park managed by the East Bay Regional Park District, about 2.6 miles from the town of Orinda, California. Late summer into early fall is the most comfortable time to visit. Typical averages from a nearby weather station in Berkeley show highs around 75 to 76°F from August through September, with only a day or two of rain each month. Winter is cooler and wetter, with highs near 59°F and about 11 wet days a month in December and January. Several trails start close by. The Skyline Trail and Quarry Trail are each about 0.4 miles away, and the Volcanic Trail is about half a mile off. Mountain bikers can head to the Caldecott Flow, roughly a mile away.
Park size
679 acres
Inside this park
Facts about this place
When to go
Best time to go: Feb–Nov. The mildest months here, with typical highs of 62–76°F and lows of 44–54°F.
Typical monthly averages (not a forecast) from the Berkeley, CA weather station, 3.5 mi away. High / low in °F, and days with snow.
- Jan59° high43° low
- Feb62° high44° low
- Mar65° high46° low
- Apr67° high47° low
- May70° high49° low
- Jun74° high52° low
- Jul74° high53° low
- Aug75° high54° low
- Sep76° high54° low
- Oct73° high52° low
- Nov65° high47° low
- Dec59° high43° low
Where it is
- Sibley Volcanic Regional Preserve · Public land
- Nearest town
- Orinda, California · 2.6 mi
Source: NIFC Jurisdictional Units; USGS GNIS populated places
Nearby
- Skyline TrailHiking0.4 mi
Quarry TrailHikingPhoto: shanghaijim2, CC BY 2.0 (via Flickr)0.4 mi
Volcanic TrailHikingPhoto: vonguard, CC BY-SA 2.0 (via Flickr)0.5 mi- Caldecott FlowMountain biking1 mi
- Grizzly Peak BouldersRock climbing2.8 mi
- Main RockRock climbing3 mi
- Short Traverse RockRock climbing3 mi
- Diagonal Traverse RockRock climbing3 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Best time to visit Sibley Volcanic Regional Preserve
Best months: Year-round. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
59° / 43°
11 wet
Feb
62° / 44°
10 wet
Mar
65° / 46°
10 wet
Apr
67° / 47°
7 wet
May
70° / 49°
3 wet
Jun
74° / 52°
1 wet
Jul
74° / 53°
0 wet
Aug
75° / 54°
1 wet
Sep
76° / 54°
1 wet
Oct
73° / 52°
3 wet
Nov
65° / 47°
7 wet
Dec
59° / 43°
11 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Berkeley, CA, 3.5 mi away at 310 ft. We don't have this place's elevation, so higher spots nearby can run cooler. Source: NOAA NCEI U.S. Climate Normals 1991–2020.