Island Mountain, CA
Unincorporated community in Humboldt County, California
Island Mountain is a small unincorporated community in Humboldt County, California. It is 11.5 miles NW of Alderpoint, the nearest town. Its ZIP code is 95511.
Island Mountain at a glance
- State
- California
- County
- Humboldt County
- ZIP code
- 95511
- Nearest town
- Alderpoint (11.5 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 40.0264, -123.4892
Weather in Island Mountain now
Loading the National Weather Service forecast…
Island Mountain weather by the hour
Island Mountain weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Island Mountain.
This week in Island Mountain
Sunrise, sunset and moon in Island Mountain
What is the weather usually like in Island Mountain?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 87°F average high
- Decembercoldest month · 38°F average low
- 65.4 inprecipitation per year · 1,662 mm
- 0.2 insnowfall per year · 1 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Island Mountain: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station RICHARDSON GR SP, CA US (USC00047404), adjusted for the elevation of Island Mountain.
Island Mountain weather month by month
Sunrise and sunset in Island Mountain through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:32 AM | 5:14 PM | 9 h 42 min |
| February | 7:04 AM | 5:51 PM | 10 h 46 min |
| March | 7:23 AM | 7:22 PM | 11 h 58 min |
| April | 6:33 AM | 7:53 PM | 13 h 19 min |
| May | 5:56 AM | 8:23 PM | 14 h 27 min |
| June | 5:42 AM | 8:46 PM | 15 h 3 min |
| July | 5:56 AM | 8:43 PM | 14 h 46 min |
| August | 6:24 AM | 8:12 PM | 13 h 47 min |
| September | 6:53 AM | 7:24 PM | 12 h 30 min |
| October | 7:23 AM | 6:35 PM | 11 h 12 min |
| November | 6:58 AM | 4:59 PM | 10 h 0 min |
| December | 7:27 AM | 4:51 PM | 9 h 23 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Island Mountain?
Island Mountain has a warm-summer mediterranean climate. The warmest month is August, with an average high of 87°F (30°C), and the coldest is December, with average lows of 38°F (4°C).
It gets about 65.4 inches (1,662 mm) of precipitation a year. The wettest month is December and the driest is July.
The best time to visit Island Mountain is June to September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Island Mountain
The closest live webcam is Leggett: US-101: 1 JCT - South, 16.1 miles SW of Island Mountain.
Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from Island Mountain.
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Map of Island Mountain, CA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Island Mountain Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Towns near Island Mountain
Other communities near Island Mountain
- Ramsey4.4 mi SE
- Ramsey4.4 mi SE
- Kekawaka5.0 mi N
- Nielson Place7.8 mi E
- Kettenpom9.2 mi N
- Cain Rock9.4 mi NW
- Bob Hoaglin Place9.8 mi NE
- Willie Hoaglin Place10.1 mi NE
- Spyrock10.6 mi S
- Shannon Place11.2 mi NE
- Jim Leggett Place11.9 mi S
- Zenia12.4 mi N
- Zenia12.4 mi N
- Ralph Leggett Place12.5 mi SE
- Ralph Leggett Place12.5 mi SE
Questions about Island Mountain
Where is Island Mountain, CA?
Island Mountain is an unincorporated community in Humboldt County, California, 11.5 miles NW of Alderpoint.
What county is Island Mountain in?
Island Mountain is in Humboldt County, California.
What is the ZIP code of Island Mountain, CA?
The ZIP code for Island Mountain is 95511.
What is the nearest town to Island Mountain?
Alderpoint, 11.5 miles away.
Are there webcams near Island Mountain?
Yes. The closest is Leggett: US-101: 1 JCT - South, 16.1 miles away.
What is the hottest month in Island Mountain?
August, with an average high of 87°F (30°C).
What is the coldest month in Island Mountain?
December, with an average low of 38°F (4°C).
How much does it rain in Island Mountain?
About 65.4 inches (1,662 mm) a year; the wettest month is December.
Does it snow in Island Mountain?
Rarely: less than an inch in an average year.
When is the best time to visit Island Mountain?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Island Mountain have?
Warm-summer mediterranean (Köppen Csb).
Last updated: