Rio Dell, CA
Unincorporated community in Sonoma County, California
Rio Dell is a small unincorporated community in Sonoma County, California. It is 1.4 miles SE of Forestville, the nearest town. Its ZIP code is 95436.
Rio Dell at a glance
- State
- California
- County
- Sonoma County
- ZIP code
- 95436
- Nearest town
- Forestville (1.4 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 38.4992, -122.9061
Weather in Rio Dell now
Loading the National Weather Service forecast…
Rio Dell weather by the hour
Rio Dell weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Rio Dell.
This week in Rio Dell
Sunrise, sunset and moon in Rio Dell
What is the weather usually like in Rio Dell?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 84°F average high
- Decembercoldest month · 37°F average low
- 33.8 inprecipitation per year · 858 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Rio Dell: May to July and October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SANTA ROSA SONOMA CO AP, CA US (USW00023213), adjusted for the elevation of Rio Dell.
Rio Dell weather month by month
Sunrise and sunset in Rio Dell through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:25 AM | 5:16 PM | 9 h 50 min |
| February | 7:00 AM | 5:51 PM | 10 h 50 min |
| March | 7:20 AM | 7:20 PM | 11 h 59 min |
| April | 6:33 AM | 7:49 PM | 13 h 16 min |
| May | 5:58 AM | 8:17 PM | 14 h 19 min |
| June | 5:45 AM | 8:39 PM | 14 h 53 min |
| July | 5:58 AM | 8:36 PM | 14 h 38 min |
| August | 6:24 AM | 8:07 PM | 13 h 42 min |
| September | 6:52 AM | 7:21 PM | 12 h 28 min |
| October | 7:19 AM | 6:34 PM | 11 h 15 min |
| November | 6:52 AM | 5:00 PM | 10 h 7 min |
| December | 7:20 AM | 4:53 PM | 9 h 32 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Rio Dell?
Rio Dell has a warm-summer mediterranean climate. The warmest month is August, with an average high of 84°F (29°C), and the coldest is December, with average lows of 37°F (3°C).
It gets about 33.8 inches (858 mm) of precipitation a year. The wettest month is December and the driest is July.
The best time to visit Rio Dell is May to July and October. 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 Rio Dell
The closest live webcam is Windsor › North: TV152 - US-101 : AT SHILOH RD, 6.5 miles E of Rio Dell.
Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from Rio Dell.
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Map of Rio Dell, CA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Rio Dell Street View
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Open in Google Maps ›Towns near Rio Dell
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Questions about Rio Dell
Where is Rio Dell, CA?
Rio Dell is an unincorporated community in Sonoma County, California, 1.4 miles SE of Forestville.
What county is Rio Dell in?
Rio Dell is in Sonoma County, California.
What is the ZIP code of Rio Dell, CA?
The ZIP code for Rio Dell is 95436.
What is the nearest town to Rio Dell?
Forestville, 1.4 miles away.
Are there webcams near Rio Dell?
Yes. The closest is Windsor › North: TV152 - US-101 : AT SHILOH RD, 6.5 miles away.
What is the hottest month in Rio Dell?
August, with an average high of 84°F (29°C).
What is the coldest month in Rio Dell?
December, with an average low of 37°F (3°C).
How much does it rain in Rio Dell?
About 33.8 inches (858 mm) a year; the wettest month is December.
Does it snow in Rio Dell?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Rio Dell?
May to July and October, when temperatures are most pleasant and rainy days are fewer.
What climate does Rio Dell have?
Warm-summer mediterranean (Köppen Csb).
Last updated: