Stanley, CA
Unincorporated community in Napa County, California
Stanley is a small unincorporated community in Napa County, California. It is 3.6 miles N of Napa, the nearest town. Its ZIP code is 94559.
Stanley at a glance
- State
- California
- County
- Napa County
- ZIP code
- 94559
- Nearest town
- Napa (3.6 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 38.2447, -122.2928
Weather in Stanley now
Loading the National Weather Service forecast…
Stanley weather by the hour
Stanley weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Stanley.
This week in Stanley
Sunrise, sunset and moon in Stanley
What is the weather usually like in Stanley?
Köppen climate classification, calculated from the 1991–2020 normals
- Septemberwarmest month · 80°F average high
- Decembercoldest month · 38°F average low
- 20.2 inprecipitation per year · 514 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Stanley: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station NAPA CO AP, CA US (USW00093227), adjusted for the elevation of Stanley.
Stanley weather month by month
Sunrise and sunset in Stanley through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:22 AM | 5:14 PM | 9 h 51 min |
| February | 6:57 AM | 5:48 PM | 10 h 51 min |
| March | 7:18 AM | 7:17 PM | 11 h 59 min |
| April | 6:31 AM | 7:46 PM | 13 h 15 min |
| May | 5:56 AM | 8:14 PM | 14 h 18 min |
| June | 5:43 AM | 8:35 PM | 14 h 51 min |
| July | 5:56 AM | 8:33 PM | 14 h 36 min |
| August | 6:22 AM | 8:04 PM | 13 h 41 min |
| September | 6:49 AM | 7:18 PM | 12 h 28 min |
| October | 7:17 AM | 6:32 PM | 11 h 15 min |
| November | 6:49 AM | 4:58 PM | 10 h 8 min |
| December | 7:17 AM | 4:51 PM | 9 h 34 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Stanley?
Stanley has a warm-summer mediterranean climate. The warmest month is September, with an average high of 80°F (27°C), and the coldest is December, with average lows of 38°F (3°C).
It gets about 20.2 inches (514 mm) of precipitation a year. The wettest month is January and the driest is July.
The best time to visit Stanley 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 Stanley
The closest live webcam is Napa › South: TV124 - SR-121 : SR-29 - SR-12, 1.1 miles NW of Stanley.
Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from Stanley.
Do you know Stanley? Tell us about it
Help other travelers: share what makes Stanley special. We review every message before publishing it.
Map of Stanley, CA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Stanley 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 Stanley
Other communities near Stanley
Questions about Stanley
Where is Stanley, CA?
Stanley is an unincorporated community in Napa County, California, 3.6 miles N of Napa.
What county is Stanley in?
Stanley is in Napa County, California.
What is the ZIP code of Stanley, CA?
The ZIP code for Stanley is 94559.
What is the nearest town to Stanley?
Napa, 3.6 miles away.
Are there webcams near Stanley?
Yes. The closest is Napa › South: TV124 - SR-121 : SR-29 - SR-12, 1.1 miles away.
What is the hottest month in Stanley?
September, with an average high of 80°F (27°C).
What is the coldest month in Stanley?
December, with an average low of 38°F (3°C).
How much does it rain in Stanley?
About 20.2 inches (514 mm) a year; the wettest month is January.
Does it snow in Stanley?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Stanley?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Stanley have?
Warm-summer mediterranean (Köppen Csb).
Last updated: