Stewartville, CA
Unincorporated community in Contra Costa County, California
Stewartville is a small unincorporated community in Contra Costa County, California. It is 3.5 miles NE of Antioch, the nearest town. Its ZIP code is 94509.
Stewartville at a glance
- State
- California
- County
- Contra Costa County
- ZIP code
- 94509
- Nearest town
- Antioch (3.5 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 37.9464, -121.8475
Weather in Stewartville now
Loading the National Weather Service forecast…
Stewartville weather by the hour
Stewartville weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Stewartville.
This week in Stewartville
Sunrise, sunset and moon in Stewartville
What is the weather usually like in Stewartville?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 91°F average high
- Januarycoldest month · 40°F average low
- 12.6 inprecipitation per year · 320 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Stewartville: April to June and October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ANTIOCH PUMPING PLT #3, CA US (USC00040232), adjusted for the elevation of Stewartville.
Stewartville weather month by month
Sunrise and sunset in Stewartville through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:20 AM | 5:13 PM | 9 h 53 min |
| February | 6:55 AM | 5:47 PM | 10 h 52 min |
| March | 7:16 AM | 7:15 PM | 11 h 59 min |
| April | 6:30 AM | 7:44 PM | 13 h 14 min |
| May | 5:55 AM | 8:12 PM | 14 h 16 min |
| June | 5:42 AM | 8:33 PM | 14 h 50 min |
| July | 5:55 AM | 8:30 PM | 14 h 35 min |
| August | 6:21 AM | 8:01 PM | 13 h 40 min |
| September | 6:48 AM | 7:16 PM | 12 h 28 min |
| October | 7:14 AM | 6:31 PM | 11 h 16 min |
| November | 6:46 AM | 4:57 PM | 10 h 10 min |
| December | 7:14 AM | 4:50 PM | 9 h 35 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Stewartville?
Stewartville has a cold semi-arid climate. The warmest month is July, with an average high of 91°F (33°C), and the coldest is January, with average lows of 40°F (5°C).
It gets about 12.6 inches (320 mm) of precipitation a year. The wettest month is January and the driest is July.
The best time to visit Stewartville is April to June 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 Stewartville
The closest live webcam is Antioch › West: TV839 - SR-4 : Contra Loma Blvd - L Street, 3.9 miles N of Stewartville.
Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from Stewartville.
Do you know Stewartville? Tell us about it
Help other travelers: share what makes Stewartville special. We review every message before publishing it.
Map of Stewartville, CA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Stewartville 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 Stewartville
Other communities near Stewartville
Questions about Stewartville
Where is Stewartville, CA?
Stewartville is an unincorporated community in Contra Costa County, California, 3.5 miles NE of Antioch.
What county is Stewartville in?
Stewartville is in Contra Costa County, California.
What is the ZIP code of Stewartville, CA?
The ZIP code for Stewartville is 94509.
What is the nearest town to Stewartville?
Antioch, 3.5 miles away.
Are there webcams near Stewartville?
Yes. The closest is Antioch › West: TV839 - SR-4 : Contra Loma Blvd - L Street, 3.9 miles away.
What is the hottest month in Stewartville?
July, with an average high of 91°F (33°C).
What is the coldest month in Stewartville?
January, with an average low of 40°F (5°C).
How much does it rain in Stewartville?
About 12.6 inches (320 mm) a year; the wettest month is January.
Does it snow in Stewartville?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Stewartville?
April to June and October, when temperatures are most pleasant and rainy days are fewer.
What climate does Stewartville have?
Cold semi-arid (Köppen BSk).
Last updated: