Tassajara, CA
Unincorporated community in Contra Costa County, California
Tassajara is a small unincorporated community in Contra Costa County, California. It is 1.3 miles W of Camino Tassajara, the nearest town. Its ZIP code is 94588.
Tassajara at a glance
- State
- California
- County
- Contra Costa County
- ZIP code
- 94588
- Nearest town
- Camino Tassajara (1.3 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 37.7958, -121.8625
Weather in Tassajara now
Loading the National Weather Service forecast…
Tassajara weather by the hour
Tassajara weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Tassajara.
This week in Tassajara
Sunrise, sunset and moon in Tassajara
What is the weather usually like in Tassajara?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 83°F average high
- Decembercoldest month · 41°F average low
- 26.1 inprecipitation per year · 662 mm
- 0.7 insnowfall per year · 2 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Tassajara: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MT DIABLO JUNCTION, CA US (USC00045915), adjusted for the elevation of Tassajara.
Tassajara weather month by month
Sunrise and sunset in Tassajara 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 | 8:11 PM | 14 h 16 min |
| June | 5:43 AM | 8:32 PM | 14 h 49 min |
| July | 5:56 AM | 8:30 PM | 14 h 34 min |
| August | 6:21 AM | 8:01 PM | 13 h 39 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 | 4:51 PM | 9 h 36 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Tassajara?
Tassajara has a hot-summer mediterranean climate. The warmest month is August, with an average high of 83°F (28°C), and the coldest is December, with average lows of 41°F (5°C).
It gets about 26.1 inches (662 mm) of precipitation a year. The wettest month is December and the driest is July.
The best time to visit Tassajara 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 Tassajara
The closest live webcam is I-680 · Just North Of Bollinger Canyon, 6.1 miles SW of Tassajara.
Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from Tassajara.
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Map of Tassajara, CA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Tassajara Street View
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Open in Google Maps ›Towns near Tassajara
Other communities near Tassajara
Questions about Tassajara
Where is Tassajara, CA?
Tassajara is an unincorporated community in Contra Costa County, California, 1.3 miles W of Camino Tassajara.
What county is Tassajara in?
Tassajara is in Contra Costa County, California.
What is the ZIP code of Tassajara, CA?
The ZIP code for Tassajara is 94588.
What is the nearest town to Tassajara?
Camino Tassajara, 1.3 miles away.
Are there webcams near Tassajara?
Yes. The closest is I-680 · Just North Of Bollinger Canyon, 6.1 miles away.
What is the hottest month in Tassajara?
August, with an average high of 83°F (28°C).
What is the coldest month in Tassajara?
December, with an average low of 41°F (5°C).
How much does it rain in Tassajara?
About 26.1 inches (662 mm) a year; the wettest month is December.
Does it snow in Tassajara?
Rarely: less than an inch in an average year.
When is the best time to visit Tassajara?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Tassajara have?
Hot-summer mediterranean (Köppen Csa).
Last updated: