Thoman, CA

Unincorporated community in Napa County, California

Thoman is a small unincorporated community in Napa County, California. It is 1.8 miles NW of St. Helena, the nearest town. Its ZIP code is 94573.

Thoman at a glance

State
California
County
Napa County
ZIP code
94573
Nearest town
St. Helena (1.8 mi)
Time zone
America/Los Angeles
Coordinates
38.4911, -122.4508

Weather in Thoman now

Loading the National Weather Service forecast…

Thoman weather by the hour

Thoman weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Thoman.

This week in Thoman

Sunrise, sunset and moon in Thoman

What is the weather usually like in Thoman?

Csa
Hot-summer Mediterranean climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

35°50°65°79°94°59°40°Jan62°42°Feb67°44°Mar72°46°Apr78°51°May85°54°Jun89°56°Jul89°56°Aug87°54°Sep78°49°Oct66°44°Nov58°40°Dec

Average precipitation (inches)

6.5"Jan6.7"Feb5.0"Mar2.0"Apr1.3"May0.4"Jun0.0"Jul0.0"Aug0.1"Sep1.6"Oct3.2"Nov7.2"Dec

Best time to visit Thoman: May–June and September–October, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SAINT HELENA, CA US (USC00047643), adjusted for the elevation of Thoman.

Thoman weather month by month

January
59° 40°F
6.5 in of rain · 8 wet days
February
62° 42°F
6.7 in of rain · 8 wet days
March
67° 44°F
5.0 in of rain · 7 wet days
April
72° 46°F
2.0 in of rain · 3 wet days
May
78° 51°F
1.3 in of rain · 2 wet days
June
85° 54°F
0.4 in of rain · 1 wet days
July
89° 56°F
0.0 in of rain · under 1 wet day
August
89° 56°F
0.0 in of rain · under 1 wet day
September
87° 54°F
0.1 in of rain · under 1 wet day
October
78° 49°F
1.6 in of rain · 2 wet days
November
66° 44°F
3.2 in of rain · 5 wet days
December
58° 40°F
7.2 in of rain · 9 wet days

Sunrise and sunset in Thoman through the year

MonthSunriseSunsetDaylight
January7:24 AM5:14 PM9 h 50 min
February6:58 AM5:49 PM10 h 50 min
March7:18 AM7:18 PM11 h 59 min
April6:31 AM7:47 PM13 h 16 min
May5:56 AM8:15 PM14 h 19 min
June5:43 AM8:37 PM14 h 53 min
July5:56 AM8:34 PM14 h 38 min
August6:23 AM8:05 PM13 h 42 min
September6:50 AM7:19 PM12 h 28 min
October7:17 AM6:33 PM11 h 15 min
November6:50 AM4:58 PM10 h 7 min
December7:18 AM4:51 PM9 h 32 min

Times for the 15th of each month, local time (America/Los Angeles).

What is the weather like in Thoman?

Thoman has a hot-summer mediterranean climate. The warmest month is August, with an average high of 89°F (32°C), and the coldest is December, with average lows of 40°F (4°C).

It gets about 34.0 inches (863 mm) of precipitation a year. The wettest month is December and the driest is July.

The best time to visit Thoman is May–June and September–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 Thoman

The closest live webcam is US-101 · SR-12, 14.9 miles W of Thoman.

US-101 · SR-12US-101 South · Santa Rosa · 14.9 mi W
US-101 · S101 at Cleveland AvUS-101 South · Santa Rosa · 15.1 mi W
Santa Rosa › North: TV145 - US-101 : AT BICENTENNIAL WAYSanta Rosa · 15.1 mi WOn Windy
US-101 · AT BICENTENNIAL WAYUS-101 North · Santa Rosa · 15.1 mi W
Santa Rosa › South: TV141 - US-101 : College AvenueSanta Rosa · 15.1 mi WOn Windy
US-101 · College AvenueUS-101 South · Santa Rosa · 15.1 mi W
Santa Rosa › South: TV129 - US-101 : AT BAKER AVESanta Rosa · 15.2 mi WOn Windy
US-101 · AT BAKER AVEUS-101 South · Santa Rosa · 15.2 mi W
Fulton › South: TV147 - US-101 : South Of River RoadFulton · 15.9 mi WOn Windy

Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from Thoman.

Do you know Thoman? Tell us about it

Help other travelers: share what makes Thoman special. We review every message before publishing it.

Map of Thoman, CA

Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Thoman Street View

Loading 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 Thoman

Other communities near Thoman

Questions about Thoman

Where is Thoman, CA?

Thoman is an unincorporated community in Napa County, California, 1.8 miles NW of St. Helena.

What county is Thoman in?

Thoman is in Napa County, California.

What is the ZIP code of Thoman, CA?

The ZIP code for Thoman is 94573.

What is the nearest town to Thoman?

St. Helena, 1.8 miles away.

Are there webcams near Thoman?

Yes. The closest is US-101 · SR-12, 14.9 miles away.

What is the hottest month in Thoman?

August, with an average high of 89°F (32°C).

What is the coldest month in Thoman?

December, with an average low of 40°F (4°C).

How much does it rain in Thoman?

About 34.0 inches (863 mm) a year; the wettest month is December.

Does it snow in Thoman?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit Thoman?

May–June and September–October, when temperatures are most pleasant and rainy days are fewer.

What climate does Thoman have?

Hot-summer mediterranean (Köppen Csa).

Last updated: