Union Hill, CA

Unincorporated community in Nevada County, California

Union Hill is a small unincorporated community in Nevada County, California. It is 1.3 miles NW of Grass Valley, the nearest town. Its ZIP code is 95945.

Union Hill at a glance

State
California
County
Nevada County
ZIP code
95945
Nearest town
Grass Valley (1.3 mi)
Time zone
America/Los Angeles
Coordinates
39.2056, -121.0375

Weather in Union Hill now

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Union Hill weather by the hour

Union Hill weather for the next 7 days

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

This week in Union Hill

Sunrise, sunset and moon in Union Hill

What is the weather usually like in Union Hill?

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

Average high and low temperature (°F)

28°44°61°77°93°54°33°Jan55°34°Feb58°37°Mar63°40°Apr71°47°May80°53°Jun88°58°Jul87°57°Aug82°52°Sep72°44°Oct60°37°Nov53°33°Dec

Average precipitation (inches)

9.3"Jan9.0"Feb8.2"Mar4.4"Apr2.5"May0.7"Jun0.0"Jul0.1"Aug0.4"Sep2.6"Oct5.5"Nov10.5"Dec

Best time to visit Union Hill: June and August to October, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GRASS VALLEY #2, CA US (USC00043573), adjusted for the elevation of Union Hill.

Union Hill weather month by month

January
54° 33°F
9.3 in of rain · 10 wet days❄ 0.7 in of snow
February
55° 34°F
9.0 in of rain · 9 wet days❄ 3.0 in of snow
March
58° 37°F
8.2 in of rain · 10 wet days❄ 3.0 in of snow
April
63° 40°F
4.4 in of rain · 6 wet days❄ 0.5 in of snow
May
71° 47°F
2.5 in of rain · 4 wet days
June
80° 53°F
0.7 in of rain · 1 wet days
July
88° 58°F
0.0 in of rain · under 1 wet day
August
87° 57°F
0.1 in of rain · under 1 wet day
September
82° 52°F
0.4 in of rain · 1 wet days
October
72° 44°F
2.6 in of rain · 3 wet days
November
60° 37°F
5.5 in of rain · 7 wet days❄ 0.2 in of snow
December
53° 33°F
10.5 in of rain · 10 wet days❄ 1.2 in of snow

Sunrise and sunset in Union Hill through the year

MonthSunriseSunsetDaylight
January7:20 AM5:07 PM9 h 46 min
February6:53 AM5:42 PM10 h 48 min
March7:13 AM7:12 PM11 h 59 min
April6:25 AM7:42 PM13 h 17 min
May5:48 AM8:12 PM14 h 23 min
June5:35 AM8:33 PM14 h 58 min
July5:49 AM8:31 PM14 h 42 min
August6:16 AM8:00 PM13 h 44 min
September6:44 AM7:13 PM12 h 29 min
October7:12 AM6:26 PM11 h 13 min
November6:46 AM4:51 PM10 h 4 min
December7:15 AM4:43 PM9 h 28 min

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

What is the weather like in Union Hill?

Union Hill has a hot-summer mediterranean climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is December, with average lows of 33°F (0°C).

It gets about 53.2 inches (1,351 mm) of precipitation a year. The wettest month is December and the driest is July. Snow is common: about 9 inches fall in an average year.

The best time to visit Union Hill is June and August to 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 Union Hill

The closest live webcam is Grass Valley › North: Hwy 20 at Dorsey Dr EB, 1.7 miles N of Union Hill.

Grass Valley › North: Hwy 20 at Dorsey Dr EBGrass Valley · 1.7 mi NOn Windy
SR-20 · Hwy 20 at Dorsey Dr EBSR-20 North · Grass Valley · 1.7 mi N
Grass Valley: Hwy 20 at Dorsey Dr WBGrass Valley · 1.7 mi NOn Windy
SR-20 · Hwy 20 at Dorsey Dr WBSR-20 · Grass Valley · 1.7 mi N
Grass Valley › North-west: Sierra College Nevada County CampusGrass Valley · 2.2 mi NOn Windy
Grass Valley › North-west: Sierra College Nevada County Campus - Robert Ross WayGrass Valley · 2.2 mi NOn Windy
Colfax › East: Hwy 80 atColfax · 8.9 mi SEOn Windy
I-80 · Hwy 80 at ColfaxI-80 East · Colfax · 8.9 mi SE
Penn Valley: Hwy 20 at Pleasant Valley RdPenn Valley · 9.0 mi WOn Windy

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

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Map of Union Hill, CA

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

Union Hill Street View

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Towns near Union Hill

Other communities near Union Hill

Questions about Union Hill

Where is Union Hill, CA?

Union Hill is an unincorporated community in Nevada County, California, 1.3 miles NW of Grass Valley.

What county is Union Hill in?

Union Hill is in Nevada County, California.

What is the ZIP code of Union Hill, CA?

The ZIP code for Union Hill is 95945.

What is the nearest town to Union Hill?

Grass Valley, 1.3 miles away.

Are there webcams near Union Hill?

Yes. The closest is Grass Valley › North: Hwy 20 at Dorsey Dr EB, 1.7 miles away.

What is the hottest month in Union Hill?

July, with an average high of 88°F (31°C).

What is the coldest month in Union Hill?

December, with an average low of 33°F (0°C).

How much does it rain in Union Hill?

About 53.2 inches (1,351 mm) a year; the wettest month is December.

Does it snow in Union Hill?

Yes, about 9 inches of snow fall in an average year.

When is the best time to visit Union Hill?

June and August to October, when temperatures are most pleasant and rainy days are fewer.

What climate does Union Hill have?

Hot-summer mediterranean (Köppen Csa).

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