Average Rainfall at Cities in California During December





The tables below give monthly averages for rainfall during December at cities in California.

Each place has a total for the amount of precipitation it usually receives this month. Most places also have information on the number of days with wet weather. This includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

The cities are sorted into separate tables for Southern California and Northern California.

Northern California

December averages for total rainfall
Days Place Inches Milli­metres
8 Antioch 2.4 61
11 Berkeley 5.0 128
9 Chico 4.6 117
10 Concord 3.4 86
12 Davis 3.5 90
10 Fairfield 5.1 129
11 Fremont 2.8 72
8 Fresno 1.8 45
13 Hayward 3.1 79
10 Livermore 2.6 66
7 Madera 1.9 49
10 Merced 2.1 53
9 Modesto 2.0 52
12 Napa 5.2 133
10 Newark 2.6 65
10 Oakland 4.5 114
Days Place Inches Milli­metres
10 Palo Alto 3.0 75
13 Petaluma 4.9 125
8 Porterville 1.7 43
12 Redding 6.3 159
9 Redwood City 3.8 98
9 Richmond 4.6 117
10 Sacramento 3.3 83
12 San Francisco 4.6 116
10 San Jose 2.6 66
11 San Rafael 7.6 193
13 Santa Rosa 6.2 157
9 Stockton 3.1 77
11 Tracy 2.2 56
9 Turlock 2.0 52
10 Vacaville 5.2 133
10 Watsonville 4.3 108
10 Woodland 3.7 93

Southern California

Average monthly precipitation in December
Days Place Inches Milli­metres
6 Anaheim 2.0 51
6 Bakersfield 1.0 26
5 Burbank 2.4 61
5 Chula Vista 1.4 36
2 El Centro 0.4 10
6 Escondido 2.1 54
Fullerton 2.1 52
Irvine 2.4 61
4 Lancaster 1.2 29
5 Long Beach 2.0 50
5 Los Angeles 2.3 59
5 Oceanside 1.6 40
Ontario 2.3 59
4 Oxnard 2.5 64
4 Palmdale 1.2 31
6 Pasadena 3.1 80
4 Pomona 2.5 62
4 Riverside 1.5 37
9 Salinas 1.9 49
5 San Bernardino 2.4 61
6 San Diego 1.5 39
8 San Luis Obispo 3.7 94
6 Santa Ana 2.1 53
6 Santa Barbara 3.0 77
Thousand Oaks 2.4 60
6 Torrance 2.1 53
4 Victorville 1.0 26
6 Visalia 1.7 44
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

California City
Rainfall
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