Average Rainfall at Cities in California During January





The tables below give monthly averages for rainfall during January 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

January averages for total rainfall
Days Place Inches Milli­metres
10 Antioch 2.7 68
12 Berkeley 5.0 126
13 Chico 4.9 123
11 Concord 3.5 90
13 Davis 3.9 100
11 Fairfield 4.8 121
11 Fremont 3.1 78
8 Fresno 2.2 56
11 Hayward 3.3 84
10 Livermore 2.9 73
8 Madera 2.2 56
11 Merced 2.6 66
10 Modesto 2.6 66
12 Napa 5.1 130
11 Newark 3.0 75
11 Oakland 4.7 120
Days Place Inches Milli­metres
11 Palo Alto 3.1 78
12 Petaluma 4.9 125
9 Porterville 2.1 53
13 Redding 6.0 151
10 Redwood City 4.0 102
10 Richmond 4.8 123
10 Sacramento 3.6 92
12 San Francisco 4.5 114
10 San Jose 3.1 78
13 San Rafael 7.0 177
14 Santa Rosa 5.9 151
11 Stockton 3.4 87
12 Tracy 2.5 64
9 Turlock 2.5 63
11 Vacaville 5.3 135
11 Watsonville 4.5 113
11 Woodland 4.5 114

Southern California

Average monthly precipitation in January
Days Place Inches Milli­metres
7 Anaheim 2.9 73
7 Bakersfield 1.2 29
6 Burbank 3.5 90
5 Chula Vista 1.9 49
2 El Centro 0.5 12
6 Escondido 3.0 77
Fullerton 3.0 77
Irvine 2.9 74
5 Lancaster 1.5 38
6 Long Beach 2.6 66
6 Los Angeles 3.1 79
6 Oceanside 2.0 51
Ontario 3.3 84
6 Oxnard 3.5 89
5 Palmdale 1.4 36
7 Pasadena 4.5 115
5 Pomona 3.1 79
6 Riverside 2.1 53
9 Salinas 2.6 66
6 San Bernardino 3.2 80
7 San Diego 2.0 50
9 San Luis Obispo 5.0 126
6 Santa Ana 2.8 72
7 Santa Barbara 4.4 111
Thousand Oaks 3.9 99
6 Torrance 3.3 83
5 Victorville 1.1 28
7 Visalia 1.9 49
Reference

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

California City
Rainfall
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