Average Annual Precipitation for Cities in California

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The tables below give yearly averages for rainfall at cities in California.

Each place has a total for the amount of precipitation it usually receives in a year. 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 annual precipitation 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.

Southern California

Average yearly precipitation
Days Place Inches Millimetres
33 Anaheim 13.4 341
39 Bakersfield   6.5 164
37 Burbank 17.3 440
32 Chula Vista   9.8 250
13 El Centro   2.9   72
42 Escondido 15.0 381
  – Fullerton 13.9 353
  – Irvine 14.3 364
29 Lancaster   7.4 187
35 Long Beach 12.3 311
36 Los Angeles 14.9 379
33 Oceanside 10.3 262
  – Ontario 15.0 382
35 Oxnard 15.9 404
27 Palmdale   7.4 188
43 Pasadena 21.2 539
27 Pomona 17.2 436
30 Riverside 10.3 262
57 Salinas 12.8 326
38 San Bernardino 16.0 407
42 San Diego 10.3 263
52 San Luis Obispo 23.1 587
36 Santa Ana 13.6 346
39 Santa Barbara 19.4 494
  – Thousand Oaks 16.5 420
35 Torrance 14.5 367
28 Victorville   6.2 156
40 Visalia 10.9 278

Northern California

Annual rainfall averages
Days Place Inches Millimetres
52 Antioch 13.2 336
67 Berkeley 26.7 679
66 Chico 26.7 677
59 Concord 18.1 460
66 Davis 19.6 498
62 Fairfield 24.8 630
65 Fremont 16.7 424
48 Fresno 11.5 292
65 Hayward 18.0 458
61 Livermore 15.2 387
42 Madera 12.2 311
56 Merced 13.0 331
56 Modesto 13.1 333
71 Napa 27.7 704
63 Newark 15.1 383
66 Oakland 24.0 609
59 Palo Alto 16.2 410
73 Petaluma 26.7 677
50 Porterville 11.2 285
82 Redding 34.6 879
59 Redwood City 20.3 516
60 Richmond 24.9 633
60 Sacramento 18.5 470
73 San Francisco 23.7 601
62 San Jose 15.8 402
68 San Rafael 35.2 895
81 Santa Rosa 32.2 818
56 Stockton 17.8 451
60 Tracy 12.9 327
55 Turlock 12.4 316
60 Vacaville 26.1 663
64 Watsonville 23.5 597
62 Woodland 21.3 542
Reference

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

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