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The driest places in North America in July: ranked by rainfall

Modesto tops the list at 0.2 mm in July. Ranked from 1991–2020 climate normals across 50 destinations in North America.

Top three in July: Modesto (0.2 mm) , Stockton (0.2 mm) , Santa Rosa (0.3 mm) . Between first and 50th place the rainfall differs by 17 mm.

# Destination Country Rainfall Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Modesto United States 0.2 mm 36 °C 18 °C 0 mm 0 430 h –
2 Stockton United States 0.2 mm 34 °C 16 °C 0 mm 0 430 h –
3 Santa Rosa United States 0.3 mm 30 °C 14 °C 0 mm 0 429 h –
4 Elk Grove United States 0.4 mm 34 °C 16 °C 0 mm 0 431 h –
5 Sacramento United States 0.4 mm 35 °C 16 °C 0 mm 0 431 h –
6 Windhoek Namibia 0.4 mm 21 °C 5.9 °C 0 mm 0 314 h –
7 Oakland United States 0.5 mm 26 °C 14 °C 0 mm 0 420 h –
8 San Francisco United States 0.5 mm 21 °C 13 °C 0 mm 0 420 h 13 °C
9 Bakersfield United States 0.6 mm 36 °C 23 °C 1 mm 0 429 h –
10 Sunnyvale United States 0.7 mm 28 °C 15 °C 1 mm 0 423 h 14 °C
11 San Jose United States 0.8 mm 29 °C 15 °C 1 mm 0 423 h –
12 Salinas United States 0.8 mm 23 °C 13 °C 1 mm 0 414 h 14 °C
13 Fremont United States 0.9 mm 28 °C 15 °C 1 mm 0 426 h –
14 Ensenada Mexico 1.1 mm 27 °C 20 °C 1 mm 0 420 h 19 °C
15 Anaheim United States 1.2 mm 28 °C 17 °C 1 mm 0 423 h 20 °C
16 Huntington Beach United States 1.2 mm 25 °C 17 °C 1 mm 0 421 h 20 °C
17 Fresno United States 1.5 mm 37 °C 21 °C 1 mm 0 429 h –
18 Long Beach United States 1.7 mm 27 °C 17 °C 2 mm 0 422 h 20 °C
19 Ontario United States 1.7 mm 32 °C 18 °C 2 mm 0 424 h –
20 Oceanside United States 1.8 mm 24 °C 18 °C 2 mm 0 420 h 21 °C
21 Pomona United States 1.9 mm 31 °C 18 °C 2 mm 1 423 h –
22 Tijuana Mexico 1.9 mm 24 °C 18 °C 2 mm 0 416 h 20 °C
23 Los Angeles United States 2.0 mm 31 °C 18 °C 2 mm 0 423 h 20 °C
24 Riverside United States 2.1 mm 33 °C 19 °C 2 mm 1 425 h –
25 Fontana United States 2.1 mm 33 °C 19 °C 2 mm 1 426 h –
26 San Diego United States 2.3 mm 24 °C 17 °C 2 mm 1 416 h 20 °C
27 Oxnard United States 2.4 mm 24 °C 17 °C 2 mm 0 424 h 19 °C
28 Boise United States 2.7 mm 34 °C 18 °C 3 mm 1 437 h –
29 Santa Clarita United States 2.8 mm 32 °C 19 °C 3 mm 1 428 h –
30 Glendale United States 3.2 mm 31 °C 17 °C 3 mm 1 427 h –
31 Escondido United States 3.7 mm 28 °C 18 °C 4 mm 1 421 h 21 °C
32 Lancaster United States 3.8 mm 35 °C 20 °C 4 mm 1 428 h –
33 San Luis Río Colorado Mexico 4.2 mm 42 °C 27 °C 4 mm 1 415 h –
34 Mexicali Mexico 4.9 mm 43 °C 28 °C 5 mm 1 417 h –
35 Las Vegas United States 6.5 mm 39 °C 26 °C 7 mm 2 420 h –
36 Spring Valley United States 7.1 mm 39 °C 25 °C 7 mm 2 421 h –
37 Reno United States 7.9 mm 32 °C 17 °C 8 mm 2 427 h –
38 Henderson United States 8.2 mm 40 °C 27 °C 8 mm 2 418 h –
39 Salem United States 8.4 mm 29 °C 14 °C 8 mm 2 415 h –
40 Eugene United States 9.1 mm 28 °C 13 °C 9 mm 2 418 h –
41 San Bernardino United States 10 mm 33 °C 19 °C 10 mm 2 426 h –
42 Moreno Valley United States 11 mm 32 °C 19 °C 11 mm 2 425 h –
43 Salt Lake City United States 11 mm 33 °C 18 °C 11 mm 3 438 h –
44 Portland United States 13 mm 28 °C 14 °C 13 mm 3 409 h –
45 Spokane United States 13 mm 31 °C 16 °C 13 mm 3 449 h –
46 Victoria Canada 15 mm 21 °C 14 °C 15 mm 3 426 h 12 °C
47 Palmdale United States 16 mm 34 °C 19 °C 16 mm 3 429 h –
48 Tacoma United States 16 mm 25 °C 14 °C 16 mm 3 398 h –
49 Vancouver United States 17 mm 28 °C 14 °C 17 mm 3 406 h –
50 Cabo San Lucas Mexico 17 mm 31 °C 26 °C 17 mm 3 394 h 26 °C

Monthly values for the month named in the ranking; only destinations with a published climate page are ranked. Download this ranking as CSV.

The same ranking one month earlier and later

June: top 5

  1. Mexicali 0.2 mm
  2. Windhoek 0.4 mm
  3. San Luis Río Colorado 0.6 mm
  4. Ensenada 1.0 mm
  5. Lancaster 1.2 mm

Full ranking for June

August: top 5

  1. Bakersfield 0.03 mm
  2. Oxnard 0.3 mm
  3. Windhoek 0.3 mm
  4. Anaheim 0.4 mm
  5. Fresno 0.4 mm

Full ranking for August

How this ranking is built

What is ranked
Total precipitation, in mm, in July, lowest first.
Period
1991–2020 climate normals: the same 30 years for every destination, so the list compares like with like.
Who is included
50 destinations in North America with a published climate page. Neighbouring places that share a climate series are shown once.
Ties
Equal values are ordered by fewest wet days.
Sources
ERA5 / ERA5-Land reanalysis via Open-Meteo; sea temperature from NOAA OISST v2.1. Measured values are reproduced unchanged; only the ordering is ours.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: ranking order, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.