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The warmest places in North America in July

Mexicali tops the list at 43 °C in July. Ranked from 1991–2020 climate normals across 50 destinations.

# Destination Country Avg high Avg high Rainfall
1 Mexicali Mexico 43 °C 43 °C 5 mm
2 San Luis Río Colorado Mexico 42 °C 42 °C 4 mm
3 Phoenix United States 41 °C 41 °C 18 mm
4 Mesa United States 41 °C 41 °C 18 mm
5 Henderson United States 40 °C 40 °C 8 mm
6 Las Vegas United States 39 °C 39 °C 7 mm
7 Spring Valley United States 39 °C 39 °C 7 mm
8 Hermosillo Mexico 39 °C 39 °C 39 mm
9 Ciudad Obregón Mexico 37 °C 37 °C 58 mm
10 Nuevo Laredo Mexico 37 °C 37 °C 45 mm
11 Tucson United States 37 °C 37 °C 34 mm
12 Fresno United States 37 °C 37 °C 1 mm
13 Piedras Negras Mexico 37 °C 37 °C 51 mm
14 Bakersfield United States 36 °C 36 °C 1 mm
15 Ciudad Acuña Mexico 36 °C 36 °C 44 mm
16 Modesto United States 36 °C 36 °C 0 mm
17 Reynosa Mexico 36 °C 36 °C 58 mm
18 Los Mochis Mexico 35 °C 35 °C 52 mm
19 Ciudad Juárez Mexico 35 °C 35 °C 32 mm
20 Lancaster United States 35 °C 35 °C 4 mm
21 Sacramento United States 35 °C 35 °C 0 mm
22 Fort Worth United States 35 °C 35 °C 43 mm
23 La Paz Mexico 35 °C 35 °C 23 mm
24 Austin United States 35 °C 35 °C 45 mm
25 Arlington United States 35 °C 35 °C 42 mm
26 Dallas United States 35 °C 35 °C 44 mm
27 San Antonio United States 35 °C 35 °C 53 mm
28 Dessalines Haiti 34 °C 34 °C 99 mm
29 Mérida Mexico 34 °C 34 °C 80 mm
30 Monclova Mexico 34 °C 34 °C 61 mm
31 Culiacán Mexico 34 °C 34 °C 135 mm
32 Oklahoma City United States 34 °C 34 °C 60 mm
33 Plano United States 34 °C 34 °C 49 mm
34 Palmdale United States 34 °C 34 °C 16 mm
35 Guantánamo Cuba 34 °C 34 °C 71 mm
36 Shreveport United States 34 °C 34 °C 71 mm
37 Port-au-Prince Haiti 34 °C 34 °C 114 mm
38 Bayamo Cuba 34 °C 34 °C 117 mm
39 Ciudad Apodaca Mexico 34 °C 34 °C 45 mm
40 Campeche Mexico 34 °C 34 °C 101 mm
41 Boise United States 34 °C 34 °C 3 mm
42 Stockton United States 34 °C 34 °C 0 mm
43 Elk Grove United States 34 °C 34 °C 0 mm
44 Torreón Mexico 33 °C 33 °C 41 mm
45 Tulsa United States 33 °C 33 °C 83 mm
46 Cypress United States 33 °C 33 °C 80 mm
47 Lubbock United States 33 °C 33 °C 33 mm
48 Carrefour Haiti 33 °C 33 °C 115 mm
49 San Bernardino United States 33 °C 33 °C 10 mm
50 Ciudad Benito Juárez Mexico 33 °C 33 °C 53 mm

Only destinations with a published page for that month are ranked. The ranking is ours; the underlying values are reproduced from the source.

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.