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The warmest places in North America in May: ranked by average high temperature

Ciudad Obregón tops the list at 36 °C in May. Ranked from 1991–2020 climate normals across 50 destinations in North America.

Top three in May: Ciudad Obregón (36 °C) , Mexicali (36 °C) , Mérida (36 °C) . Between first and 50th place the avg high differs by 4.8 °C.

# Destination Country Avg high Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Ciudad Obregón Mexico 36 °C 36 °C 19 °C 1 mm 0 399 h –
2 Mexicali Mexico 36 °C 36 °C 19 °C 1 mm 0 406 h –
3 Mérida Mexico 36 °C 36 °C 24 °C 52 mm 8 366 h –
4 Culiacán Mexico 36 °C 36 °C 20 °C 1 mm 0 391 h –
5 Campeche Mexico 35 °C 35 °C 25 °C 51 mm 8 365 h 29 °C
6 Hermosillo Mexico 35 °C 35 °C 18 °C 0 mm 0 401 h –
7 San Luis Río Colorado Mexico 35 °C 35 °C 19 °C 1 mm 0 404 h –
8 Phoenix United States 35 °C 35 °C 19 °C 4 mm 1 402 h –
9 Villahermosa Mexico 35 °C 35 °C 25 °C 102 mm 12 357 h –
10 Mesa United States 35 °C 35 °C 18 °C 4 mm 1 403 h –
11 Torreón Mexico 35 °C 35 °C 21 °C 8 mm 2 389 h –
12 Nuevo Laredo Mexico 34 °C 34 °C 23 °C 66 mm 7 351 h –
13 Tuxtepec Mexico 34 °C 34 °C 25 °C 115 mm 14 358 h –
14 Monclova Mexico 34 °C 34 °C 21 °C 33 mm 8 369 h –
15 Los Mochis Mexico 34 °C 34 °C 19 °C 0 mm 0 394 h 25 °C
16 Piedras Negras Mexico 33 °C 33 °C 22 °C 74 mm 8 330 h –
17 Ciudad del Carmen Mexico 33 °C 33 °C 26 °C 61 mm 9 363 h 29 °C
18 Reynosa Mexico 33 °C 33 °C 23 °C 51 mm 6 361 h –
19 Managua Nicaragua 33 °C 33 °C 25 °C 152 mm 15 330 h –
20 San Miguel El Salvador 33 °C 33 °C 25 °C 249 mm 23 334 h –
21 Tucson United States 33 °C 33 °C 17 °C 3 mm 1 404 h –
22 Ciudad Acuña Mexico 33 °C 33 °C 21 °C 62 mm 8 330 h –
23 Veracruz Mexico 33 °C 33 °C 25 °C 43 mm 8 370 h 27 °C
24 Tuxtla Mexico 32 °C 32 °C 22 °C 145 mm 17 348 h –
25 Coatzacoalcos Mexico 32 °C 32 °C 25 °C 75 mm 10 364 h 28 °C
26 Ciudad Victoria Mexico 32 °C 32 °C 21 °C 92 mm 12 377 h –
27 Guadalajara Mexico 32 °C 32 °C 17 °C 16 mm 4 378 h –
28 Zapopan Mexico 32 °C 32 °C 17 °C 13 mm 3 377 h –
29 Dessalines Haiti 32 °C 32 °C 23 °C 167 mm 20 359 h –
30 Acapulco de Juárez Mexico 32 °C 32 °C 24 °C 35 mm 6 379 h 29 °C
31 La Paz Mexico 32 °C 32 °C 19 °C 1 mm 0 395 h 23 °C
32 Bayamo Cuba 32 °C 32 °C 22 °C 178 mm 19 346 h –
33 San Pedro Sula Honduras 32 °C 32 °C 24 °C 137 mm 20 342 h –
34 Chihuahua Mexico 32 °C 32 °C 16 °C 13 mm 3 402 h –
35 Belmopan Belize 32 °C 32 °C 24 °C 94 mm 16 339 h –
36 Ciudad Apodaca Mexico 32 °C 32 °C 20 °C 52 mm 8 364 h –
37 Puerto Vallarta Mexico 32 °C 32 °C 21 °C 16 mm 3 370 h 26 °C
38 Zamora de Hidalgo Mexico 32 °C 32 °C 16 °C 38 mm 8 375 h –
39 Poza Rica de Hidalgo Mexico 32 °C 32 °C 23 °C 105 mm 12 353 h –
40 Henderson United States 32 °C 32 °C 18 °C 3 mm 1 407 h –
41 Ciudad Juárez Mexico 32 °C 32 °C 16 °C 8 mm 2 411 h –
42 Salamanca Mexico 32 °C 32 °C 16 °C 35 mm 6 380 h –
43 Port-au-Prince Haiti 31 °C 31 °C 24 °C 222 mm 22 357 h 29 °C
44 Chetumal Mexico 31 °C 31 °C 25 °C 93 mm 15 356 h 29 °C
45 Ciudad Lázaro Cárdenas Mexico 31 °C 31 °C 23 °C 12 mm 2 376 h 28 °C
46 Irapuato Mexico 31 °C 31 °C 16 °C 35 mm 6 382 h –
47 Camagüey Cuba 31 °C 31 °C 22 °C 154 mm 16 348 h –
48 Las Tunas Cuba 31 °C 31 °C 23 °C 158 mm 18 346 h –
49 Guantánamo Cuba 31 °C 31 °C 23 °C 127 mm 16 347 h –
50 Pinar del Río Cuba 31 °C 31 °C 23 °C 113 mm 14 378 h –

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

April: top 5

  1. Nuuk -2.4 °C
  2. Saint-Pierre 2.4 °C
  3. Anchorage 5.1 °C
  4. Halifax 7.4 °C
  5. Québec 8.4 °C

Full ranking for April

June: top 5

  1. Nuuk 8.8 °C
  2. Saint-Pierre 9.0 °C
  3. Anchorage 16 °C
  4. Halifax 17 °C
  5. Victoria 18 °C

Full ranking for June

How this ranking is built

What is ranked
The average daily high temperature, in °C, in May, highest 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 population.
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.