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The coolest places in North America in August: ranked by average high temperature

Nuuk tops the list at 11 °C in August. Ranked from 1991–2020 climate normals across 50 destinations in North America.

Top three in August: Nuuk (11 °C) , Saint-Pierre (17 °C) , Anchorage (17 °C) . Between first and 50th place the avg high differs by 14 °C.

# Destination Country Avg high Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Nuuk Greenland 11 °C 11 °C 5.5 °C 80 mm 11 273 h 5.2 °C
2 Saint-Pierre Saint Pierre and Miquelon 17 °C 17 °C 15 °C 100 mm 11 297 h 16 °C
3 Anchorage United States 17 °C 17 °C 11 °C 118 mm 17 299 h 14 °C
4 Toluca Mexico 19 °C 19 °C 9.7 °C 222 mm 26 304 h –
5 Quetzaltenango Guatemala 19 °C 19 °C 13 °C 350 mm 29 304 h –
6 Delegación Cuajimalpa de Morelos Mexico 19 °C 19 °C 10 °C 223 mm 26 306 h –
7 Pachuca de Soto Mexico 20 °C 20 °C 11 °C 111 mm 17 328 h –
8 Magdalena Contreras Mexico 21 °C 21 °C 11 °C 216 mm 25 306 h –
9 Nicolás Romero Mexico 21 °C 21 °C 12 °C 118 mm 18 313 h –
10 Victoria Canada 21 °C 21 °C 14 °C 22 mm 3 391 h 12 °C
11 San Cristóbal de las Casas Mexico 21 °C 21 °C 13 °C 375 mm 24 314 h –
12 Cuautitlán Izcalli Mexico 21 °C 21 °C 12 °C 114 mm 18 314 h –
13 Xico Mexico 22 °C 22 °C 12 °C 306 mm 25 314 h –
14 San Martin Texmelucan de Labastida Mexico 22 °C 22 °C 12 °C 144 mm 21 319 h –
15 Halifax Canada 22 °C 22 °C 17 °C 91 mm 10 303 h 17 °C
16 San Francisco United States 22 °C 22 °C 13 °C 1 mm 0 395 h 14 °C
17 Puebla Mexico 22 °C 22 °C 13 °C 144 mm 20 340 h –
18 Vancouver Canada 23 °C 23 °C 14 °C 72 mm 7 380 h 16 °C
19 Edmonton Canada 23 °C 23 °C 12 °C 60 mm 9 370 h –
20 Richmond Canada 23 °C 23 °C 15 °C 71 mm 7 380 h 16 °C
21 Morelia Mexico 23 °C 23 °C 14 °C 118 mm 21 311 h –
22 Greater Sudbury Canada 23 °C 23 °C 15 °C 92 mm 11 334 h –
23 Calgary Canada 23 °C 23 °C 10 °C 65 mm 9 371 h –
24 Québec Canada 23 °C 23 °C 15 °C 114 mm 13 334 h –
25 Xalapa de Enríquez Mexico 23 °C 23 °C 17 °C 145 mm 22 342 h –
26 Burnaby Canada 23 °C 23 °C 14 °C 73 mm 7 378 h 16 °C
27 Salinas United States 24 °C 24 °C 14 °C 2 mm 0 392 h 14 °C
28 Montréal Canada 24 °C 24 °C 16 °C 100 mm 12 350 h –
29 Cobán Guatemala 24 °C 24 °C 17 °C 299 mm 29 329 h –
30 Guadalupe Mexico 24 °C 24 °C 12 °C 98 mm 12 354 h –
31 Mixco Guatemala 24 °C 24 °C 15 °C 82 mm 14 329 h –
32 Windhoek Namibia 24 °C 24 °C 8.0 °C 0 mm 0 340 h –
33 Surrey Canada 24 °C 24 °C 13 °C 51 mm 6 385 h 16 °C
34 San José Costa Rica 24 °C 24 °C 18 °C 352 mm 28 256 h –
35 Uruapan Mexico 24 °C 24 °C 15 °C 319 mm 29 292 h –
36 Saskatoon Canada 24 °C 24 °C 13 °C 49 mm 7 371 h –
37 Comitán Mexico 25 °C 25 °C 16 °C 223 mm 18 326 h –
38 Kitchener Canada 25 °C 25 °C 15 °C 74 mm 10 346 h –
39 Guatemala City Guatemala 25 °C 25 °C 16 °C 87 mm 15 329 h –
40 Oshawa Canada 25 °C 25 °C 18 °C 76 mm 10 355 h –
41 Laval Canada 25 °C 25 °C 16 °C 91 mm 11 351 h –
42 Cuauhtémoc Mexico 25 °C 25 °C 15 °C 106 mm 15 358 h –
43 Cuernavaca Mexico 25 °C 25 °C 15 °C 247 mm 27 327 h –
44 Jalapa Guatemala 25 °C 25 °C 17 °C 143 mm 21 332 h –
45 Oxnard United States 25 °C 25 °C 18 °C 0 mm 0 397 h 19 °C
46 Ottawa Canada 25 °C 25 °C 16 °C 91 mm 11 340 h –
47 Toronto Canada 25 °C 25 °C 18 °C 65 mm 9 352 h –
48 Tijuana Mexico 25 °C 25 °C 19 °C 2 mm 0 391 h 21 °C
49 Winnipeg Canada 25 °C 25 °C 15 °C 78 mm 10 365 h –
50 Buffalo United States 25 °C 25 °C 18 °C 87 mm 11 352 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

July: top 5

  1. Mexicali 43 °C
  2. San Luis Río Colorado 42 °C
  3. Phoenix 41 °C
  4. Mesa 41 °C
  5. Henderson 40 °C

Full ranking for July

September: top 5

  1. Nuuk 6.8 °C
  2. Anchorage 12 °C
  3. Saint-Pierre 15 °C
  4. Edmonton 18 °C
  5. Victoria 18 °C

Full ranking for September

How this ranking is built

What is ranked
The average daily high temperature, in °C, in August, 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 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.