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

Nuuk tops the list at 0.2 °C in October. Ranked from 1991–2020 climate normals across 50 destinations in North America.

Top three in October: Nuuk (0.2 °C) , Anchorage (5.0 °C) , Edmonton (9.6 °C) . Between first and 50th place the avg high differs by 17 °C.

# Destination Country Avg high Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Nuuk Greenland 0.2 °C 0.2 °C -5.4 °C 82 mm 11 161 h 2.6 °C
2 Anchorage United States 5.0 °C 5.0 °C -0.2 °C 105 mm 14 170 h 8.2 °C
3 Edmonton Canada 9.6 °C 9.6 °C 0.7 °C 23 mm 5 232 h –
4 Saskatoon Canada 9.8 °C 9.8 °C 0.9 °C 27 mm 5 227 h –
5 Regina Canada 10 °C 10 °C 1.1 °C 34 mm 6 227 h –
6 Winnipeg Canada 10 °C 10 °C 2.5 °C 47 mm 8 207 h –
7 Saint-Pierre Saint Pierre and Miquelon 11 °C 11 °C 8.6 °C 143 mm 13 211 h 10 °C
8 Calgary Canada 11 °C 11 °C -0.2 °C 26 mm 6 254 h –
9 Greater Sudbury Canada 11 °C 11 °C 4.2 °C 94 mm 12 202 h –
10 Québec Canada 11 °C 11 °C 4.4 °C 126 mm 13 203 h –
11 Montréal Canada 12 °C 12 °C 5.1 °C 112 mm 12 217 h –
12 Victoria Canada 13 °C 13 °C 9.0 °C 106 mm 12 226 h 10 °C
13 Laval Canada 13 °C 13 °C 6.0 °C 107 mm 11 216 h –
14 Ottawa Canada 13 °C 13 °C 6.0 °C 99 mm 11 202 h –
15 Longueuil Canada 13 °C 13 °C 6.2 °C 112 mm 12 217 h –
16 Vancouver Canada 13 °C 13 °C 7.9 °C 238 mm 16 205 h 11 °C
17 Halifax Canada 13 °C 13 °C 8.7 °C 129 mm 10 212 h 13 °C
18 Kitchener Canada 14 °C 14 °C 6.0 °C 81 mm 11 216 h –
19 Richmond Canada 14 °C 14 °C 8.2 °C 234 mm 16 204 h 11 °C
20 Burnaby Canada 14 °C 14 °C 7.7 °C 241 mm 16 204 h 11 °C
21 Surrey Canada 14 °C 14 °C 6.9 °C 170 mm 15 215 h 11 °C
22 Vaughan Canada 14 °C 14 °C 7.1 °C 75 mm 10 219 h –
23 Oshawa Canada 14 °C 14 °C 8.4 °C 85 mm 11 223 h –
24 Markham Canada 14 °C 14 °C 7.4 °C 81 mm 11 217 h –
25 Brampton Canada 14 °C 14 °C 6.8 °C 73 mm 10 218 h –
26 Minneapolis United States 14 °C 14 °C 6.2 °C 70 mm 8 224 h –
27 Mississauga Canada 14 °C 14 °C 7.6 °C 81 mm 11 222 h –
28 London Canada 15 °C 15 °C 7.4 °C 86 mm 12 229 h –
29 Milwaukee United States 15 °C 15 °C 9.6 °C 79 mm 9 236 h –
30 Buffalo United States 15 °C 15 °C 8.9 °C 94 mm 12 222 h –
31 Hamilton Canada 15 °C 15 °C 9.0 °C 83 mm 11 222 h –
32 Seattle United States 15 °C 15 °C 7.9 °C 129 mm 15 219 h –
33 Madison United States 15 °C 15 °C 7.0 °C 72 mm 8 230 h –
34 Rochester United States 15 °C 15 °C 8.7 °C 105 mm 13 222 h –
35 Tacoma United States 15 °C 15 °C 8.1 °C 112 mm 13 220 h –
36 Grand Rapids United States 15 °C 15 °C 7.9 °C 88 mm 11 230 h –
37 Sioux Falls United States 15 °C 15 °C 5.7 °C 61 mm 7 248 h –
38 Worcester United States 16 °C 16 °C 7.9 °C 101 mm 10 235 h –
39 Detroit United States 16 °C 16 °C 8.7 °C 69 mm 9 240 h –
40 Spokane United States 16 °C 16 °C 5.1 °C 45 mm 7 261 h –
41 Boston United States 16 °C 16 °C 8.5 °C 108 mm 10 239 h 14 °C
42 Springfield United States 16 °C 16 °C 8.0 °C 108 mm 9 238 h –
43 Cleveland United States 16 °C 16 °C 9.6 °C 87 mm 12 242 h –
44 Chicago United States 16 °C 16 °C 9.5 °C 86 mm 9 246 h –
45 Providence United States 17 °C 17 °C 8.9 °C 105 mm 9 239 h –
46 Aurora United States 17 °C 17 °C 8.1 °C 83 mm 9 235 h –
47 Akron United States 17 °C 17 °C 8.4 °C 81 mm 11 233 h –
48 Toledo United States 17 °C 17 °C 8.6 °C 66 mm 9 237 h –
49 Fort Wayne United States 17 °C 17 °C 8.2 °C 72 mm 9 239 h –
50 Des Moines United States 17 °C 17 °C 8.0 °C 72 mm 8 246 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

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

November: top 5

  1. Nuuk -6.2 °C
  2. Anchorage -2.4 °C
  3. Saskatoon -0.4 °C
  4. Edmonton -0.3 °C
  5. Winnipeg 0.06 °C

Full ranking for November

How this ranking is built

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