Places with the best weather in South America in December: ranked by comfort score

Khamis Mushait tops the list at 97 /100 in December. Ranked from 1991–2020 climate normals across 50 destinations in South America.

Top three in December: Khamis Mushait (97 /100) , Ta’if (97 /100) , Coquimbo (96 /100) . Between first and 50th place the comfort differs by 15 /100.

# Destination Country Comfort Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Khamis Mushait Saudi Arabia 97 /100 22 °C 11 °C 6 mm 1 318 h
2 Ta’if Saudi Arabia 97 /100 22 °C 12 °C 16 mm 3 313 h
3 Coquimbo Chile 96 /100 22 °C 15 °C 1 mm 0 407 h 16 °C
4 Al Hufūf Saudi Arabia 96 /100 22 °C 10 °C 15 mm 2 301 h
5 Al Kharj Saudi Arabia 95 /100 22 °C 9.0 °C 9 mm 2 303 h
6 La Serena Chile 95 /100 24 °C 16 °C 1 mm 0 406 h 16 °C
7 Peñalolén Chile 94 /100 25 °C 13 °C 25 mm 6 422 h
8 Al Jubayl Saudi Arabia 94 /100 21 °C 14 °C 22 mm 3 288 h 23 °C
9 Viña del Mar Chile 94 /100 23 °C 14 °C 3 mm 0 423 h 16 °C
10 Riyadh Saudi Arabia 94 /100 21 °C 8.8 °C 9 mm 2 301 h
11 Dammam Saudi Arabia 93 /100 22 °C 14 °C 20 mm 3 295 h 22 °C
12 Concepción Chile 93 /100 22 °C 12 °C 16 mm 3 422 h 14 °C
13 Santa Anita - Los Ficus Peru 93 /100 22 °C 17 °C 6 mm 2 341 h 19 °C
14 Rancagua Chile 93 /100 26 °C 14 °C 13 mm 2 422 h
15 Puente Alto Chile 93 /100 26 °C 13 °C 24 mm 6 422 h
16 Antofagasta Chile 93 /100 23 °C 16 °C 0 mm 0 400 h 19 °C
17 Madinah Saudi Arabia 93 /100 25 °C 11 °C 7 mm 1 313 h
18 Santiago Chile 93 /100 26 °C 14 °C 7 mm 1 424 h
19 Abha Saudi Arabia 92 /100 19 °C 11 °C 11 mm 3 317 h
20 Tacna Peru 91 /100 25 °C 16 °C 6 mm 1 370 h
21 Talcahuano Chile 91 /100 21 °C 12 °C 16 mm 3 422 h 14 °C
22 Buraydah Saudi Arabia 91 /100 20 °C 7.9 °C 15 mm 3 294 h
23 Chillán Chile 91 /100 26 °C 12 °C 22 mm 3 420 h
24 Unaizah Saudi Arabia 91 /100 20 °C 7.9 °C 15 mm 3 297 h
25 Najrān Saudi Arabia 91 /100 25 °C 9.8 °C 0 mm 0 320 h
26 Arica Chile 91 /100 25 °C 18 °C 4 mm 1 387 h 21 °C
27 Lima Peru 91 /100 24 °C 18 °C 6 mm 1 343 h 19 °C
28 Callao Peru 91 /100 24 °C 18 °C 6 mm 1 343 h 19 °C
29 Chimbote Peru 90 /100 23 °C 18 °C 4 mm 1 352 h 19 °C
30 Maipú Chile 90 /100 28 °C 14 °C 6 mm 1 424 h
31 Chincha Alta Peru 90 /100 25 °C 19 °C 4 mm 1 351 h 19 °C
32 Arequipa Peru 89 /100 21 °C 12 °C 57 mm 11 352 h
33 Trujillo Peru 89 /100 25 °C 19 °C 9 mm 2 352 h 19 °C
34 Temuco Chile 88 /100 21 °C 9.7 °C 59 mm 7 391 h
35 Iquique Chile 88 /100 26 °C 18 °C 1 mm 0 396 h 20 °C
36 Talca Chile 88 /100 28 °C 13 °C 13 mm 2 423 h
37 Yanbu Saudi Arabia 87 /100 27 °C 18 °C 11 mm 1 319 h 27 °C
38 Montevideo Uruguay 87 /100 24 °C 18 °C 80 mm 8 376 h 22 °C
39 Hafar Al-Batin Saudi Arabia 87 /100 19 °C 7.2 °C 22 mm 4 282 h
40 Mar del Plata Argentina 86 /100 24 °C 15 °C 75 mm 9 387 h 17 °C
41 Valparaíso Chile 86 /100 18 °C 14 °C 3 mm 0 423 h 16 °C
42 Chiclayo Peru 86 /100 25 °C 19 °C 9 mm 3 353 h 19 °C
43 Makkah Saudi Arabia 86 /100 28 °C 17 °C 25 mm 3 313 h
44 Tabuk Saudi Arabia 86 /100 19 °C 4.7 °C 1 mm 1 301 h
45 Los Teques Venezuela 84 /100 25 °C 18 °C 34 mm 9 327 h
46 Ha'il Saudi Arabia 84 /100 18 °C 6.1 °C 10 mm 2 293 h
47 Calama Chile 84 /100 25 °C 7.5 °C 1 mm 0 399 h
48 La Plata Argentina 83 /100 26 °C 18 °C 83 mm 8 382 h 23 °C
49 Ibagué Colombia 83 /100 24 °C 17 °C 102 mm 11 326 h
50 Ica Peru 82 /100 29 °C 19 °C 4 mm 1 350 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

November: top 5

  1. Khamis Mushait 98 /100
  2. Arequipa 98 /100
  3. Ta’if 97 /100
  4. Quilicura 97 /100
  5. Santiago 96 /100

Full ranking for November

January: top 5

  1. Khamis Mushait 95 /100
  2. Coquimbo 95 /100
  3. Ta’if 94 /100
  4. Viña del Mar 93 /100
  5. Talcahuano 93 /100

Full ranking for January

How this ranking is built

What is ranked
Our 0–100 comfort score for sightseeing weather (formula on the methodology page), in December, 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 South 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 and the score 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.