The warmest places in South America in August: ranked by average high temperature

Al Hufūf tops the list at 45 °C in August. Ranked from 1991–2020 climate normals across 50 destinations in South America.

Top three in August: Al Hufūf (45 °C) , Hafar Al-Batin (44 °C) , Al Kharj (44 °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 Al Hufūf Saudi Arabia 45 °C 45 °C 28 °C 0 mm 0 372 h
2 Hafar Al-Batin Saudi Arabia 44 °C 44 °C 28 °C 0 mm 0 372 h
3 Al Kharj Saudi Arabia 44 °C 44 °C 27 °C 0 mm 0 369 h
4 Riyadh Saudi Arabia 43 °C 43 °C 27 °C 0 mm 0 368 h
5 Buraydah Saudi Arabia 43 °C 43 °C 26 °C 0 mm 0 372 h
6 Madinah Saudi Arabia 42 °C 42 °C 26 °C 2 mm 1 380 h
7 Unaizah Saudi Arabia 42 °C 42 °C 26 °C 0 mm 0 372 h
8 Al Jubayl Saudi Arabia 41 °C 41 °C 29 °C 0 mm 0 375 h 33 °C
9 Dammam Saudi Arabia 40 °C 40 °C 29 °C 0 mm 0 376 h 33 °C
10 Ha'il Saudi Arabia 39 °C 39 °C 25 °C 0 mm 0 381 h
11 Makkah Saudi Arabia 39 °C 39 °C 27 °C 2 mm 1 366 h
12 Tabuk Saudi Arabia 38 °C 38 °C 22 °C 0 mm 0 396 h
13 Najrān Saudi Arabia 37 °C 37 °C 22 °C 2 mm 0 351 h
14 Yanbu Saudi Arabia 37 °C 37 °C 28 °C 0 mm 0 384 h 30 °C
15 Şabyā Saudi Arabia 36 °C 36 °C 29 °C 41 mm 5 333 h 31 °C
16 Jeddah Saudi Arabia 35 °C 35 °C 28 °C 0 mm 0 367 h 31 °C
17 Coro Venezuela 35 °C 35 °C 26 °C 31 mm 6 361 h 28 °C
18 Teresina Brazil 35 °C 35 °C 24 °C 2 mm 1 360 h
19 Caxias Brazil 35 °C 35 °C 23 °C 4 mm 1 360 h
20 Palmas Brazil 34 °C 34 °C 22 °C 1 mm 0 345 h
21 Sobral Brazil 34 °C 34 °C 23 °C 5 mm 1 357 h
22 Imperatriz Brazil 34 °C 34 °C 24 °C 3 mm 1 356 h
23 Mossoró Brazil 34 °C 34 °C 23 °C 3 mm 1 332 h
24 Araguaína Brazil 34 °C 34 °C 21 °C 4 mm 1 348 h
25 Sinop Brazil 33 °C 33 °C 21 °C 7 mm 1 340 h
26 Marabá Brazil 33 °C 33 °C 23 °C 6 mm 1 346 h
27 Parnaíba Brazil 33 °C 33 °C 25 °C 3 mm 1 363 h 27 °C
28 Ta’if Saudi Arabia 33 °C 33 °C 23 °C 14 mm 4 365 h
29 Rondonópolis Brazil 33 °C 33 °C 20 °C 7 mm 1 331 h
30 Parauapebas Brazil 33 °C 33 °C 23 °C 7 mm 2 342 h
31 Porto Velho Brazil 33 °C 33 °C 23 °C 43 mm 7 331 h
32 Riohacha Colombia 33 °C 33 °C 25 °C 96 mm 15 343 h 28 °C
33 Cuiabá Brazil 33 °C 33 °C 20 °C 11 mm 2 333 h
34 Maicao Colombia 33 °C 33 °C 26 °C 93 mm 13 348 h
35 Várzea Grande Brazil 33 °C 33 °C 20 °C 9 mm 2 330 h
36 Cúcuta Colombia 32 °C 32 °C 22 °C 35 mm 6 317 h
37 Rio Branco Brazil 32 °C 32 °C 21 °C 40 mm 6 325 h
38 Maracaibo Venezuela 32 °C 32 °C 26 °C 119 mm 17 326 h 29 °C
39 Barreiras Brazil 32 °C 32 °C 19 °C 0 mm 0 347 h
40 Abaetetuba Brazil 32 °C 32 °C 24 °C 33 mm 9 352 h
41 Maracanaú Brazil 32 °C 32 °C 24 °C 8 mm 2 350 h 27 °C
42 Ananindeua Brazil 31 °C 31 °C 24 °C 58 mm 14 356 h 29 °C
43 Castanhal Brazil 31 °C 31 °C 23 °C 52 mm 13 357 h
44 Neiva Colombia 31 °C 31 °C 21 °C 25 mm 6 350 h
45 Belém Brazil 31 °C 31 °C 24 °C 38 mm 10 355 h 29 °C
46 Ciudad Ojeda Venezuela 31 °C 31 °C 25 °C 210 mm 28 313 h
47 Juazeiro do Norte Brazil 31 °C 31 °C 20 °C 4 mm 1 338 h
48 Cabimas Venezuela 31 °C 31 °C 26 °C 223 mm 29 321 h
49 Manaus Brazil 31 °C 31 °C 24 °C 96 mm 17 347 h
50 São Luís Brazil 31 °C 31 °C 25 °C 27 mm 8 367 h 28 °C

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. Al Hufūf 45 °C
  2. Al Kharj 44 °C
  3. Hafar Al-Batin 43 °C
  4. Riyadh 43 °C
  5. Buraydah 42 °C

Full ranking for July

September: top 5

  1. Stanley 6.6 °C
  2. Puerto Montt 12 °C
  3. La Paz 14 °C
  4. Temuco 14 °C
  5. Valparaíso 14 °C

Full ranking for September

How this ranking is built

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