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

Al Hufūf tops the list at 41 °C in May. Ranked from 1991–2020 climate normals across 50 destinations in South America.

Top three in May: Al Hufūf (41 °C) , Al Kharj (40 °C) , Makkah (39 °C) . Between first and 50th place the avg high differs by 11 °C.

# Destination Country Avg high Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Al Hufūf Saudi Arabia 41 °C 41 °C 25 °C 1 mm 0 390 h –
2 Al Kharj Saudi Arabia 40 °C 40 °C 24 °C 1 mm 0 378 h –
3 Makkah Saudi Arabia 39 °C 39 °C 25 °C 7 mm 2 385 h –
4 Madinah Saudi Arabia 39 °C 39 °C 23 °C 2 mm 1 388 h –
5 Riyadh Saudi Arabia 39 °C 39 °C 24 °C 2 mm 1 375 h –
6 Hafar Al-Batin Saudi Arabia 38 °C 38 °C 23 °C 2 mm 0 377 h –
7 Buraydah Saudi Arabia 38 °C 38 °C 23 °C 2 mm 0 370 h –
8 Unaizah Saudi Arabia 37 °C 37 °C 23 °C 2 mm 0 370 h –
9 Al Jubayl Saudi Arabia 37 °C 37 °C 25 °C 1 mm 0 388 h 26 °C
10 Şabyā Saudi Arabia 36 °C 36 °C 28 °C 9 mm 3 367 h 31 °C
11 Dammam Saudi Arabia 36 °C 36 °C 25 °C 1 mm 0 390 h 27 °C
12 Najrān Saudi Arabia 35 °C 35 °C 21 °C 4 mm 1 364 h –
13 Ha'il Saudi Arabia 34 °C 34 °C 20 °C 4 mm 1 377 h –
14 Yanbu Saudi Arabia 34 °C 34 °C 25 °C 0 mm 0 394 h 27 °C
15 Jeddah Saudi Arabia 34 °C 34 °C 26 °C 1 mm 0 390 h 28 °C
16 Tabuk Saudi Arabia 34 °C 34 °C 17 °C 2 mm 0 394 h –
17 Coro Venezuela 34 °C 34 °C 25 °C 50 mm 7 340 h 27 °C
18 Ciudad Bolívar Venezuela 33 °C 33 °C 25 °C 141 mm 15 327 h –
19 Mossoró Brazil 32 °C 32 °C 24 °C 59 mm 9 321 h –
20 Ciudad Guayana Venezuela 32 °C 32 °C 24 °C 105 mm 13 333 h –
21 Valle de La Pascua Venezuela 32 °C 32 °C 24 °C 148 mm 16 318 h –
22 El Tigre Venezuela 32 °C 32 °C 23 °C 95 mm 14 328 h –
23 Maturín Venezuela 32 °C 32 °C 24 °C 87 mm 18 316 h –
24 Sullana Peru 32 °C 32 °C 20 °C 7 mm 2 338 h –
25 Barcelona Venezuela 32 °C 32 °C 25 °C 76 mm 11 346 h 26 °C
26 Riohacha Colombia 32 °C 32 °C 25 °C 120 mm 16 309 h 27 °C
27 Palmas Brazil 32 °C 32 °C 23 °C 55 mm 7 333 h –
28 Ta’if Saudi Arabia 31 °C 31 °C 21 °C 20 mm 5 378 h –
29 Maracaibo Venezuela 31 °C 31 °C 26 °C 151 mm 19 291 h 28 °C
30 Calabozo Venezuela 31 °C 31 °C 24 °C 210 mm 21 293 h –
31 Maicao Colombia 31 °C 31 °C 25 °C 109 mm 14 316 h –
32 Santa Teresa del Tuy Venezuela 31 °C 31 °C 23 °C 109 mm 19 306 h –
33 Piura Peru 31 °C 31 °C 20 °C 8 mm 2 337 h –
34 San Fernando de Apure Venezuela 31 °C 31 °C 24 °C 256 mm 22 271 h –
35 Sobral Brazil 31 °C 31 °C 23 °C 90 mm 14 323 h –
36 Ocumare del Tuy Venezuela 31 °C 31 °C 23 °C 208 mm 21 303 h –
37 Petrolina Brazil 31 °C 31 °C 22 °C 12 mm 2 296 h –
38 Teresina Brazil 31 °C 31 °C 23 °C 126 mm 13 330 h –
39 Carúpano Venezuela 31 °C 31 °C 25 °C 67 mm 15 351 h 26 °C
40 Cabimas Venezuela 31 °C 31 °C 26 °C 260 mm 27 286 h –
41 Caxias Brazil 30 °C 30 °C 23 °C 131 mm 15 327 h –
42 Montería Colombia 30 °C 30 °C 24 °C 288 mm 30 258 h –
43 Ciudad Ojeda Venezuela 30 °C 30 °C 25 °C 258 mm 28 276 h –
44 Cúcuta Colombia 30 °C 30 °C 22 °C 98 mm 12 282 h –
45 Barreiras Brazil 30 °C 30 °C 21 °C 19 mm 3 325 h –
46 Araguaína Brazil 30 °C 30 °C 22 °C 88 mm 12 331 h –
47 Sinop Brazil 30 °C 30 °C 21 °C 32 mm 6 325 h –
48 Imperatriz Brazil 30 °C 30 °C 23 °C 77 mm 12 332 h –
49 Cumaná Venezuela 30 °C 30 °C 25 °C 45 mm 8 358 h 25 °C
50 Rondonópolis Brazil 30 °C 30 °C 20 °C 24 mm 4 313 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. Stanley 9.5 °C
  2. La Paz 14 °C
  3. Juliaca 14 °C
  4. Puerto Montt 15 °C
  5. Cusco 15 °C

Full ranking for April

June: top 5

  1. Stanley 5.1 °C
  2. Puerto Montt 10 °C
  3. Temuco 12 °C
  4. Neuquén 12 °C
  5. Mar del Plata 13 °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 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.