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The driest places in South America in August: ranked by rainfall

Buraydah tops the list at 0.01 mm in August. Ranked from 1991–2020 climate normals across 50 destinations in South America.

Top three in August: Buraydah (0.01 mm) , Hafar Al-Batin (0.01 mm) , Al Kharj (0.01 mm) . Between first and 50th place the rainfall differs by 6.1 mm.

# Destination Country Rainfall Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Buraydah Saudi Arabia 0.01 mm 43 °C 26 °C 0 mm 0 372 h –
2 Hafar Al-Batin Saudi Arabia 0.01 mm 44 °C 28 °C 0 mm 0 372 h –
3 Al Kharj Saudi Arabia 0.01 mm 44 °C 27 °C 0 mm 0 369 h –
4 Tabuk Saudi Arabia 0.02 mm 38 °C 22 °C 0 mm 0 396 h –
5 Riyadh Saudi Arabia 0.02 mm 43 °C 27 °C 0 mm 0 368 h –
6 Dammam Saudi Arabia 0.03 mm 40 °C 29 °C 0 mm 0 376 h 33 °C
7 Unaizah Saudi Arabia 0.03 mm 42 °C 26 °C 0 mm 0 372 h –
8 Yanbu Saudi Arabia 0.04 mm 37 °C 28 °C 0 mm 0 384 h 30 °C
9 Ica Peru 0.07 mm 25 °C 15 °C 0 mm 0 350 h –
10 Al Hufūf Saudi Arabia 0.10 mm 45 °C 28 °C 0 mm 0 372 h –
11 Sullana Peru 0.1 mm 29 °C 17 °C 0 mm 0 338 h –
12 Chiclayo Peru 0.1 mm 22 °C 16 °C 0 mm 0 337 h 17 °C
13 Jeddah Saudi Arabia 0.1 mm 35 °C 28 °C 0 mm 0 367 h 31 °C
14 Ha'il Saudi Arabia 0.1 mm 39 °C 25 °C 0 mm 0 381 h –
15 Al Jubayl Saudi Arabia 0.1 mm 41 °C 29 °C 0 mm 0 375 h 33 °C
16 Chincha Alta Peru 0.2 mm 22 °C 16 °C 0 mm 0 347 h 17 °C
17 Piura Peru 0.4 mm 28 °C 17 °C 0 mm 0 335 h –
18 Barreiras Brazil 0.4 mm 32 °C 19 °C 0 mm 0 347 h –
19 Lima Peru 0.8 mm 20 °C 15 °C 1 mm 0 345 h 17 °C
20 Callao Peru 0.8 mm 19 °C 15 °C 1 mm 0 345 h 17 °C
21 Trujillo Peru 0.9 mm 22 °C 16 °C 1 mm 0 347 h 17 °C
22 Santa Anita - Los Ficus Peru 1.0 mm 19 °C 14 °C 1 mm 0 344 h 17 °C
23 Palmas Brazil 1.1 mm 34 °C 22 °C 1 mm 0 345 h –
24 Chimbote Peru 1.1 mm 20 °C 15 °C 1 mm 0 343 h 18 °C
25 Petrolina Brazil 1.5 mm 30 °C 19 °C 1 mm 0 310 h –
26 Makkah Saudi Arabia 1.8 mm 39 °C 27 °C 2 mm 1 366 h –
27 Madinah Saudi Arabia 1.8 mm 42 °C 26 °C 2 mm 1 380 h –
28 Montes Claros Brazil 1.9 mm 28 °C 16 °C 2 mm 0 337 h –
29 Calama Chile 1.9 mm 22 °C 2.3 °C 2 mm 0 337 h –
30 Antofagasta Chile 2.0 mm 19 °C 13 °C 2 mm 0 329 h 15 °C
31 Arequipa Peru 2.2 mm 23 °C 8.2 °C 2 mm 1 350 h –
32 Najrān Saudi Arabia 2.3 mm 37 °C 22 °C 2 mm 0 351 h –
33 Teresina Brazil 2.4 mm 35 °C 24 °C 2 mm 1 360 h –
34 Imperatriz Brazil 2.6 mm 34 °C 24 °C 3 mm 1 356 h –
35 Mossoró Brazil 3.0 mm 34 °C 23 °C 3 mm 1 332 h –
36 Parnaíba Brazil 3.3 mm 33 °C 25 °C 3 mm 1 363 h 27 °C
37 Juazeiro do Norte Brazil 3.5 mm 31 °C 20 °C 4 mm 1 338 h –
38 Caxias Brazil 3.6 mm 35 °C 23 °C 4 mm 1 360 h –
39 Tacna Peru 3.7 mm 19 °C 13 °C 4 mm 0 329 h –
40 Araguaína Brazil 4.0 mm 34 °C 21 °C 4 mm 1 348 h –
41 Planaltina Brazil 4.4 mm 28 °C 17 °C 4 mm 1 341 h –
42 Sobral Brazil 4.6 mm 34 °C 23 °C 5 mm 1 357 h –
43 Águas Lindas de Goiás Brazil 5.5 mm 28 °C 16 °C 6 mm 2 337 h –
44 Ceilândia Brazil 5.6 mm 27 °C 16 °C 6 mm 1 337 h –
45 Caucaia Brazil 5.8 mm 31 °C 24 °C 6 mm 1 353 h 27 °C
46 Manta Ecuador 5.8 mm 27 °C 22 °C 6 mm 1 283 h 25 °C
47 Luziânia Brazil 5.8 mm 28 °C 16 °C 6 mm 1 337 h –
48 Goiânia Brazil 6.0 mm 30 °C 18 °C 6 mm 1 334 h –
49 Aparecida de Goiânia Brazil 6.1 mm 30 °C 17 °C 6 mm 1 334 h –
50 Brasília Brazil 6.1 mm 27 °C 16 °C 6 mm 2 338 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. Riyadh 0 mm
  2. Dammam 0 mm
  3. Buraydah 0 mm
  4. Unaizah 0 mm
  5. Ha'il 0.01 mm

Full ranking for July

September: top 5

  1. Riyadh 0 mm
  2. Al Kharj 0.00 mm
  3. Dammam 0.02 mm
  4. Hafar Al-Batin 0.03 mm
  5. Yanbu 0.05 mm

Full ranking for September

How this ranking is built

What is ranked
Total precipitation, in mm, 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 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 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.