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The driest places in South America in October

Calama tops the list at 0.2 mm in October. Ranked from 1991–2020 climate normals across 50 destinations.

# Destination Country Rainfall Avg high Rainfall
1 Calama Chile 0.2 mm 24 °C 0 mm
2 Al Hufūf Saudi Arabia 0.4 mm 36 °C 0 mm
3 Antofagasta Chile 0.6 mm 20 °C 1 mm
4 Dammam Saudi Arabia 0.8 mm 34 °C 1 mm
5 Riyadh Saudi Arabia 0.9 mm 34 °C 1 mm
6 Al Kharj Saudi Arabia 0.9 mm 35 °C 1 mm
7 Tabuk Saudi Arabia 1.0 mm 31 °C 1 mm
8 Al Jubayl Saudi Arabia 1.1 mm 35 °C 1 mm
9 Chincha Alta Peru 1.1 mm 23 °C 1 mm
10 Ica Peru 1.2 mm 27 °C 1 mm
11 Hafar Al-Batin Saudi Arabia 1.2 mm 35 °C 1 mm
12 Tacna Peru 1.2 mm 22 °C 1 mm
13 Yanbu Saudi Arabia 1.8 mm 34 °C 2 mm
14 Chimbote Peru 1.9 mm 21 °C 2 mm
15 Unaizah Saudi Arabia 2.3 mm 34 °C 2 mm
16 Madinah Saudi Arabia 2.4 mm 36 °C 2 mm
17 Mossoró Brazil 2.4 mm 35 °C 2 mm
18 Lima Peru 2.5 mm 22 °C 2 mm
19 Callao Peru 2.5 mm 21 °C 2 mm
20 Santa Anita - Los Ficus Peru 2.5 mm 20 °C 2 mm
21 Buraydah Saudi Arabia 2.6 mm 34 °C 3 mm
22 Chiclayo Peru 2.8 mm 23 °C 3 mm
23 Sullana Peru 2.8 mm 30 °C 3 mm
24 Iquique Chile 2.8 mm 23 °C 3 mm
25 Ha'il Saudi Arabia 3.0 mm 32 °C 3 mm
26 Jeddah Saudi Arabia 3.2 mm 33 °C 3 mm
27 Najrān Saudi Arabia 3.3 mm 30 °C 3 mm
28 Sobral Brazil 3.4 mm 36 °C 3 mm
29 Trujillo Peru 3.9 mm 23 °C 4 mm
30 Piura Peru 4.1 mm 29 °C 4 mm
31 Caucaia Brazil 4.3 mm 31 °C 4 mm
32 Coquimbo Chile 4.8 mm 20 °C 5 mm
33 La Serena Chile 4.9 mm 22 °C 5 mm
34 Arequipa Peru 5.4 mm 23 °C 5 mm
35 Parnaíba Brazil 5.8 mm 33 °C 6 mm
36 Fortaleza Brazil 6.1 mm 30 °C 6 mm
37 Khamis Mushait Saudi Arabia 6.7 mm 26 °C 7 mm
38 Makkah Saudi Arabia 7.3 mm 36 °C 7 mm
39 Ta’if Saudi Arabia 7.8 mm 29 °C 8 mm
40 Arica Chile 8.1 mm 20 °C 8 mm
41 Manta Ecuador 9.5 mm 28 °C 9 mm
42 Juazeiro do Norte Brazil 10 mm 34 °C 10 mm
43 Petrolina Brazil 13 mm 34 °C 13 mm
44 Viña del Mar Chile 14 mm 19 °C 14 mm
45 São Luís Brazil 14 mm 31 °C 14 mm
46 Valparaíso Chile 14 mm 15 °C 14 mm
47 Parnamirim Brazil 15 mm 29 °C 15 mm
48 Campina Grande Brazil 15 mm 29 °C 15 mm
49 Caxias Brazil 16 mm 36 °C 16 mm
50 Teresina Brazil 16 mm 37 °C 16 mm

Only destinations with a published page for that month are ranked. The ranking is ours; the underlying values are reproduced from the source.

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.