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

Yanbu tops the list at 1.0 mm in April. Ranked from 1991–2020 climate normals across 50 destinations in South America.

Top three in April: Yanbu (1.0 mm) , Tabuk (1.4 mm) , Iquique (1.4 mm) . Between first and 50th place the rainfall differs by 42 mm.

# Destination Country Rainfall Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Yanbu Saudi Arabia 1.0 mm 31 °C 22 °C 1 mm 0 365 h 26 °C
2 Tabuk Saudi Arabia 1.4 mm 29 °C 13 °C 1 mm 1 368 h –
3 Iquique Chile 1.4 mm 25 °C 18 °C 1 mm 0 335 h 20 °C
4 Calama Chile 1.6 mm 24 °C 5.2 °C 2 mm 0 333 h –
5 Antofagasta Chile 1.8 mm 22 °C 16 °C 2 mm 0 330 h 18 °C
6 Tacna Peru 1.9 mm 24 °C 16 °C 2 mm 0 329 h –
7 Chincha Alta Peru 2.7 mm 26 °C 20 °C 3 mm 1 339 h 20 °C
8 Coquimbo Chile 3.1 mm 21 °C 15 °C 3 mm 1 295 h 16 °C
9 Jeddah Saudi Arabia 3.2 mm 31 °C 23 °C 3 mm 0 357 h 27 °C
10 Ica Peru 3.3 mm 29 °C 20 °C 3 mm 1 338 h –
11 La Serena Chile 3.3 mm 22 °C 16 °C 3 mm 1 295 h 16 °C
12 Dammam Saudi Arabia 3.9 mm 30 °C 20 °C 4 mm 1 343 h 23 °C
13 Chimbote Peru 4.4 mm 25 °C 20 °C 4 mm 1 328 h 20 °C
14 Al Jubayl Saudi Arabia 4.6 mm 31 °C 20 °C 5 mm 1 341 h 22 °C
15 Madinah Saudi Arabia 4.8 mm 35 °C 19 °C 5 mm 1 360 h –
16 Santa Anita - Los Ficus Peru 6.2 mm 23 °C 18 °C 6 mm 2 334 h 20 °C
17 Arica Chile 6.4 mm 24 °C 17 °C 6 mm 1 334 h 20 °C
18 Lima Peru 6.4 mm 25 °C 19 °C 6 mm 2 334 h 20 °C
19 Callao Peru 6.4 mm 25 °C 19 °C 6 mm 2 334 h 20 °C
20 Al Hufūf Saudi Arabia 6.6 mm 35 °C 19 °C 7 mm 1 344 h –
21 Porlamar Venezuela 9.5 mm 27 °C 25 °C 9 mm 2 349 h 25 °C
22 Hafar Al-Batin Saudi Arabia 9.7 mm 32 °C 17 °C 10 mm 2 339 h –
23 Ha'il Saudi Arabia 9.8 mm 29 °C 15 °C 10 mm 3 349 h –
24 Makkah Saudi Arabia 11 mm 36 °C 22 °C 11 mm 2 355 h –
25 Al Kharj Saudi Arabia 11 mm 34 °C 19 °C 11 mm 2 343 h –
26 Buraydah Saudi Arabia 12 mm 32 °C 18 °C 12 mm 2 344 h –
27 Najrān Saudi Arabia 13 mm 32 °C 18 °C 13 mm 3 350 h –
28 Riyadh Saudi Arabia 14 mm 33 °C 19 °C 14 mm 2 341 h –
29 Unaizah Saudi Arabia 14 mm 32 °C 17 °C 14 mm 3 345 h –
30 Valparaíso Chile 14 mm 17 °C 13 °C 14 mm 2 305 h 15 °C
31 Viña del Mar Chile 14 mm 21 °C 12 °C 14 mm 2 305 h 15 °C
32 Şabyā Saudi Arabia 21 mm 34 °C 26 °C 21 mm 3 354 h 30 °C
33 Neuquén Argentina 22 mm 21 °C 10 °C 22 mm 3 282 h –
34 Trujillo Peru 26 mm 25 °C 20 °C 26 mm 6 321 h 20 °C
35 Coro Venezuela 26 mm 33 °C 25 °C 26 mm 5 328 h 26 °C
36 Chiclayo Peru 27 mm 27 °C 21 °C 27 mm 5 323 h 20 °C
37 Oruro Bolivia 27 mm 16 °C 3.3 °C 27 mm 8 323 h –
38 Cumaná Venezuela 28 mm 30 °C 24 °C 28 mm 4 343 h 25 °C
39 Santiago Chile 28 mm 22 °C 10 °C 28 mm 3 300 h –
40 Maipú Chile 28 mm 23 °C 11 °C 28 mm 3 300 h –
41 Ta’if Saudi Arabia 32 mm 28 °C 17 °C 32 mm 7 352 h –
42 Ciudad Guayana Venezuela 32 mm 33 °C 24 °C 32 mm 5 334 h –
43 Montes Claros Brazil 35 mm 28 °C 20 °C 35 mm 6 321 h –
44 Barcelona Venezuela 35 mm 32 °C 24 °C 35 mm 6 338 h 25 °C
45 Petrolina Brazil 37 mm 32 °C 23 °C 37 mm 6 317 h –
46 El Tigre Venezuela 37 mm 34 °C 23 °C 37 mm 5 326 h –
47 Quilicura Chile 37 mm 23 °C 11 °C 37 mm 4 302 h –
48 Puente Alto Chile 39 mm 22 °C 9.2 °C 39 mm 4 299 h –
49 Piura Peru 40 mm 33 °C 22 °C 40 mm 6 319 h –
50 Maturín Venezuela 43 mm 33 °C 23 °C 43 mm 10 322 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

March: top 5

  1. Iquique 0.4 mm
  2. Antofagasta 0.9 mm
  3. Yanbu 1.5 mm
  4. Tabuk 2.8 mm
  5. Viña del Mar 3.0 mm

Full ranking for March

May: top 5

  1. Yanbu 0.08 mm
  2. Ica 0.3 mm
  3. Chincha Alta 0.5 mm
  4. Jeddah 0.6 mm
  5. Dammam 0.7 mm

Full ranking for May

How this ranking is built

What is ranked
Total precipitation, in mm, in April, 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.