Salta vs Copiapo: which is sunnier?
🇦🇷 Argentina vs 🇨🇱 Chile · 592 km apart · long-term climate normals (NASA POWER, 2001–2020)
Copiapo is the sunnier overall: about 3,703 hours of sunshine a year to Salta's 3,114. Copiapo has the higher Sunshine Score in 9 of 12 months, Salta in 1 (2 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Salta | Copiapo | |
|---|---|---|
| Sunshine hours / year | 3,114 | 3,703 |
| Sunniest month | June (97/100) | March (100/100) |
| Nov–Feb average score | 75/100 | 100/100 |
| Jun–Aug average score | 97/100 | 96/100 |
| Rain / year | 782 mm | 40 mm |
| Peak midday UV | 11 (extreme) | 14 (extreme) |
Salta vs Copiapo month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Salta | Copiapo | Salta | Copiapo | Salta | Copiapo | |
| January | 70 | 99 | 29° | 28° | 184 | 3 |
| February | 70 | 99 | 28° | 28° | 164 | 3 |
| March | 76 | 100 | 27° | 26° | 116 | 2 |
| April | 87 | 100 | 26° | 23° | 57 | 2 |
| May | 96 | 99 | 23° | 21° | 11 | 5 |
| June | 97 | 99 | 23° | 20° | 5 | 8 |
| July | 97 | 91 | 23° | 19° | 2 | 6 |
| August | 97 | 99 | 25° | 21° | 3 | 5 |
| September | 97 | 100 | 27° | 22° | 5 | 2 |
| October | 92 | 100 | 30° | 23° | 29 | 1 |
| November | 86 | 100 | 30° | 25° | 65 | 1 |
| December | 72 | 100 | 30° | 26° | 141 | 2 |
The sunnier month by month: Jan Copiapo · Feb Copiapo · Mar Copiapo · Apr Copiapo · May Copiapo · Jun even · Jul Salta · Aug even · Sep Copiapo · Oct Copiapo · Nov Copiapo · Dec Copiapo.
When to pick which
- November–February: Copiapo (average score 100/100 vs 75). Salta is the warmer, around 29°C daytime highs vs 27°C.
- March–May: Copiapo (average score 100/100 vs 86). Salta is the warmer, around 25°C daytime highs vs 23°C.
- June–August: too close to call — Salta averages 97/100, Copiapo 96/100. Salta is the warmer, around 24°C daytime highs vs 20°C.
- September–October: Copiapo (average score 100/100 vs 95). Salta is the warmer, around 29°C daytime highs vs 23°C.
Full month-by-month guides: Salta weather by month · Copiapo weather by month · Best time to visit Argentina · Best time to visit Chile.
More comparisons: Salta vs Antofagasta · Salta vs Calama · Copiapo vs Antofagasta · Copiapo vs Calama · Copiapo vs La Serena-Coquimbo · all head-to-heads