Antofagasta vs Copiapo: which is sunnier?
🇨🇱 Chile vs 🇨🇱 Chile · 426 km apart · long-term climate normals (NASA POWER, 2001–2020)
Copiapo is the sunnier overall: about 3,703 hours of sunshine a year to Antofagasta's 3,624. Copiapo has the higher Sunshine Score in 7 of 12 months; the other 5 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Antofagasta | Copiapo | |
|---|---|---|
| Sunshine hours / year | 3,624 | 3,703 |
| Sunniest month | January (100/100) | March (100/100) |
| Nov–Feb average score | 98/100 | 100/100 |
| Jun–Aug average score | 78/100 | 96/100 |
| Rain / year | 10 mm | 40 mm |
| Warmest sea | 21°C / 70°F | 21°C / 70°F |
| Peak midday UV | 15 (extreme) | 14 (extreme) |
Antofagasta vs Copiapo month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Antofagasta | Copiapo | Antofagasta | Copiapo | Antofagasta | Copiapo | Antofagasta | Copiapo | |
| January | 100 | 99 | 23° | 28° | 1 | 3 | 19° | 19° |
| February | 100 | 99 | 23° | 28° | 2 | 3 | 21° | 21° |
| March | 100 | 100 | 22° | 26° | 1 | 2 | 19° | 19° |
| April | 100 | 100 | 21° | 23° | 0 | 2 | 18° | 19° |
| May | 92 | 99 | 19° | 21° | 0 | 5 | 17° | 15° |
| June | 83 | 99 | 18° | 20° | 2 | 8 | 16° | 15° |
| July | 75 | 91 | 17° | 19° | 1 | 6 | 15° | 14° |
| August | 75 | 99 | 17° | 21° | 2 | 5 | 16° | 15° |
| September | 75 | 100 | 17° | 22° | 0 | 2 | 16° | 15° |
| October | 83 | 100 | 18° | 23° | 0 | 1 | 16° | 16° |
| November | 92 | 100 | 19° | 25° | 0 | 1 | 17° | 18° |
| December | 100 | 100 | 21° | 26° | 1 | 2 | 18° | 18° |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May Copiapo · Jun Copiapo · Jul Copiapo · Aug Copiapo · Sep Copiapo · Oct Copiapo · Nov Copiapo · Dec even.
When to pick which
- November–February: too close to call — Antofagasta averages 98/100, Copiapo 100/100. Copiapo is the warmer, around 27°C daytime highs vs 22°C.
- March–May: Copiapo (average score 100/100 vs 97). Copiapo is the warmer, around 23°C daytime highs vs 21°C.
- June–August: Copiapo (average score 96/100 vs 78). Copiapo is the warmer, around 20°C daytime highs vs 17°C.
- September–October: Copiapo (average score 100/100 vs 79). Copiapo is the warmer, around 23°C daytime highs vs 18°C.
Sea temperature
Both seas peak at 21°C / 70°F. Swimmable water (21°C+): Antofagasta about 1 month a year, Copiapo about 1 month a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Antofagasta weather by month · Copiapo weather by month · Best time to visit Chile.
More comparisons: Antofagasta vs Salta · Antofagasta vs Iquique · Antofagasta vs Calama · Copiapo vs Salta · Copiapo vs Calama · Copiapo vs La Serena-Coquimbo · all head-to-heads