Climate guideThirty-year normals for Copiapó
Copiapó climate by month
Hot desert · BWhBest May · Jul · Sep
Annual mean20°day and night
Seasonal swing8°warmest vs coolest
Precipitation25 mm8 wet days a year
27.37° S, 70.33° WElevation 381 mUTC−3 · Chile Summer Time
When to goCopiapó · weather score
Best timeMay · Jul · Sep
October: high / low26° / 14°
iSummary
What the weather is like
Copiapó has a hot desert climate (Köppen BWh): very little rain and intense sun.
The warmest month is January, when afternoons average 29° and nights 18°. July is the coolest month, with highs of 22° and lows of 8°. The difference between the warmest and the coolest month is about 8°, a small seasonal swing typical of places tempered by the sea.
About 25 mm of precipitation falls in an average year. June is the wettest month (8 mm, 1 wet days) and October the driest (0 mm, 0 wet days). Cloud cover ranges from 5% in February to 20% in June.
Compared with Santiago, the capital, Copiapó is 0.2° warmer on a January afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 29° · January
- Coldest nights
- 8° · July
- Wettest month
- June
- Driest month
- October
- Clearest skies
- February · 5% cloud
- Longest day
- 13 h 51 min
- Shortest day
- 10 h 25 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 29° | 29° | 28° | 26° | 24° | 23° | 22° | 24° | 25° | 26° | 27° | 29° |
| Average low | 18° | 18° | 17° | 15° | 12° | 9° | 8° | 10° | 12° | 14° | 15° | 17° |
| Precipitation | 0 mm | 0 mm | 1 mm | 1 mm | 3 mm | 8 mm | 7 mm | 4 mm | 1 mm | 0 mm | 0 mm | 0 mm |
| Wet days (≥1 mm) | 0.9 | 0.5 | 0.5 | 0.3 | 1.1 | 1.3 | 0.9 | 1.1 | 0.3 | 0.2 | 0.3 | 0.4 |
| Cloud cover | 6% | 5% | 5% | 8% | 17% | 20% | 15% | 14% | 10% | 8% | 6% | 6% |
| Daylight | 13h 40 | 13h 01 | 12h 16 | 11h 27 | 10h 46 | 10h 25 | 10h 34 | 11h 08 | 11h 55 | 12h 43 | 13h 28 | 13h 51 |
| Month score | 79 | 81 | 85 | 94 | 97 | 97 | 98 | 97 | 99 | 94 | 89 | 84 |
ivMonth by month
Copiapó in every month
January79
29° / 18°
0 mm · 0.9 wet day
February81
29° / 18°
0 mm · 0.5 wet day
March85
28° / 17°
1 mm · 0.5 wet day
April94
26° / 15°
1 mm · 0.3 wet days
May97
24° / 12°
3 mm · 1.1 wet day
June97
23° / 9°
8 mm · 1.3 wet day
July98
22° / 8°
7 mm · 0.9 wet day
August97
24° / 10°
4 mm · 1.1 wet day
September99
25° / 12°
1 mm · 0.3 wet days
October94
26° / 14°
0 mm · 0.2 wet days
November89
27° / 15°
0 mm · 0.3 wet days
December84
29° / 17°
0 mm · 0.4 wet days