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La Serena climate by month
What the weather is like
La Serena has a cold desert climate (Köppen BWk): very little rain and intense sun.
The warmest month is January, when afternoons average 24° and nights 16°. July is the coolest month, with highs of 17° and lows of 10°. The difference between the warmest and the coolest month is about 7°, a small seasonal swing typical of places tempered by the sea.
About 115 mm of precipitation falls in an average year. June is the wettest month (24 mm, 2 wet days) and October the driest (2 mm, 0 wet days). Cloud cover ranges from 15% in January to 34% in June.
The sea reaches about 18° in February. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Santiago, the capital, La Serena is 5° cooler on a January afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 24° · January
- Coldest nights
- 10° · July
- Wettest month
- June
- Driest month
- October
- Clearest skies
- January · 15% cloud
- Warmest sea
- 18° · February
- Longest day
- 14 h 03 min
- Shortest day
- 10 h 14 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 24° | 24° | 23° | 21° | 19° | 18° | 17° | 18° | 19° | 21° | 22° | 23° |
| Average low | 16° | 17° | 16° | 15° | 13° | 11° | 10° | 10° | 11° | 12° | 13° | 15° |
| Precipitation | 1 mm | 1 mm | 2 mm | 2 mm | 18 mm | 24 mm | 40 mm | 18 mm | 5 mm | 2 mm | 1 mm | 1 mm |
| Wet days (≥1 mm) | 1.2 | 1.5 | 1 | 0.7 | 0.3 | 2 | 0.7 | 0.7 | 0.5 | 0 | 1.8 | 0 |
| Cloud cover | 15% | 17% | 19% | 24% | 33% | 34% | 28% | 28% | 24% | 19% | 15% | 15% |
| Sea temperature | 17° | 18° | 17° | 16° | 15° | 14° | 13° | 13° | 13° | 14° | 14° | 16° |
| Daylight | 13h 51 | 13h 07 | 12h 17 | 11h 22 | 10h 38 | 10h 14 | 10h 24 | 11h 02 | 11h 54 | 12h 47 | 13h 37 | 14h 03 |
| Month score | 97 | 96 | 98 | 98 | 98 | 93 | 95 | 97 | 99 | 100 | 96 | 100 |