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Cabo San Lucas climate by month
What the weather is like
Cabo San Lucas has a hot desert climate (Köppen BWh): very little rain and intense sun.
The warmest month is August, when afternoons average 29° and nights 26°. February is the coolest month, with highs of 22° and lows of 19°. The difference between the warmest and the coolest month is about 7°, a small seasonal swing typical of places tempered by the sea.
About 324 mm of precipitation falls in an average year. August is the wettest month (71 mm, 14 wet days) and March the driest (2 mm, 0 wet days). Cloud cover ranges from 9% in June to 34% in August.
The sea reaches about 29° in September. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Mexico City, the capital, Cabo San Lucas is 4.6° warmer on a August afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 29° · August
- Coldest nights
- 19° · March
- Wettest month
- August
- Driest month
- March
- Clearest skies
- June · 9% cloud
- Warmest sea
- 29° · September
- Longest day
- 13 h 32 min
- Shortest day
- 10 h 44 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 | 23° | 22° | 23° | 23° | 24° | 25° | 28° | 29° | 29° | 28° | 26° | 24° |
| Average low | 19° | 19° | 19° | 20° | 20° | 22° | 25° | 26° | 26° | 25° | 23° | 20° |
| Precipitation | 18 mm | 6 mm | 2 mm | 0 mm | 0 mm | 1 mm | 23 mm | 71 mm | 134 mm | 41 mm | 14 mm | 14 mm |
| Wet days (≥1 mm) | 0.8 | 1.3 | 0 | 0.3 | 0.8 | 1.7 | 4.3 | 13.7 | 12.3 | 5.7 | 0.3 | 1.5 |
| Cloud cover | 29% | 25% | 23% | 25% | 15% | 9% | 29% | 34% | 29% | 16% | 21% | 30% |
| Sea temperature | 23° | 22° | 22° | 21° | 22° | 23° | 26° | 28° | 29° | 29° | 27° | 25° |
| Daylight | 10h 53 | 11h 24 | 12h 00 | 12h 41 | 13h 14 | 13h 32 | 13h 24 | 12h 56 | 12h 17 | 11h 38 | 11h 03 | 10h 44 |
| Month score | 98 | 97 | 100 | 99 | 98 | 95 | 78 | 49 | 54 | 73 | 94 | 96 |