Cabo San Lucas, Mexico Climate & Monthly Averages
The climate of Cabo San Lucas
Weather in Cabo San Lucas is shaped by its tropical wet-and-dry climate - expect year-round warmth split between a rainy season and a pronounced dry season. August afternoons typically reach 90°F (32°C), while January highs hover near 78°F (26°C). Annual precipitation averages 11.3 inches (287 mm) over about 28 rainy days.
Climate quick facts
- Hottest month: August - highs near 90°F (32°C)
- Coldest month: January - highs near 78°F (26°C)
- Record high: 100°F (38°C) · Record low: 50°F (10°C) (2015–2024)
- Wettest month: September (8 rainy days) · Sunniest: July (12.7 h sun/day)
- Climate type: tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season
Temperatures through the year
The warmest stretch of the year centers on August. Highs average 90°F (32°C) and overnight lows stay near 80°F (27°C). The coolest month is January, with typical highs of 78°F (26°C) and lows around 62°F (17°C). Based on 2015–2024 weather data, temperatures have reached as high as 100°F (38°C) and dropped as low as 50°F (10°C).
Rain, sun and snow
September is usually the wettest month. It brings about 4.0 inches (102 mm) of rain over 8 days, while April is the driest. July brings the most sunshine, averaging 12.7 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 78° | 62° | 1 | 0.2 in | 10.1 h/day | 58% |
| February | 78° | 63° | 1 | 0.3 in | 10.4 h/day | 58% |
| March | 81° | 65° | 0 | 0.0 in | 11.2 h/day | 51% |
| April | 83° | 67° | 0 | 0.0 in | 12.1 h/day | 48% |
| May | 86° | 70° | 0 | 0.0 in | 12.6 h/day | 48% |
| June | 87° | 74° | 2 | 0.8 in | 12.6 h/day | 57% |
| July | 91° | 79° | 3 | 0.7 in | 12.7 h/day | 61% |
| August | 90° | 80° | 7 | 3.2 in | 11.7 h/day | 70% |
| September | 89° | 79° | 8 | 4.0 in | 11.0 h/day | 75% |
| October | 88° | 76° | 3 | 1.3 in | 11.0 h/day | 66% |
| November | 84° | 70° | 2 | 0.6 in | 10.0 h/day | 62% |
| December | 80° | 65° | 1 | 0.1 in | 9.8 h/day | 61% |
Cabo San Lucas month by month
Cabo San Lucas weather in January
January brings highs around 78°F (26°C), lows near 62°F (17°C), about 1 wet days - typically the coldest month of the year in Cabo San Lucas.
Cabo San Lucas weather in February
February brings highs around 78°F (26°C), lows near 63°F (17°C), about 1 wet days.
Cabo San Lucas weather in March
March brings highs around 81°F (27°C), lows near 65°F (18°C), about 0 wet days.
Cabo San Lucas weather in April
April brings highs around 83°F (29°C), lows near 67°F (20°C), about 0 wet days - typically the driest month of the year in Cabo San Lucas.
Cabo San Lucas weather in May
May brings highs around 86°F (30°C), lows near 70°F (21°C), about 0 wet days.
Cabo San Lucas weather in June
June brings highs around 87°F (31°C), lows near 74°F (24°C), about 2 wet days.
Cabo San Lucas weather in July
July brings highs around 91°F (33°C), lows near 79°F (26°C), about 3 wet days - typically the sunniest month of the year in Cabo San Lucas.
Cabo San Lucas weather in August
August brings highs around 90°F (32°C), lows near 80°F (27°C), about 7 wet days - typically the hottest month of the year in Cabo San Lucas.
Cabo San Lucas weather in September
September brings highs around 89°F (31°C), lows near 79°F (26°C), about 8 wet days - typically the wettest month of the year in Cabo San Lucas.
Cabo San Lucas weather in October
October brings highs around 88°F (31°C), lows near 76°F (24°C), about 3 wet days.
Cabo San Lucas weather in November
November brings highs around 84°F (29°C), lows near 70°F (21°C), about 2 wet days.
Cabo San Lucas weather in December
December brings highs around 80°F (26°C), lows near 65°F (18°C), about 1 wet days.
Seasons in Cabo San Lucas
March through May
March through May in Cabo San Lucas runs hot, with daytime highs averaging 83°F (29°C) and nights around 67°F (20°C); precipitation is infrequent.
June through August
June through August in Cabo San Lucas runs hot, with daytime highs averaging 89°F (32°C) and nights around 78°F (26°C); rain falls on about 12 days over the three months.
September through November
September through November in Cabo San Lucas is hot, with daytime highs averaging 87°F (31°C) and nights around 75°F (24°C); rain falls on about 12 days over the three months.
December through February
December through February in Cabo San Lucas brings comfortable warmth, with daytime highs averaging 79°F (26°C) and nights around 63°F (17°C); precipitation is infrequent.
Climate questions, answered
What is the average temperature in Cabo San Lucas?
Is Cabo San Lucas hot in summer?
Is Cabo San Lucas cold in winter?
How many rainy days does Cabo San Lucas get in a year?
Best time to visit Cabo San Lucas
The best time to visit Cabo San Lucas is generally December to April, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 80°F (27°C).
Pack for Cabo San Lucas with lightweight, breathable clothing and strong sun protection for the hot months. Evenings can feel noticeably cooler than afternoons - August nights average 80°F (27°C).
Cabo San Lucas temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.