Cabo San Lucas climate
Cabo San Lucas is warmest in August, with average highs of 31 °C, and coldest in February, when nights average 18 °C. September is the wettest month (127 mm) and May the driest (0.4 mm). Figures are 1991–2020 climate normals.
Across a full year Cabo San Lucas averages 280 mm of rain and 306 days above 25 °C.
Mexico · population 202,694 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month August 31 °C
- Coldest month February 18 °C
- Driest month May 0 mm
- Wettest month September 127 mm
- Least cloud June 17 % cloud
- Hottest on record June 38 °C
- Coldest on record February 9.8 °C
- Warmest sea September 29 °C
What to expectCabo San Lucas through the year
Cabo San Lucas has a clear annual cycle: average daily highs run from 25 °C in February to 31 °C in August, a swing of 7.5 °C in mean temperature across the year.
Counted across a normal year, 306 days a year reach 25 °C, 104 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in June.
Rain is strongly seasonal. September averages 127 mm against 0 mm in May — 362 times as much. Planning around the dry months matters more here than planning around temperature.
The sea off Cabo San Lucas is warmest in September at 29 °C and coldest in April at 21 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 24.9 °C | 8 mm | 40 % |
| February | 25.0 °C | 8 mm | 38 % |
| March | 25.8 °C | 1 mm | 33 % |
| April | 26.8 °C | under 1 mm | 36 % |
| May | 28.0 °C | under 1 mm | 24 % |
| June | 29.0 °C | 7 mm | 17 % |
| July | 30.8 °C | 17 mm | 42 % |
| August | 31.3 °C | 62 mm | 51 % |
| September | 30.6 °C | 127 mm | 47 % |
| October | 30.5 °C | 24 mm | 25 % |
| November | 28.4 °C | 15 mm | 32 % |
| December | 25.7 °C | 10 mm | 44 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 24.9 °C | 17.8 °C | 21.2 °C | 31.4 °C | 12.8 °C | 15 | 0 | 0 |
| February | 25.0 °C | 17.7 °C | 21.3 °C | 32.4 °C | 9.8 °C | 13 | 0 | 0 |
| March | 25.8 °C | 18.4 °C | 22.0 °C | 33.3 °C | 13.3 °C | 20 | 1 | 0 |
| April | 26.8 °C | 19.6 °C | 23.1 °C | 34.9 °C | 14.9 °C | 25 | 2 | 0 |
| May | 28.0 °C | 21.2 °C | 24.6 °C | 36.5 °C | 16.4 °C | 30 | 3 | 0 |
| June | 29.0 °C | 23.2 °C | 26.0 °C | 37.9 °C | 18.9 °C | 30 | 7 | 0 |
| July | 30.8 °C | 25.7 °C | 28.0 °C | 36.5 °C | 21.1 °C | 31 | 21 | 0 |
| August | 31.3 °C | 26.6 °C | 28.7 °C | 36.7 °C | 23.7 °C | 31 | 25 | 0 |
| September | 30.6 °C | 26.3 °C | 28.2 °C | 35.1 °C | 22.4 °C | 30 | 19 | 0 |
| October | 30.5 °C | 25.0 °C | 27.6 °C | 36.4 °C | 19.6 °C | 31 | 20 | 0 |
| November | 28.4 °C | 22.0 °C | 25.1 °C | 34.6 °C | 16.9 °C | 29 | 5 | 0 |
| December | 25.7 °C | 19.0 °C | 22.2 °C | 30.7 °C | 11.7 °C | 20 | 0 | 0 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind | Sea temp |
|---|---|---|---|---|---|---|---|
| January | 8 mm | 1 | 11 h/day | 40 % | 66 % | 15 km/h | 23.1 °C |
| February | 8 mm | 1 | 11 h/day | 38 % | 65 % | 17 km/h | 22.1 °C |
| March | 1 mm | 0 | 12 h/day | 33 % | 62 % | 19 km/h | 21.5 °C |
| April | under 1 mm | 0 | 13 h/day | 36 % | 59 % | 20 km/h | 21.3 °C |
| May | under 1 mm | 0 | 13 h/day | 24 % | 59 % | 21 km/h | 22.2 °C |
| June | 7 mm | 1 | 14 h/day | 17 % | 65 % | 21 km/h | 23.2 °C |
| July | 17 mm | 3 | 13 h/day | 42 % | 69 % | 19 km/h | 26.4 °C |
| August | 62 mm | 9 | 13 h/day | 51 % | 74 % | 19 km/h | 28.4 °C |
| September | 127 mm | 10 | 12 h/day | 47 % | 79 % | 19 km/h | 28.7 °C |
| October | 24 mm | 3 | 12 h/day | 25 % | 70 % | 18 km/h | 28.7 °C |
| November | 15 mm | 2 | 11 h/day | 32 % | 67 % | 16 km/h | 27.0 °C |
| December | 10 mm | 1 | 11 h/day | 44 % | 66 % | 16 km/h | 25.0 °C |
How Cabo San Lucas compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Cabo San Lucas | 31 °C | 18 °C | 280 mm | 306 |
| La Paz · Mexico | 35 °C | 15 °C | 225 mm | 294 |
| Culiacán · Mexico | 36 °C | 13 °C | 649 mm | 351 |
| Los Mochis · Mexico | 35 °C | 13 °C | 339 mm | 329 |
| Mazatlán · Mexico | 31 °C | 16 °C | 785 mm | 328 |
| Tepic · Mexico | 31 °C | 13 °C | 1,538 mm | 315 |
| Puerto Vallarta · Mexico | 32 °C | 18 °C | 1,404 mm | 357 |
Where Cabo San Lucas ranks
| Ranking | Position | Value |
|---|---|---|
| The driest places in North America in April | 2ndof 50 | 0.4 mm |
| The driest places in North America in March | 2ndof 50 | 1.2 mm |
| The driest places in North America in May | 2ndof 50 | 0.4 mm |
| Best beach destinations in the world year-round | 4thof 50 | 92/100 |
| Best beach destinations in the world in November | 7thof 50 | 99/100 |
| Best beach destinations in the world in May | 13thof 50 | 95/100 |
Planning a trip? See the best time to visit Cabo San Lucas.
QuestionsCommon questions about Cabo San Lucas’s climate
When is the best time to visit Cabo San Lucas?
That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, March sit closest to 20 °C on average, August is the warmest month and May the driest. The month-by-month table above has the full picture.
How hot does Cabo San Lucas get?
In August, the warmest month, daily highs average 31 °C. About 104 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.
How cold does it get in winter?
Nights average 18 °C in February, the coldest month. Freezing nights are not part of a normal year here.
Which month is wettest in Cabo San Lucas?
September, averaging 127 mm over 10 days with rain. The driest month is May with 0 mm. The year as a whole averages 280 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Cabo San Lucas rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.