Cabo weather in January
January is one of Cabo San Lucas’s coolest months, with a marked difference between warm afternoons and cooler mornings and evenings. It suits travelers who want winter sunshine without the stronger heat of late summer, but a beach wardrobe alone may leave you cold on an early boat ride.
For the year-round comparison and official forecast sources, use our Cabo weather guide.
January temperatures and rainfall
| Climate measure | 1991–2020 normal |
|---|---|
| Average daily high | 26.6°C (79.9°F) |
| Average daily low | 12.8°C (55.0°F) |
| Mean temperature | 19.7°C (67.5°F) |
| Monthly rainfall | 6.2 mm (0.24 in) |
| Mean days with rain | 0.9 |
Reference: SMN station 3005, Cabo San Lucas, 1991–2020 normals. These are historical station averages, not a forecast, daily limits or measurements for every part of Los Cabos. Mean rainy days can be fractional because they are averaged across years.
Rain and seasonal conditions
January is relatively dry in the station record, though winter rain is possible. A low monthly average does not promise a cloud-free holiday or calm water. Check the short-range forecast before arranging a full day outside.
Swimming and time on the water
A warm afternoon on land does not mean the ocean will feel equally warm. Ask your snorkeling or dive provider about recent water conditions and suitable thermal protection. Wind and boat travel can make the return feel cooler after a swim.
Planning activities in January
Winter is associated with whale-watching opportunities, subject to the current authorized season and operator availability. Town walks, golf and desert outings can also fit the milder days. Whale-shark excursions normally advertised from La Paz are a separate journey, not a guaranteed encounter in Cabo Bay.
What to pack
Pack light daytime clothing plus a sweater or light jacket, particularly for early departures and evenings. Bring sun protection, swimwear and comfortable walking shoes. An art-district stroll in San José del Cabo can work well when you want time ashore.
Dates, bookings and flexibility
January can be a busy winter-travel period. Compare the actual dates, hotel terms and tour requirements rather than assuming either bargain prices or automatic availability. Reserve the experiences that matter to you, while leaving room to change a water activity if conditions require it.
An additional visitor perspective
The retained video provides additional travel context. Use current official forecasts and operator information for decisions about your own dates, rather than treating the video as a weather forecast.
Compare your options
December offers the approach to the winter holidays, while February keeps a similar cool-season character. Use the two neighboring guides to compare your possible dates.
Read Cabo weather in December and Cabo weather in February for the neighboring-month comparisons.