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La Paz, the capital of Baja California Sur, sits on the Gulf of California (Sea of Cortez) and has a hot desert climate (Köppen BWh). The city records only 170mm (6.7in) of rain across roughly 18 days a year, and daytime highs run from 24.5C (76F) in January to 36.7C (98F) in July. Sea temperatures stay between 20.5C (69F) in February and 29C (84F) in September, so the water is swimmable every month. This La Paz weather by month breakdown gives you the numbers for each season, and the La Paz travel guide covers the city as a whole.
La Paz Weather by Month: December to February
Winter is the coolest and driest period and the busiest season for visitors. January averages a high of 24.5C (76F) and a low of 12.2C (54F), with 15mm (0.6in) of rain over 2 days. February is slightly warmer at 25.9C (79F) by day and 12.4C (54F) at night, with just 5mm (0.2in) of rain. December sits at 25C (77F) by day and 13.6C (56F) at night. Nights feel cool, so bring a light jacket. Sea water is around 21C (70F) in January and 20.5C (69F) in February, which most people find fine for swimming with a wetsuit or short snorkel sessions. This is peak whale shark and grey whale season, covered in our best time to visit La Paz guide.
La Paz Weather by Month: March to May
Spring brings a fast warm-up and virtually zero rain: March, April and May each average 0mm of rainfall. March highs reach 28.4C (83F), April climbs to 31C (88F), and May hits 33.7C (93F). Nights warm from 13.4C (56F) in March to 16.8C (62F) in May. Humidity stays low in these months, which makes April and early May the most comfortable stretch for hiking, kayaking and trips out to the islands listed in our things to do in La Paz guide. Sea temperature rises from 20.5C (69F) in March to 22.5C (73F) in May.
La Paz Weather by Month: June to August
Summer is the hottest, most humid period and the start of hurricane season. June averages 35.8C (96F) by day, and July is the warmest month of the year at 36.7C (98F), with August nearly identical at 36.4C (98F). Night lows sit between 20.1C (68F) in June and 25.2C (77F) in August, so evenings stay hot. Rain is still limited: 0mm in June, 15mm (0.6in) in July and 35mm (1.4in) in August, but afternoon showers become possible and the humidity makes 33C feel like 40C. Sea water is at its warmest, 27C to 28.5C (81F to 83F). If you visit in this window, plan outdoor activities for early morning and check the La Paz events and festivals calendar, which is quieter in summer.
La Paz Weather by Month: September to November
September is the wettest month of the year, averaging 60mm (2.4in) over 4 days, and it is also the statistical peak of the eastern Pacific hurricane season, which runs June to November. Daytime highs ease from 34.8C (95F) in September to 33C (91F) in October and 29C (84F) in November. October records about 10mm (0.4in) and November 5mm (0.2in), and the humidity drops sharply once the first cold fronts arrive. The sea is still warm, holding at 29C (84F) in September and 26C (79F) in November. October and November are a strong shoulder season, and many visitors pair a stay with the neighborhoods in La Paz guide to pick a base near the Malecon.
La Paz Weather by Month: Climate Comparison Table
| Month | High | Low | Rain | Sea | Sun |
|---|---|---|---|---|---|
| January | 24.5C (76F) | 12.2C (54F) | 15mm | 21C | 7.5h |
| February | 25.9C (79F) | 12.4C (54F) | 5mm | 20.5C | 8.5h |
| March | 28.4C (83F) | 13.4C (56F) | 0mm | 20.5C | 9.5h |
| April | 31C (88F) | 15C (59F) | 0mm | 21C | 10h |
| May | 33.7C (93F) | 16.8C (62F) | 0mm | 22.5C | 11h |
| June | 35.8C (96F) | 20.1C (68F) | 0mm | 24.5C | 11h |
| July | 36.7C (98F) | 23.9C (75F) | 15mm | 27C | 9.5h |
| August | 36.4C (98F) | 25.2C (77F) | 35mm | 28.5C | 8.5h |
| September | 34.8C (95F) | 24.4C (76F) | 60mm | 29C | 8.5h |
| October | 33C (91F) | 20.8C (69F) | 10mm | 28C | 9h |
| November | 29C (84F) | 16.9C (62F) | 5mm | 26C | 8h |
| December | 25C (77F) | 13.6C (56F) | 15mm | 23C | 7h |
For hotel pricing by season and tips on what to pack for each month, see our where to stay in La Paz guide and the La Paz travel tips and FAQ page.
