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Tijuana has an arid subtropical climate (Köppen BSk), the same weather family as Los Angeles but noticeably drier. The city averages 230 mm of rain a year and about 3,015 hours of sunshine, so you can plan most days outdoors. Winters are mild and occasionally damp, while summers are warm, sunny and almost completely dry. Use this Tijuana weather by month breakdown to pick your dates, then check the best time to visit Tijuana for a season-by-season summary.
Tijuana Weather by Month: Temperature and Rainfall
The numbers below are 1991-2020 averages. The coldest month is December at 14.1°C mean, and the warmest is August at 22.7°C. Rain falls almost entirely between November and April; June, July and August usually record 0 mm.
| Month | Avg High | Avg Low | Rain (mm) |
|---|---|---|---|
| January | 20°C (68°F) | 9°C (48°F) | 45 |
| February | 19°C (66°F) | 9°C (48°F) | 35 |
| March | 20°C (68°F) | 10°C (50°F) | 45 |
| April | 21°C (70°F) | 12°C (54°F) | 20 |
| May | 22°C (72°F) | 14°C (57°F) | 5 |
| June | 24°C (75°F) | 15°C (59°F) | 0 |
| July | 26°C (79°F) | 17°C (63°F) | 0 |
| August | 27°C (81°F) | 18°C (64°F) | 0 |
| September | 27°C (81°F) | 18°C (63°F) | 5 |
| October | 25°C (77°F) | 15°C (59°F) | 10 |
| November | 22°C (72°F) | 12°C (54°F) | 35 |
| December | 19°C (66°F) | 9°C (48°F) | 35 |
Tijuana Weather by Month: Winter (December to February)
December and January are the coolest and wettest months, each with about 35-45 mm of rain over 4-6 days. Daytime highs sit near 19-20°C (66-68°F), but nights drop to 8-9°C (46-48°F) and inland areas can touch 1-2°C (34-36°F) on the coldest mornings. You still get 7-8 hours of daily sun. Bring a jacket for evenings and expect short, passing showers rather than full washouts.
Tijuana Weather by Month: Spring (March to May)
March still averages 45 mm of rain, but April drops to 20 mm and May to just 5 mm. Highs climb from 20°C (68°F) in March to 22°C (72°F) in May, with lows rising from 10°C to 14°C (50-57°F). May and June are known for morning marine-layer mist, often called June Gloom, that burns off by late morning. It is one of the most comfortable times to walk the city.
Tijuana Weather by Month: Summer (June to August)
June, July and August are bone dry, with 0 mm of rain in a typical year. August is the warmest month, averaging 27°C (81°F) on the coast but up to 31°C (88°F) in inland neighborhoods 30 km from the sea. July brings the most sun, about 10 hours a day. Expect Santa Ana winds from the interior to spike temperatures in autumn, and watch for Pacific hurricane remnants between June and October. For more detail, read our Tijuana neighborhoods guide. For more detail, read our Tijuana travel tips guide.
Tijuana Weather by Month: Autumn (September to November)
September stays warm at 27°C (81°F) high, but November cools to 22°C (72°F) and rain returns, averaging 35 mm. October gets about 10 mm. This is the window where Santa Ana winds most often push temperatures well above normal, so pack layers. Sea temperatures peak at 20.5°C (69°F) in August and September, the warmest the ocean gets all year. For more detail, read our complete Tijuana travel guide guide. For more detail, read our Tijuana events and festivals guide.
Tijuana Weather by Month: Sea Temperature and Sunshine
The Pacific stays cool because of a cold offshore current. Sea temperatures range from 15°C (59°F) in January and February to 20.5°C (69°F) in August and September, so swimming is bracing even in summer. If you want beach time, read the things to do in Tijuana guide for the best spots, and see the where to stay in Tijuana guide to book near the coast. For a month-by-month event calendar, open the Tijuana events and festivals page.
