| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 19.6° | 6.7° | 42.7mm | 6.8 | 85 |
| February | 19.1° | 7° | 52.1mm | 7.3 | 83 |
| March | 19.8° | 8.3° | 34.7mm | 7.6 | 84 |
| April | 21.1° | 9.9° | 20.1mm | 5.8 | 88 |
| May | 22° | 12.6° | 7.4mm | 3 | 94 |
| June | 23.7° | 14.7° | 1.3mm | 1.5 | 97 |
| July | 26° | 16.7° | 0.8mm | 1.1 | 98 |
| August | 27.1° | 17.3° | 1.7mm | 0.9 | 98 |
| September | 26.9° | 16.2° | 3.5mm | 1.9 | 96 |
| October | 25.1° | 13.1° | 12.4mm | 3.4 | 93 |
| November | 22.4° | 9.2° | 23.2mm | 4.9 | 90 |
| December | 19.4° | 6.7° | 41.5mm | 6.8 | 84 |
January in Tijuana averages a daily high of 19.6°C with nights around 6.7°C. Expect roughly 6.8 wet days totalling 42.7mm. Comfortable conditions for being outdoors all day.
February in Tijuana averages a daily high of 19.1°C with nights around 7°C. Expect roughly 7.3 wet days totalling 52.1mm. Comfortable conditions for being outdoors all day.
March in Tijuana averages a daily high of 19.8°C with nights around 8.3°C. Expect roughly 7.6 wet days totalling 34.7mm. Comfortable conditions for being outdoors all day.
April in Tijuana averages a daily high of 21.1°C with nights around 9.9°C. Expect roughly 5.8 wet days totalling 20.1mm. Comfortable conditions for being outdoors all day.
May in Tijuana averages a daily high of 22°C with nights around 12.6°C. Expect roughly 3 wet days totalling 7.4mm. Comfortable conditions for being outdoors all day.
June in Tijuana averages a daily high of 23.7°C with nights around 14.7°C. Rain is rare — about 1.5 wet days and 1.3mm across the month. Comfortable conditions for being outdoors all day.
July in Tijuana averages a daily high of 26°C with nights around 16.7°C. Rain is rare — about 1.1 wet days and 0.8mm across the month. Comfortable conditions for being outdoors all day.
August in Tijuana averages a daily high of 27.1°C with nights around 17.3°C. Rain is rare — about 0.9 wet days and 1.7mm across the month. Comfortable conditions for being outdoors all day.
September in Tijuana averages a daily high of 26.9°C with nights around 16.2°C. Rain is rare — about 1.9 wet days and 3.5mm across the month. Comfortable conditions for being outdoors all day.
October in Tijuana averages a daily high of 25.1°C with nights around 13.1°C. Expect roughly 3.4 wet days totalling 12.4mm. Comfortable conditions for being outdoors all day.
November in Tijuana averages a daily high of 22.4°C with nights around 9.2°C. Expect roughly 4.9 wet days totalling 23.2mm. Comfortable conditions for being outdoors all day.
December in Tijuana averages a daily high of 19.4°C with nights around 6.7°C. Expect roughly 6.8 wet days totalling 41.5mm. Comfortable conditions for being outdoors all day.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Tijuana peaks at 98.
Based on 30 years of records, May–November scores highest for comfort in Tijuana, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 27.1°C.
February is the wettest, averaging 52.1mm of rain across roughly 7.3 wet days.
February is the coolest month, with average daily highs around 19.1°C.