| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 21.4° | 9.2° | 80.8mm | 5.8 | 88 |
| February | 21.6° | 9.5° | 73mm | 6.1 | 88 |
| March | 22.9° | 10.6° | 46.7mm | 4.8 | 90 |
| April | 24.2° | 12° | 19.8mm | 2.7 | 95 |
| May | 25.1° | 14.4° | 17.6mm | 1.9 | 96 |
| June | 27.2° | 16.4° | 1.9mm | 0.8 | 98 |
| July | 30.5° | 18.5° | 2.9mm | 0.7 | 85 |
| August | 31.3° | 18.7° | 2.1mm | 0.1 | 83 |
| September | 30.7° | 17.9° | 4.3mm | 0.8 | 84 |
| October | 28.1° | 15.1° | 15.6mm | 2 | 92 |
| November | 24.6° | 11.7° | 25.3mm | 2.7 | 95 |
| December | 21.1° | 9° | 60.3mm | 5.8 | 88 |
January in Anaheim averages a daily high of 21.4°C with nights around 9.2°C. Expect roughly 5.8 wet days totalling 80.8mm. Comfortable conditions for being outdoors all day.
February in Anaheim averages a daily high of 21.6°C with nights around 9.5°C. Expect roughly 6.1 wet days totalling 73mm. Comfortable conditions for being outdoors all day.
March in Anaheim averages a daily high of 22.9°C with nights around 10.6°C. Expect roughly 4.8 wet days totalling 46.7mm. Comfortable conditions for being outdoors all day.
April in Anaheim averages a daily high of 24.2°C with nights around 12°C. Rain is rare — about 2.7 wet days and 19.8mm across the month. Comfortable conditions for being outdoors all day.
May in Anaheim averages a daily high of 25.1°C with nights around 14.4°C. Rain is rare — about 1.9 wet days and 17.6mm across the month. Comfortable conditions for being outdoors all day.
June in Anaheim averages a daily high of 27.2°C with nights around 16.4°C. Rain is rare — about 0.8 wet days and 1.9mm across the month. Comfortable conditions for being outdoors all day.
July in Anaheim averages a daily high of 30.5°C with nights around 18.5°C. Rain is rare — about 0.7 wet days and 2.9mm across the month. Comfortable conditions for being outdoors all day.
August in Anaheim averages a daily high of 31.3°C with nights around 18.7°C. Rain is rare — about 0.1 wet days and 2.1mm across the month. Comfortable conditions for being outdoors all day.
September in Anaheim averages a daily high of 30.7°C with nights around 17.9°C. Rain is rare — about 0.8 wet days and 4.3mm across the month. Comfortable conditions for being outdoors all day.
October in Anaheim averages a daily high of 28.1°C with nights around 15.1°C. Rain is rare — about 2 wet days and 15.6mm across the month. Comfortable conditions for being outdoors all day.
November in Anaheim averages a daily high of 24.6°C with nights around 11.7°C. Rain is rare — about 2.7 wet days and 25.3mm across the month. Comfortable conditions for being outdoors all day.
December in Anaheim averages a daily high of 21.1°C with nights around 9°C. Expect roughly 5.8 wet days totalling 60.3mm. 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. Anaheim peaks at 98.
Based on 30 years of records, March–June scores highest for comfort in Anaheim, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 31.3°C.
January is the wettest, averaging 80.8mm of rain across roughly 5.8 wet days.
December is the coolest month, with average daily highs around 21.1°C.