| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 2° | -7.2° | 74.5mm | 11.2 | 9 |
| February | 4.3° | -5.6° | 62mm | 9.3 | 20 |
| March | 10.5° | -0.9° | 88.3mm | 10.6 | 44 |
| April | 17.1° | 4.9° | 112.6mm | 12 | 67 |
| May | 22.7° | 10.9° | 115mm | 12.3 | 75 |
| June | 27.8° | 16.1° | 129.9mm | 11.3 | 74 |
| July | 29.2° | 17.8° | 101mm | 9.4 | 72 |
| August | 28.6° | 17° | 86.5mm | 9.1 | 75 |
| September | 25.6° | 12.7° | 87.9mm | 7.5 | 85 |
| October | 18.5° | 6.1° | 80.3mm | 8.7 | 78 |
| November | 11.7° | 0.8° | 77.7mm | 10 | 52 |
| December | 4.8° | -4.2° | 75mm | 11.5 | 19 |
January in Carmel averages a daily high of 2°C with nights around -7.2°C. Expect roughly 11.2 wet days totalling 74.5mm. A hard month to visit for comfort alone.
February in Carmel averages a daily high of 4.3°C with nights around -5.6°C. Expect roughly 9.3 wet days totalling 62mm. A hard month to visit for comfort alone.
March in Carmel averages a daily high of 10.5°C with nights around -0.9°C. Expect roughly 10.6 wet days totalling 88.3mm. Demanding conditions — pack for it and plan indoor options.
April in Carmel averages a daily high of 17.1°C with nights around 4.9°C. Expect roughly 12 wet days totalling 112.6mm. Generally workable, with some weather to plan around.
May in Carmel averages a daily high of 22.7°C with nights around 10.9°C. Expect roughly 12.3 wet days totalling 115mm. Comfortable conditions for being outdoors all day.
June in Carmel averages a daily high of 27.8°C with nights around 16.1°C. Expect roughly 11.3 wet days totalling 129.9mm. Generally workable, with some weather to plan around.
July in Carmel averages a daily high of 29.2°C with nights around 17.8°C. Expect roughly 9.4 wet days totalling 101mm. Generally workable, with some weather to plan around.
August in Carmel averages a daily high of 28.6°C with nights around 17°C. Expect roughly 9.1 wet days totalling 86.5mm. Comfortable conditions for being outdoors all day.
September in Carmel averages a daily high of 25.6°C with nights around 12.7°C. Expect roughly 7.5 wet days totalling 87.9mm. Comfortable conditions for being outdoors all day.
October in Carmel averages a daily high of 18.5°C with nights around 6.1°C. Expect roughly 8.7 wet days totalling 80.3mm. Comfortable conditions for being outdoors all day.
November in Carmel averages a daily high of 11.7°C with nights around 0.8°C. Expect roughly 10 wet days totalling 77.7mm. Demanding conditions — pack for it and plan indoor options.
December in Carmel averages a daily high of 4.8°C with nights around -4.2°C. Expect roughly 11.5 wet days totalling 75mm. A hard month to visit for comfort alone.
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. Carmel peaks at 85.
Based on 30 years of records, September–October scores highest for comfort in Carmel, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 29.2°C.
June is the wettest, averaging 129.9mm of rain across roughly 11.3 wet days.
January is the coolest month, with average daily highs around 2°C.