| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -5° | -12.9° | 13mm | 6 | 18 |
| February | -2.1° | -10.8° | 16.8mm | 6.4 | 17 |
| March | 1.3° | -8.4° | 14mm | 5.7 | 19 |
| April | 8.2° | -1.2° | 9.6mm | 4.6 | 48 |
| May | 14.6° | 5.1° | 14.7mm | 6.5 | 70 |
| June | 18.6° | 9.9° | 24.6mm | 9.8 | 76 |
| July | 20.1° | 12.2° | 51.1mm | 12.6 | 75 |
| August | 18.7° | 10.8° | 77.5mm | 16.1 | 66 |
| September | 13.7° | 6.1° | 79.3mm | 15.6 | 50 |
| October | 6.4° | -0.5° | 39.5mm | 10.8 | 31 |
| November | -1.7° | -8.6° | 20.1mm | 7.5 | 15 |
| December | -4° | -11.5° | 22.4mm | 7.7 | 15 |
January in Anchorage averages a daily high of -5°C with nights around -12.9°C. Expect roughly 6 wet days totalling 13mm. A hard month to visit for comfort alone.
February in Anchorage averages a daily high of -2.1°C with nights around -10.8°C. Expect roughly 6.4 wet days totalling 16.8mm. A hard month to visit for comfort alone.
March in Anchorage averages a daily high of 1.3°C with nights around -8.4°C. Expect roughly 5.7 wet days totalling 14mm. A hard month to visit for comfort alone.
April in Anchorage averages a daily high of 8.2°C with nights around -1.2°C. Expect roughly 4.6 wet days totalling 9.6mm. Demanding conditions — pack for it and plan indoor options.
May in Anchorage averages a daily high of 14.6°C with nights around 5.1°C. Expect roughly 6.5 wet days totalling 14.7mm. Generally workable, with some weather to plan around.
June in Anchorage averages a daily high of 18.6°C with nights around 9.9°C. Expect roughly 9.8 wet days totalling 24.6mm. Comfortable conditions for being outdoors all day.
July in Anchorage averages a daily high of 20.1°C with nights around 12.2°C. Expect roughly 12.6 wet days totalling 51.1mm. Comfortable conditions for being outdoors all day.
August in Anchorage averages a daily high of 18.7°C with nights around 10.8°C. Expect roughly 16.1 wet days totalling 77.5mm. Generally workable, with some weather to plan around.
September in Anchorage averages a daily high of 13.7°C with nights around 6.1°C. Expect roughly 15.6 wet days totalling 79.3mm. Demanding conditions — pack for it and plan indoor options.
October in Anchorage averages a daily high of 6.4°C with nights around -0.5°C. Expect roughly 10.8 wet days totalling 39.5mm. A hard month to visit for comfort alone.
November in Anchorage averages a daily high of -1.7°C with nights around -8.6°C. Expect roughly 7.5 wet days totalling 20.1mm. A hard month to visit for comfort alone.
December in Anchorage averages a daily high of -4°C with nights around -11.5°C. Expect roughly 7.7 wet days totalling 22.4mm. 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. Anchorage peaks at 76.
Based on 30 years of records, May–July scores highest for comfort in Anchorage, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 20.1°C.
September is the wettest, averaging 79.3mm of rain across roughly 15.6 wet days.
January is the coolest month, with average daily highs around -5°C.