| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 9.1° | 3° | 161.3mm | 20.4 | 35 |
| February | 10.1° | 3.1° | 100.5mm | 15.9 | 38 |
| March | 12.6° | 4.6° | 108.1mm | 17.8 | 46 |
| April | 15.5° | 6.4° | 75.6mm | 14.5 | 57 |
| May | 19.1° | 9.6° | 48mm | 10.5 | 76 |
| June | 22° | 12° | 38mm | 8.4 | 83 |
| July | 25.3° | 14.1° | 12.7mm | 3.3 | 93 |
| August | 25.1° | 14.3° | 19.5mm | 3.9 | 92 |
| September | 21.6° | 12° | 44.2mm | 7.7 | 85 |
| October | 16° | 8.4° | 105.6mm | 15 | 57 |
| November | 11.5° | 4.9° | 168.7mm | 19.6 | 43 |
| December | 8.5° | 2.9° | 167.1mm | 21.1 | 33 |
January in Tacoma averages a daily high of 9.1°C with nights around 3°C. Expect roughly 20.4 wet days totalling 161.3mm. Demanding conditions — pack for it and plan indoor options.
February in Tacoma averages a daily high of 10.1°C with nights around 3.1°C. Expect roughly 15.9 wet days totalling 100.5mm. Demanding conditions — pack for it and plan indoor options.
March in Tacoma averages a daily high of 12.6°C with nights around 4.6°C. Expect roughly 17.8 wet days totalling 108.1mm. Demanding conditions — pack for it and plan indoor options.
April in Tacoma averages a daily high of 15.5°C with nights around 6.4°C. Expect roughly 14.5 wet days totalling 75.6mm. Generally workable, with some weather to plan around.
May in Tacoma averages a daily high of 19.1°C with nights around 9.6°C. Expect roughly 10.5 wet days totalling 48mm. Comfortable conditions for being outdoors all day.
June in Tacoma averages a daily high of 22°C with nights around 12°C. Expect roughly 8.4 wet days totalling 38mm. Comfortable conditions for being outdoors all day.
July in Tacoma averages a daily high of 25.3°C with nights around 14.1°C. Expect roughly 3.3 wet days totalling 12.7mm. Comfortable conditions for being outdoors all day.
August in Tacoma averages a daily high of 25.1°C with nights around 14.3°C. Expect roughly 3.9 wet days totalling 19.5mm. Comfortable conditions for being outdoors all day.
September in Tacoma averages a daily high of 21.6°C with nights around 12°C. Expect roughly 7.7 wet days totalling 44.2mm. Comfortable conditions for being outdoors all day.
October in Tacoma averages a daily high of 16°C with nights around 8.4°C. Expect roughly 15 wet days totalling 105.6mm. Generally workable, with some weather to plan around.
November in Tacoma averages a daily high of 11.5°C with nights around 4.9°C. Expect roughly 19.6 wet days totalling 168.7mm. Demanding conditions — pack for it and plan indoor options.
December in Tacoma averages a daily high of 8.5°C with nights around 2.9°C. Expect roughly 21.1 wet days totalling 167.1mm. 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. Tacoma peaks at 93.
Based on 30 years of records, July–September scores highest for comfort in Tacoma, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 25.3°C.
November is the wettest, averaging 168.7mm of rain across roughly 19.6 wet days.
December is the coolest month, with average daily highs around 8.5°C.