Weather & Climate at Joint Base Lewis–McChord
Tacoma, WA
Summary of the weather and climate in Tacoma, WA:
- The average high is 62.6°F and the average low is 42.3°F.
- The hottest month is August with a high of 79.5°F.
- The coldest month is December with a low of 33.3°F.
- Annual rainfall is 40.42 inches; the rainiest month is November (6.73 in).
- Annual snowfall is 2.9 inches; the snowiest month is February (0.9 in).
Source: NOAA climate normals.
Temperatures through the year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Bars span each month's average low to average high (30°F – 80°F scale).
Monthly averages
| Month | High (°F) | Low (°F) | Rain (in) | Snow (in) | |
|---|---|---|---|---|---|
| January | 47.9 | 34.5 | 5.97 | 0.4 | |
| February | 51.6 | 34 | 3.9 | 0.9 | |
| March | 55.8 | 37 | 4.2 | 0 | |
| April | 61.4 | 40.1 | 3.15 | 0 | |
| May | 68.4 | 44.7 | 2.19 | 0 | |
| June | 73 | 49.5 | 1.72 | 0 | |
| July | 79.3 | 53.2 | 0.69 | 0 | |
| August | 79.5 | 52.7 | 0.92 | 0 | |
| September | 73.8 | 48.1 | 1.31 | 0 | |
| October | 62.2 | 42.6 | 3.77 | 0 | |
| November | 52.2 | 37.7 | 6.73 | 0.9 | |
| December | 46.3 | 33.3 | 5.87 | 0.7 |
MilBases