● Head-to-Head Climate Comparison
Seattle vs. Boston August
In August, Boston is on average 3°F warmer with highs of 80.6°F compared to 77.4°F. Boston receives more precipitation (3.23" vs 0.97"). Seattle averages 5 rain days versus 9 in Boston.
Average High Temp
77.4° vs 80.6°
Seattle vs. Boston
Average Low Temp
57.5° vs 65.5°
Seattle vs. Boston
Precipitation
0.97" vs 3.23"
August total
Rain / Wet Days
5 vs 9
Seattle vs. Boston
12-Month Comparison Grid
| Month | Seattle High/Low | Boston High/Low | Seattle Rain | Boston Rain | Seattle Snow | Boston Snow |
|---|---|---|---|---|---|---|
| Jan | 48° / 37.8° | 36.8° / 23.1° | 5.78" | 3.39" | 1.9" | 14.3" |
| Feb | 50.4° / 37.4° | 39.4° / 24.8° | 3.76" | 3.25" | 2.1" | 14.4" |
| Mar | 54.4° / 39.8° | 46.1° / 31.6° | 4.17" | 4.19" | 0.4" | 9" |
| Apr | 59.2° / 43.1° | 56.6° / 41° | 3.18" | 3.73" | 0" | 1.6" |
| May | 65.6° / 48.6° | 66.8° / 50.4° | 2.16" | 3.25" | 0" | 0" |
| Jun | 71.1° / 53.4° | 76.8° / 60.1° | 1.45" | 3.86" | 0" | 0" |
| Jul | 77.2° / 57° | 82.4° / 66.4° | 0.6" | 3.27" | 0" | 0" |
| Aug | 77.4° / 57.5° | 80.6° / 65.5° | 0.97" | 3.23" | 0" | 0" |
| Sep | 71.8° / 53° | 73.2° / 58° | 1.61" | 3.56" | 0" | 0" |
| Oct | 60.3° / 46.7° | 62.1° / 47.4° | 3.91" | 3.94" | 0" | 0.1" |
| Nov | 51.9° / 41° | 51.6° / 38.3° | 6.31" | 3.98" | 0.3" | 1.3" |
| Dec | 46.7° / 37° | 42.3° / 29.3° | 5.72" | 4.28" | 1.6" | 8.5" |
Historical Warming Stripes (1950 → Present)
Seattle, WA
Boston, MA
See your weather in historical context
Explore 70+ years of daily historical data for Seattle and Boston. Visualize trends with stripes, heatmaps, box plots, and station normals.