Williamsport, PA vs Seattle, WA

Side-by-side comparison of monthly climate normals (NOAA 1991-2020).

Williamsport is cooler than Seattle (51.8°F vs 53.8°F annual avg) and wetter than it (42.7 in vs 36.5 in per year). Williamsport has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Williamsport, PA

Annual avg
51.8°F
Annual precip
42.7 in
Warmest month
July (85.6°F)
Coldest month
January (20.5°F)
Annual swing
46.3°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa USDA Zone 7b

Seattle, WA

Annual avg
53.8°F
Annual precip
36.5 in
Warmest month
August (77.4°F)
Coldest month
December (36.2°F)
Annual swing
25.8°F
Pleasant months
4 / 12
Warm-summer Mediterranean Csb USDA Zone 9a

Best months to visit each city

Williamsport

J
F
M
A
M
J
J
A
S
O
N
D

Seattle

J
F
M
A
M
J
J
A
S
O
N
D

Month-by-month comparison

Month Williamsport Seattle
High Low Precip High Low Precip
January 35.6°F 20.5°F 2.99 in 48.6°F 36.8°F 5.21 in
February 39.1°F 21.9°F 2.39 in 50.7°F 36.8°F 3.71 in
March 48.9°F 29.1°F 3.29 in 54.8°F 39.4°F 3.94 in
April 62.5°F 39.2°F 3.62 in 59.8°F 43.6°F 2.89 in
May 73.5°F 49.7°F 3.83 in 66.5°F 49.3°F 1.98 in
June 81.4°F 58.9°F 3.92 in 71.2°F 54.0°F 1.22 in
July 85.6°F 63.2°F 4.30 in 77.3°F 57.5°F 0.56 in
August 83.7°F 62.2°F 3.80 in 77.4°F 58.1°F 0.83 in
September 76.3°F 54.7°F 4.54 in 71.7°F 53.9°F 1.37 in
October 63.6°F 43.2°F 3.69 in 61.0°F 46.4°F 3.49 in
November 50.8°F 33.3°F 3.09 in 53.0°F 39.9°F 5.80 in
December 39.8°F 25.7°F 3.26 in 47.8°F 36.2°F 5.49 in
Williamsport overview
Full climate profile
 Seattle overview
Full climate profile