Lynn, MA vs Seattle, WA

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

Lynn is cooler than Seattle (48.7°F vs 53.8°F annual avg) and wetter than it (48 in vs 36.5 in per year). Lynn has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Lynn, MA

Annual avg
48.7°F
Annual precip
48 in
Warmest month
July (80.3°F)
Coldest month
January (17.9°F)
Annual swing
43.5°F
Pleasant months
3 / 12
Warm-summer humid continental Dfb USDA Zone 7a

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

Lynn

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 Lynn Seattle
High Low Precip High Low Precip
January 36.1°F 17.9°F 3.75 in 48.6°F 36.8°F 5.21 in
February 37.9°F 19.6°F 3.50 in 50.7°F 36.8°F 3.71 in
March 44.3°F 26.3°F 4.71 in 54.8°F 39.4°F 3.94 in
April 55.1°F 35.6°F 4.30 in 59.8°F 43.6°F 2.89 in
May 65.2°F 45.0°F 3.48 in 66.5°F 49.3°F 1.98 in
June 74.2°F 54.4°F 4.14 in 71.2°F 54.0°F 1.22 in
July 80.3°F 60.7°F 3.48 in 77.3°F 57.5°F 0.56 in
August 79.0°F 59.6°F 3.25 in 77.4°F 58.1°F 0.83 in
September 72.3°F 53.0°F 3.56 in 71.7°F 53.9°F 1.37 in
October 61.2°F 42.3°F 5.00 in 61.0°F 46.4°F 3.49 in
November 50.7°F 32.9°F 4.15 in 53.0°F 39.9°F 5.80 in
December 41.6°F 24.3°F 4.70 in 47.8°F 36.2°F 5.49 in
Lynn overview
Full climate profile
 Seattle overview
Full climate profile