Hartford, WI vs Seattle, WA

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

Hartford is cooler than Seattle (44.7°F vs 53.8°F annual avg) and similar rainfall to it (34.1 in vs 36.5 in per year). Hartford has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Hartford, WI

Annual avg
44.7°F
Annual precip
34.1 in
Warmest month
July (80.2°F)
Coldest month
January (8.5°F)
Annual swing
52°F
Pleasant months
2 / 12
Warm-summer humid continental Dfb USDA Zone 6a

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

Hartford

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 Hartford Seattle
High Low Precip High Low Precip
January 25.9°F 8.5°F 1.52 in 48.6°F 36.8°F 5.21 in
February 29.9°F 11.4°F 1.26 in 50.7°F 36.8°F 3.71 in
March 41.3°F 21.7°F 1.78 in 54.8°F 39.4°F 3.94 in
April 54.3°F 33.2°F 3.43 in 59.8°F 43.6°F 2.89 in
May 66.7°F 44.3°F 3.82 in 66.5°F 49.3°F 1.98 in
June 76.6°F 54.4°F 4.77 in 71.2°F 54.0°F 1.22 in
July 80.2°F 58.2°F 3.89 in 77.3°F 57.5°F 0.56 in
August 78.6°F 56.2°F 3.74 in 77.4°F 58.1°F 0.83 in
September 71.8°F 48.4°F 3.23 in 71.7°F 53.9°F 1.37 in
October 58.7°F 37.1°F 2.91 in 61.0°F 46.4°F 3.49 in
November 43.8°F 25.9°F 2.06 in 53.0°F 39.9°F 5.80 in
December 31.3°F 15.4°F 1.68 in 47.8°F 36.2°F 5.49 in
Hartford overview
Full climate profile
 Seattle overview
Full climate profile