Fairfax, IA vs Seattle, WA

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

Fairfax is cooler than Seattle (48.3°F vs 53.8°F annual avg) and similar rainfall to it (35.9 in vs 36.5 in per year). Fairfax has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Fairfax, IA

Annual avg
48.3°F
Annual precip
35.9 in
Warmest month
July (82.8°F)
Coldest month
January (11.3°F)
Annual swing
53.2°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa USDA Zone 6b

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

Fairfax

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 Fairfax Seattle
High Low Precip High Low Precip
January 27.9°F 11.3°F 0.95 in 48.6°F 36.8°F 5.21 in
February 32.6°F 15.5°F 1.22 in 50.7°F 36.8°F 3.71 in
March 46.3°F 26.8°F 1.99 in 54.8°F 39.4°F 3.94 in
April 60.1°F 37.6°F 3.56 in 59.8°F 43.6°F 2.89 in
May 71.1°F 49.5°F 4.25 in 66.5°F 49.3°F 1.98 in
June 80.1°F 59.7°F 5.56 in 71.2°F 54.0°F 1.22 in
July 82.8°F 62.7°F 4.41 in 77.3°F 57.5°F 0.56 in
August 81.2°F 60.4°F 4.07 in 77.4°F 58.1°F 0.83 in
September 74.7°F 51.9°F 3.40 in 71.7°F 53.9°F 1.37 in
October 61.5°F 39.9°F 2.91 in 61.0°F 46.4°F 3.49 in
November 46.2°F 27.7°F 2.00 in 53.0°F 39.9°F 5.80 in
December 33.3°F 17.1°F 1.59 in 47.8°F 36.2°F 5.49 in
Fairfax overview
Full climate profile
 Seattle overview
Full climate profile