Grand Junction, IA vs Seattle, WA

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

Grand Junction is cooler than Seattle (47.8°F vs 53.8°F annual avg) and similar rainfall to it (35.3 in vs 36.5 in per year). Grand Junction has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Grand Junction, IA

Annual avg
47.8°F
Annual precip
35.3 in
Warmest month
July (83.4°F)
Coldest month
January (9.1°F)
Annual swing
54.7°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa 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

Grand Junction

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 Grand Junction Seattle
High Low Precip High Low Precip
January 27.6°F 9.1°F 0.96 in 48.6°F 36.8°F 5.21 in
February 32.5°F 13.3°F 1.28 in 50.7°F 36.8°F 3.71 in
March 46.1°F 25.2°F 1.96 in 54.8°F 39.4°F 3.94 in
April 60.2°F 36.0°F 3.58 in 59.8°F 43.6°F 2.89 in
May 71.1°F 48.7°F 4.97 in 66.5°F 49.3°F 1.98 in
June 80.5°F 59.3°F 5.19 in 71.2°F 54.0°F 1.22 in
July 83.4°F 62.8°F 4.38 in 77.3°F 57.5°F 0.56 in
August 81.3°F 60.4°F 4.21 in 77.4°F 58.1°F 0.83 in
September 75.8°F 51.1°F 3.13 in 71.7°F 53.9°F 1.37 in
October 62.9°F 39.1°F 2.58 in 61.0°F 46.4°F 3.49 in
November 46.4°F 25.7°F 1.69 in 53.0°F 39.9°F 5.80 in
December 32.9°F 15.5°F 1.38 in 47.8°F 36.2°F 5.49 in
Grand Junction overview
Full climate profile
 Seattle overview
Full climate profile