Grand Junction, CO vs Seattle, WA

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

Grand Junction is about the same temperature as Seattle (54.6°F vs 53.8°F annual avg) and drier than it (11.4 in vs 36.5 in per year). Grand Junction has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Grand Junction, CO

Annual avg
54.6°F
Annual precip
11.4 in
Warmest month
July (94.5°F)
Coldest month
January (19.4°F)
Annual swing
51.1°F
Pleasant months
1 / 12
Semi-arid (cold) BSk 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

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 39.0°F 19.4°F 0.77 in 48.6°F 36.8°F 5.21 in
February 46.7°F 26.0°F 0.65 in 50.7°F 36.8°F 3.71 in
March 58.6°F 34.5°F 0.87 in 54.8°F 39.4°F 3.94 in
April 66.9°F 41.0°F 1.06 in 59.8°F 43.6°F 2.89 in
May 76.7°F 50.0°F 1.27 in 66.5°F 49.3°F 1.98 in
June 89.2°F 59.1°F 0.60 in 71.2°F 54.0°F 1.22 in
July 94.5°F 66.0°F 0.89 in 77.3°F 57.5°F 0.56 in
August 90.8°F 63.9°F 1.03 in 77.4°F 58.1°F 0.83 in
September 82.0°F 55.0°F 1.47 in 71.7°F 53.9°F 1.37 in
October 67.1°F 41.8°F 1.27 in 61.0°F 46.4°F 3.49 in
November 52.1°F 30.2°F 0.81 in 53.0°F 39.9°F 5.80 in
December 39.1°F 21.0°F 0.68 in 47.8°F 36.2°F 5.49 in
Grand Junction overview
Full climate profile
 Seattle overview
Full climate profile