Rock Springs, WI vs Seattle, WA

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

Rock Springs is cooler than Seattle (46.6°F vs 53.8°F annual avg) and drier than it (0 in vs 36.5 in per year). Rock Springs has a Desert (cold) climate; Seattle a Warm-summer Mediterranean climate.

Rock Springs, WI

Annual avg
46.6°F
Annual precip
0 in
Warmest month
July (79.7°F)
Coldest month
January (11.5°F)
Annual swing
52.5°F
Pleasant months
4 / 12
Desert (cold) BWk 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

Rock Springs

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 Rock Springs Seattle
High Low Precip High Low Precip
January 25.3°F 11.5°F — in 48.6°F 36.8°F 5.21 in
February 30.4°F 14.2°F — in 50.7°F 36.8°F 3.71 in
March 42.5°F 25.7°F — in 54.8°F 39.4°F 3.94 in
April 56.7°F 36.4°F — in 59.8°F 43.6°F 2.89 in
May 67.6°F 48.3°F — in 66.5°F 49.3°F 1.98 in
June 76.0°F 58.6°F — in 71.2°F 54.0°F 1.22 in
July 79.7°F 62.1°F — in 77.3°F 57.5°F 0.56 in
August 77.2°F 60.6°F — in 77.4°F 58.1°F 0.83 in
September 71.3°F 53.1°F — in 71.7°F 53.9°F 1.37 in
October 58.4°F 42.1°F — in 61.0°F 46.4°F 3.49 in
November 43.6°F 29.3°F — in 53.0°F 39.9°F 5.80 in
December 29.8°F 18.0°F — in 47.8°F 36.2°F 5.49 in
Rock Springs overview
Full climate profile
 Seattle overview
Full climate profile