Twin Falls, ID vs Seattle, WA

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

Twin Falls is cooler than Seattle (51.6°F vs 53.8°F annual avg) and drier than it (9.2 in vs 36.5 in per year). Twin Falls has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Twin Falls, ID

Annual avg
51.6°F
Annual precip
9.2 in
Warmest month
July (92.1°F)
Coldest month
January (22.4°F)
Annual swing
44.1°F
Semi-arid (cold) BSk USDA Zone 7b

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

Twin Falls

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 Twin Falls Seattle
High Low Precip High Low Precip
January 40.4°F 22.4°F 1.04 in 48.6°F 36.8°F 5.21 in
February 45.6°F 24.7°F 0.78 in 50.7°F 36.8°F 3.71 in
March 55.9°F 31.9°F 0.87 in 54.8°F 39.4°F 3.94 in
April 62.6°F 35.8°F 1.02 in 59.8°F 43.6°F 2.89 in
May 72.7°F 44.8°F 1.22 in 66.5°F 49.3°F 1.98 in
June 81.0°F 51.7°F 0.67 in 71.2°F 54.0°F 1.22 in
July 92.1°F 58.3°F 0.16 in 77.3°F 57.5°F 0.56 in
August 90.5°F 55.5°F 0.34 in 77.4°F 58.1°F 0.83 in
September 79.9°F 47.4°F 0.33 in 71.7°F 53.9°F 1.37 in
October 66.9°F 37.0°F 0.70 in 61.0°F 46.4°F 3.49 in
November 50.7°F 28.0°F 0.76 in 53.0°F 39.9°F 5.80 in
December 39.6°F 22.6°F 1.31 in 47.8°F 36.2°F 5.49 in
Twin Falls overview
Full climate profile
 Seattle overview
Full climate profile