Circle, MT vs Seattle, WA

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

Circle is cooler than Seattle (45.1°F vs 53.8°F annual avg) and drier than it (14.5 in vs 36.5 in per year). Circle has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Circle, MT

Annual avg
45.1°F
Annual precip
14.5 in
Warmest month
July (87.1°F)
Coldest month
January (7.8°F)
Annual swing
54°F
Pleasant months
1 / 12
Semi-arid (cold) BSk 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

Circle

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 Circle Seattle
High Low Precip High Low Precip
January 28.5°F 7.8°F 0.40 in 48.6°F 36.8°F 5.21 in
February 32.6°F 11.5°F 0.37 in 50.7°F 36.8°F 3.71 in
March 45.5°F 21.6°F 0.49 in 54.8°F 39.4°F 3.94 in
April 58.1°F 31.7°F 1.38 in 59.8°F 43.6°F 2.89 in
May 68.3°F 41.7°F 2.55 in 66.5°F 49.3°F 1.98 in
June 77.7°F 50.9°F 2.64 in 71.2°F 54.0°F 1.22 in
July 87.1°F 57.1°F 2.14 in 77.3°F 57.5°F 0.56 in
August 86.8°F 55.4°F 1.40 in 77.4°F 58.1°F 0.83 in
September 75.5°F 45.2°F 1.33 in 71.7°F 53.9°F 1.37 in
October 58.8°F 33.1°F 0.93 in 61.0°F 46.4°F 3.49 in
November 42.8°F 21.2°F 0.36 in 53.0°F 39.9°F 5.80 in
December 31.5°F 11.0°F 0.46 in 47.8°F 36.2°F 5.49 in
Circle overview
Full climate profile
 Seattle overview
Full climate profile