Harlem, MT vs Seattle, WA

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

Harlem is cooler than Seattle (43.6°F vs 53.8°F annual avg) and drier than it (12.5 in vs 36.5 in per year). Harlem has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Harlem, MT

Annual avg
43.6°F
Annual precip
12.5 in
Warmest month
July (85.0°F)
Coldest month
January (5.0°F)
Annual swing
52.7°F
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

Harlem

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 Harlem Seattle
High Low Precip High Low Precip
January 28.2°F 5.0°F 0.51 in 48.6°F 36.8°F 5.21 in
February 32.7°F 8.9°F 0.36 in 50.7°F 36.8°F 3.71 in
March 45.0°F 19.9°F 0.52 in 54.8°F 39.4°F 3.94 in
April 58.8°F 29.9°F 1.00 in 59.8°F 43.6°F 2.89 in
May 69.0°F 39.7°F 1.89 in 66.5°F 49.3°F 1.98 in
June 76.6°F 48.7°F 2.90 in 71.2°F 54.0°F 1.22 in
July 85.0°F 53.5°F 1.44 in 77.3°F 57.5°F 0.56 in
August 84.7°F 51.6°F 0.99 in 77.4°F 58.1°F 0.83 in
September 74.1°F 41.7°F 1.09 in 71.7°F 53.9°F 1.37 in
October 59.7°F 30.4°F 0.73 in 61.0°F 46.4°F 3.49 in
November 43.3°F 18.9°F 0.57 in 53.0°F 39.9°F 5.80 in
December 30.9°F 8.7°F 0.50 in 47.8°F 36.2°F 5.49 in
Harlem overview
Full climate profile
 Seattle overview
Full climate profile