Grantsville, MD vs Seattle, WA

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

Grantsville is cooler than Seattle (47.1°F vs 53.8°F annual avg) and wetter than it (41.7 in vs 36.5 in per year). Grantsville has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Grantsville, MD

Annual avg
47.1°F
Annual precip
41.7 in
Warmest month
July (79.5°F)
Coldest month
January (16.7°F)
Annual swing
42.4°F
Pleasant months
3 / 12
Warm-summer humid continental Dfb 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

Grantsville

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 Grantsville Seattle
High Low Precip High Low Precip
January 34.4°F 16.7°F 3.01 in 48.6°F 36.8°F 5.21 in
February 37.6°F 16.7°F 2.70 in 50.7°F 36.8°F 3.71 in
March 45.8°F 23.6°F 3.65 in 54.8°F 39.4°F 3.94 in
April 58.7°F 33.0°F 3.53 in 59.8°F 43.6°F 2.89 in
May 67.8°F 43.1°F 4.35 in 66.5°F 49.3°F 1.98 in
June 75.8°F 52.0°F 4.34 in 71.2°F 54.0°F 1.22 in
July 79.5°F 56.3°F 4.11 in 77.3°F 57.5°F 0.56 in
August 78.5°F 54.4°F 3.67 in 77.4°F 58.1°F 0.83 in
September 73.2°F 47.7°F 3.62 in 71.7°F 53.9°F 1.37 in
October 61.1°F 36.6°F 2.98 in 61.0°F 46.4°F 3.49 in
November 49.3°F 27.8°F 2.66 in 53.0°F 39.9°F 5.80 in
December 38.9°F 21.3°F 3.06 in 47.8°F 36.2°F 5.49 in
Grantsville overview
Full climate profile
 Seattle overview
Full climate profile