Lyman, WY vs Seattle, WA

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

Lyman is cooler than Seattle (40.8°F vs 53.8°F annual avg) and drier than it (11 in vs 36.5 in per year). Lyman has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Lyman, WY

Annual avg
40.8°F
Annual precip
11 in
Warmest month
July (79.7°F)
Coldest month
December (10.6°F)
Annual swing
42.3°F
Warm-summer humid continental Dfb 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

Lyman

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 Lyman Seattle
High Low Precip High Low Precip
January 32.0°F 10.9°F 0.61 in 48.6°F 36.8°F 5.21 in
February 33.6°F 11.2°F 0.56 in 50.7°F 36.8°F 3.71 in
March 43.8°F 19.5°F 0.76 in 54.8°F 39.4°F 3.94 in
April 52.3°F 25.1°F 1.10 in 59.8°F 43.6°F 2.89 in
May 62.6°F 32.8°F 1.36 in 66.5°F 49.3°F 1.98 in
June 72.6°F 40.0°F 0.91 in 71.2°F 54.0°F 1.22 in
July 79.7°F 46.7°F 1.10 in 77.3°F 57.5°F 0.56 in
August 78.1°F 45.2°F 0.82 in 77.4°F 58.1°F 0.83 in
September 70.0°F 37.2°F 1.28 in 71.7°F 53.9°F 1.37 in
October 56.9°F 27.9°F 0.98 in 61.0°F 46.4°F 3.49 in
November 41.3°F 17.2°F 0.76 in 53.0°F 39.9°F 5.80 in
December 31.3°F 10.6°F 0.79 in 47.8°F 36.2°F 5.49 in
Lyman overview
Full climate profile
 Seattle overview
Full climate profile