Lancaster, CA vs Seattle, WA

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

Lancaster is warmer than Seattle (62.1°F vs 53.8°F annual avg) and drier than it (6.8 in vs 36.5 in per year). Lancaster has a Desert (cold) climate; Seattle a Warm-summer Mediterranean climate.

Lancaster, CA

Annual avg
62.1°F
Annual precip
6.8 in
Warmest month
August (97.8°F)
Coldest month
December (29.7°F)
Annual swing
38.7°F
Desert (cold) BWk USDA Zone 8a

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

Lancaster

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 Lancaster Seattle
High Low Precip High Low Precip
January 58.7°F 31.3°F 1.46 in 48.6°F 36.8°F 5.21 in
February 61.5°F 34.5°F 1.76 in 50.7°F 36.8°F 3.71 in
March 67.2°F 39.8°F 0.96 in 54.8°F 39.4°F 3.94 in
April 72.9°F 44.9°F 0.39 in 59.8°F 43.6°F 2.89 in
May 81.6°F 53.4°F 0.10 in 66.5°F 49.3°F 1.98 in
June 91.3°F 61.5°F 0.05 in 71.2°F 54.0°F 1.22 in
July 97.6°F 67.2°F 0.14 in 77.3°F 57.5°F 0.56 in
August 97.8°F 64.7°F 0.01 in 77.4°F 58.1°F 0.83 in
September 91.4°F 56.9°F 0.12 in 71.7°F 53.9°F 1.37 in
October 80.0°F 45.8°F 0.34 in 61.0°F 46.4°F 3.49 in
November 67.0°F 35.0°F 0.37 in 53.0°F 39.9°F 5.80 in
December 57.7°F 29.7°F 1.11 in 47.8°F 36.2°F 5.49 in
Lancaster overview
Full climate profile
 Seattle overview
Full climate profile