Surprise, AZ vs Seattle, WA

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

Surprise is warmer than Seattle (70.2°F vs 53.8°F annual avg) and drier than it (9.6 in vs 36.5 in per year). Surprise has a Desert (hot) climate; Seattle a Warm-summer Mediterranean climate.

Surprise, AZ

Annual avg
70.2°F
Annual precip
9.6 in
Warmest month
July (104.6°F)
Coldest month
December (39.0°F)
Annual swing
39.2°F
Desert (hot) BWh USDA Zone 9a

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

Surprise

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 Surprise Seattle
High Low Precip High Low Precip
January 65.2°F 39.2°F 1.38 in 48.6°F 36.8°F 5.21 in
February 68.2°F 41.4°F 1.45 in 50.7°F 36.8°F 3.71 in
March 74.9°F 45.6°F 1.00 in 54.8°F 39.4°F 3.94 in
April 82.1°F 50.6°F 0.25 in 59.8°F 43.6°F 2.89 in
May 91.8°F 59.9°F 0.09 in 66.5°F 49.3°F 1.98 in
June 101.8°F 69.1°F 0.07 in 71.2°F 54.0°F 1.22 in
July 104.6°F 76.8°F 0.89 in 77.3°F 57.5°F 0.56 in
August 103.3°F 76.9°F 1.13 in 77.4°F 58.1°F 0.83 in
September 97.6°F 69.8°F 1.06 in 71.7°F 53.9°F 1.37 in
October 86.5°F 57.1°F 0.66 in 61.0°F 46.4°F 3.49 in
November 74.1°F 45.8°F 0.67 in 53.0°F 39.9°F 5.80 in
December 64.1°F 39.0°F 0.95 in 47.8°F 36.2°F 5.49 in
Surprise overview
Full climate profile
 Seattle overview
Full climate profile