St. John, WA vs Phoenix, AZ

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

St. John is cooler than Phoenix (49.3°F vs 72.5°F annual avg) and wetter than it (17.1 in vs 8.9 in per year). St. John has a Mediterranean continental (warm summer) climate; Phoenix a Desert (hot) climate.

St. John, WA

Annual avg
49.3°F
Annual precip
17.1 in
Warmest month
July (83.6°F)
Coldest month
December (27.9°F)
Annual swing
37.5°F
Mediterranean continental (warm summer) Dsb USDA Zone 8a

Phoenix, AZ

Annual avg
72.5°F
Annual precip
8.9 in
Warmest month
July (104.0°F)
Coldest month
December (42.7°F)
Annual swing
39.1°F
Pleasant months
2 / 12
Desert (hot) BWh USDA Zone 9b

Best months to visit each city

St. John

J
F
M
A
M
J
J
A
S
O
N
D

Phoenix

J
F
M
A
M
J
J
A
S
O
N
D

Month-by-month comparison

Month St. John Phoenix
High Low Precip High Low Precip
January 36.6°F 28.7°F 2.05 in 65.4°F 44.1°F 1.17 in
February 41.3°F 30.1°F 1.52 in 68.1°F 46.1°F 1.21 in
March 49.4°F 34.1°F 1.90 in 75.0°F 50.9°F 1.09 in
April 57.2°F 38.2°F 1.54 in 82.5°F 56.6°F 0.35 in
May 66.4°F 44.8°F 1.56 in 91.5°F 64.7°F 0.19 in
June 73.1°F 49.7°F 1.12 in 101.5°F 72.7°F 0.03 in
July 83.6°F 54.4°F 0.43 in 104.0°F 80.8°F 0.81 in
August 83.5°F 53.3°F 0.34 in 102.5°F 80.5°F 0.96 in
September 73.9°F 46.7°F 0.56 in 97.5°F 74.7°F 0.71 in
October 59.0°F 38.6°F 1.50 in 86.3°F 62.7°F 0.67 in
November 44.0°F 33.0°F 2.15 in 74.0°F 50.8°F 0.90 in
December 35.1°F 27.9°F 2.38 in 63.9°F 42.7°F 0.81 in
St. John overview
Full climate profile
 Phoenix overview
Full climate profile