Silverton, CO vs Phoenix, AZ

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

Silverton is cooler than Phoenix (34.7°F vs 72.5°F annual avg) and wetter than it (23.9 in vs 8.9 in per year). Silverton has a Subarctic climate; Phoenix a Desert (hot) climate.

Silverton, CO

Annual avg
34.7°F
Annual precip
23.9 in
Warmest month
July (74.7°F)
Coldest month
January (-5.9°F)
Annual swing
42.2°F
Subarctic Dfc USDA Zone 4b

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

Silverton

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 Silverton Phoenix
High Low Precip High Low Precip
January 34.4°F -5.9°F 2.04 in 65.4°F 44.1°F 1.17 in
February 36.3°F -2.8°F 2.10 in 68.1°F 46.1°F 1.21 in
March 42.7°F 6.1°F 2.05 in 75.0°F 50.9°F 1.09 in
April 48.2°F 17.0°F 1.74 in 82.5°F 56.6°F 0.35 in
May 58.4°F 25.4°F 1.68 in 91.5°F 64.7°F 0.19 in
June 70.0°F 31.0°F 0.93 in 101.5°F 72.7°F 0.03 in
July 74.7°F 38.3°F 2.38 in 104.0°F 80.8°F 0.81 in
August 71.9°F 37.0°F 2.83 in 102.5°F 80.5°F 0.96 in
September 65.6°F 29.7°F 2.75 in 97.5°F 74.7°F 0.71 in
October 55.0°F 20.1°F 2.13 in 86.3°F 62.7°F 0.67 in
November 43.0°F 7.0°F 1.66 in 74.0°F 50.8°F 0.90 in
December 33.5°F -4.6°F 1.63 in 63.9°F 42.7°F 0.81 in
Silverton overview
Full climate profile
 Phoenix overview
Full climate profile