Silverthorne, CO vs Phoenix, AZ

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

Silverthorne is cooler than Phoenix (35.5°F vs 72.5°F annual avg) and wetter than it (14.9 in vs 8.9 in per year). Silverthorne has a Subarctic climate; Phoenix a Desert (hot) climate.

Silverthorne, CO

Annual avg
35.5°F
Annual precip
14.9 in
Warmest month
July (75.0°F)
Coldest month
January (1.5°F)
Annual swing
40.3°F
Subarctic Dfc USDA Zone 5b

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

Silverthorne

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 Silverthorne Phoenix
High Low Precip High Low Precip
January 31.1°F 1.5°F 0.95 in 65.4°F 44.1°F 1.17 in
February 33.4°F 3.6°F 0.99 in 68.1°F 46.1°F 1.21 in
March 40.5°F 10.5°F 1.15 in 75.0°F 50.9°F 1.09 in
April 47.5°F 18.1°F 1.42 in 82.5°F 56.6°F 0.35 in
May 57.6°F 25.9°F 1.34 in 91.5°F 64.7°F 0.19 in
June 69.1°F 32.6°F 1.13 in 101.5°F 72.7°F 0.03 in
July 75.0°F 38.1°F 1.87 in 104.0°F 80.8°F 0.81 in
August 72.5°F 36.9°F 1.91 in 102.5°F 80.5°F 0.96 in
September 66.2°F 29.7°F 1.40 in 97.5°F 74.7°F 0.71 in
October 54.1°F 20.7°F 0.98 in 86.3°F 62.7°F 0.67 in
November 41.1°F 11.4°F 0.88 in 74.0°F 50.8°F 0.90 in
December 31.7°F 3.0°F 0.87 in 63.9°F 42.7°F 0.81 in
Silverthorne overview
Full climate profile
 Phoenix overview
Full climate profile