Green River, WY vs Phoenix, AZ

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

Green River is cooler than Phoenix (44.1°F vs 72.5°F annual avg) and similar rainfall to it (10.3 in vs 8.9 in per year). Green River has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Green River, WY

Annual avg
44.1°F
Annual precip
10.3 in
Warmest month
July (86.6°F)
Coldest month
January (8.1°F)
Annual swing
50.1°F
Semi-arid (cold) BSk USDA Zone 6a

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

Green River

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 Green River Phoenix
High Low Precip High Low Precip
January 31.0°F 8.1°F 0.69 in 65.4°F 44.1°F 1.17 in
February 36.1°F 12.9°F 0.51 in 68.1°F 46.1°F 1.21 in
March 47.1°F 22.5°F 0.84 in 75.0°F 50.9°F 1.09 in
April 56.4°F 29.3°F 1.32 in 82.5°F 56.6°F 0.35 in
May 66.2°F 37.6°F 1.67 in 91.5°F 64.7°F 0.19 in
June 78.1°F 45.5°F 0.92 in 101.5°F 72.7°F 0.03 in
July 86.6°F 52.9°F 0.49 in 104.0°F 80.8°F 0.81 in
August 85.0°F 50.7°F 0.64 in 102.5°F 80.5°F 0.96 in
September 75.7°F 40.9°F 0.87 in 97.5°F 74.7°F 0.71 in
October 60.7°F 30.3°F 1.04 in 86.3°F 62.7°F 0.67 in
November 43.9°F 19.0°F 0.69 in 74.0°F 50.8°F 0.90 in
December 32.0°F 9.8°F 0.63 in 63.9°F 42.7°F 0.81 in
Green River overview
Full climate profile
 Phoenix overview
Full climate profile