Vernal, UT vs Phoenix, AZ

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

Vernal is cooler than Phoenix (46.9°F vs 72.5°F annual avg) and similar rainfall to it (9.1 in vs 8.9 in per year). Vernal has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Vernal, UT

Annual avg
46.9°F
Annual precip
9.1 in
Warmest month
July (88.7°F)
Coldest month
January (10.0°F)
Annual swing
53.1°F
Semi-arid (cold) BSk USDA Zone 6b

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

Vernal

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 Vernal Phoenix
High Low Precip High Low Precip
January 29.2°F 10.0°F 0.62 in 65.4°F 44.1°F 1.17 in
February 37.1°F 16.5°F 0.56 in 68.1°F 46.1°F 1.21 in
March 51.1°F 26.5°F 0.68 in 75.0°F 50.9°F 1.09 in
April 59.9°F 33.5°F 0.75 in 82.5°F 56.6°F 0.35 in
May 70.2°F 42.6°F 1.04 in 91.5°F 64.7°F 0.19 in
June 81.4°F 50.5°F 0.59 in 101.5°F 72.7°F 0.03 in
July 88.7°F 56.7°F 0.54 in 104.0°F 80.8°F 0.81 in
August 86.0°F 55.1°F 0.81 in 102.5°F 80.5°F 0.96 in
September 76.3°F 46.1°F 1.22 in 97.5°F 74.7°F 0.71 in
October 61.2°F 34.8°F 1.15 in 86.3°F 62.7°F 0.67 in
November 45.7°F 23.5°F 0.51 in 74.0°F 50.8°F 0.90 in
December 31.3°F 12.7°F 0.61 in 63.9°F 42.7°F 0.81 in
Vernal overview
Full climate profile
 Phoenix overview
Full climate profile