Rockville, UT vs Phoenix, AZ

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

Rockville is cooler than Phoenix (62°F vs 72.5°F annual avg) and wetter than it (16.3 in vs 8.9 in per year). Rockville has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Rockville, UT

Annual avg
62°F
Annual precip
16.3 in
Warmest month
July (100.3°F)
Coldest month
December (29.3°F)
Annual swing
44°F
Semi-arid (cold) BSk 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

Rockville

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 Rockville Phoenix
High Low Precip High Low Precip
January 53.8°F 30.4°F 1.99 in 65.4°F 44.1°F 1.17 in
February 57.6°F 33.6°F 2.06 in 68.1°F 46.1°F 1.21 in
March 66.1°F 38.7°F 2.01 in 75.0°F 50.9°F 1.09 in
April 73.1°F 43.8°F 1.22 in 82.5°F 56.6°F 0.35 in
May 83.5°F 52.5°F 0.77 in 91.5°F 64.7°F 0.19 in
June 95.3°F 62.2°F 0.23 in 101.5°F 72.7°F 0.03 in
July 100.3°F 69.5°F 1.15 in 104.0°F 80.8°F 0.81 in
August 98.0°F 68.7°F 1.63 in 102.5°F 80.5°F 0.96 in
September 90.7°F 61.3°F 1.17 in 97.5°F 74.7°F 0.71 in
October 78.1°F 48.8°F 1.22 in 86.3°F 62.7°F 0.67 in
November 63.9°F 37.3°F 1.18 in 74.0°F 50.8°F 0.90 in
December 52.5°F 29.3°F 1.64 in 63.9°F 42.7°F 0.81 in
Rockville overview
Full climate profile
 Phoenix overview
Full climate profile