Petersburg, TX vs Phoenix, AZ

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

Petersburg is cooler than Phoenix (59.3°F vs 72.5°F annual avg) and wetter than it (19.2 in vs 8.9 in per year). Petersburg has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Petersburg, TX

Annual avg
59.3°F
Annual precip
19.2 in
Warmest month
July (90.7°F)
Coldest month
January (24.4°F)
Annual swing
39.3°F
Semi-arid (cold) BSk USDA Zone 7b

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

Petersburg

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 Petersburg Phoenix
High Low Precip High Low Precip
January 54.5°F 24.4°F 0.70 in 65.4°F 44.1°F 1.17 in
February 58.3°F 27.5°F 0.69 in 68.1°F 46.1°F 1.21 in
March 66.1°F 34.9°F 1.15 in 75.0°F 50.9°F 1.09 in
April 74.2°F 42.6°F 1.25 in 82.5°F 56.6°F 0.35 in
May 81.0°F 53.6°F 2.86 in 91.5°F 64.7°F 0.19 in
June 89.0°F 63.4°F 2.72 in 101.5°F 72.7°F 0.03 in
July 90.7°F 66.8°F 1.86 in 104.0°F 80.8°F 0.81 in
August 90.5°F 65.6°F 2.00 in 102.5°F 80.5°F 0.96 in
September 83.6°F 57.8°F 2.51 in 97.5°F 74.7°F 0.71 in
October 74.6°F 45.7°F 1.71 in 86.3°F 62.7°F 0.67 in
November 63.4°F 33.5°F 0.93 in 74.0°F 50.8°F 0.90 in
December 55.1°F 25.8°F 0.81 in 63.9°F 42.7°F 0.81 in
Petersburg overview
Full climate profile
 Phoenix overview
Full climate profile