Rio Vista, TX vs Phoenix, AZ

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

Rio Vista is cooler than Phoenix (65°F vs 72.5°F annual avg) and wetter than it (37.7 in vs 8.9 in per year). Rio Vista has a Humid subtropical climate; Phoenix a Desert (hot) climate.

Rio Vista, TX

Annual avg
65°F
Annual precip
37.7 in
Warmest month
August (95.3°F)
Coldest month
January (33.3°F)
Annual swing
38.6°F
Pleasant months
2 / 12
Humid subtropical Cfa USDA Zone 8b

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

Rio Vista

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 Rio Vista Phoenix
High Low Precip High Low Precip
January 56.8°F 33.3°F 2.61 in 65.4°F 44.1°F 1.17 in
February 61.0°F 37.1°F 2.52 in 68.1°F 46.1°F 1.21 in
March 68.2°F 44.5°F 3.47 in 75.0°F 50.9°F 1.09 in
April 76.2°F 52.5°F 3.08 in 82.5°F 56.6°F 0.35 in
May 82.7°F 61.9°F 4.27 in 91.5°F 64.7°F 0.19 in
June 90.4°F 69.9°F 3.90 in 101.5°F 72.7°F 0.03 in
July 94.8°F 72.5°F 2.11 in 104.0°F 80.8°F 0.81 in
August 95.3°F 72.2°F 2.83 in 102.5°F 80.5°F 0.96 in
September 88.6°F 65.7°F 3.02 in 97.5°F 74.7°F 0.71 in
October 78.4°F 54.4°F 4.43 in 86.3°F 62.7°F 0.67 in
November 66.9°F 43.5°F 2.92 in 74.0°F 50.8°F 0.90 in
December 58.4°F 35.5°F 2.53 in 63.9°F 42.7°F 0.81 in
Rio Vista overview
Full climate profile
 Phoenix overview
Full climate profile