Sour Lake, TX vs Phoenix, AZ

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

Sour Lake is cooler than Phoenix (68.9°F vs 72.5°F annual avg) and wetter than it (61.9 in vs 8.9 in per year). Sour Lake has a Humid subtropical climate; Phoenix a Desert (hot) climate.

Sour Lake, TX

Annual avg
68.9°F
Annual precip
61.9 in
Warmest month
August (92.6°F)
Coldest month
January (42.2°F)
Annual swing
31.1°F
Pleasant months
3 / 12
Humid subtropical Cfa USDA Zone 9b

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

Sour Lake

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 Sour Lake Phoenix
High Low Precip High Low Precip
January 62.0°F 42.2°F 4.77 in 65.4°F 44.1°F 1.17 in
February 65.6°F 46.2°F 3.62 in 68.1°F 46.1°F 1.21 in
March 72.0°F 52.7°F 3.89 in 75.0°F 50.9°F 1.09 in
April 78.0°F 59.1°F 3.65 in 82.5°F 56.6°F 0.35 in
May 84.7°F 66.8°F 5.06 in 91.5°F 64.7°F 0.19 in
June 90.0°F 72.6°F 7.57 in 101.5°F 72.7°F 0.03 in
July 91.9°F 74.4°F 5.39 in 104.0°F 80.8°F 0.81 in
August 92.6°F 73.9°F 6.43 in 102.5°F 80.5°F 0.96 in
September 88.5°F 69.4°F 6.55 in 97.5°F 74.7°F 0.71 in
October 81.3°F 59.9°F 5.30 in 86.3°F 62.7°F 0.67 in
November 71.4°F 50.5°F 4.68 in 74.0°F 50.8°F 0.90 in
December 64.0°F 44.3°F 5.04 in 63.9°F 42.7°F 0.81 in
Sour Lake overview
Full climate profile
 Phoenix overview
Full climate profile