Letts, IA vs Phoenix, AZ

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

Letts is cooler than Phoenix (48.8°F vs 72.5°F annual avg) and wetter than it (38.8 in vs 8.9 in per year). Letts has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Letts, IA

Annual avg
48.8°F
Annual precip
38.8 in
Warmest month
July (83.9°F)
Coldest month
January (10.9°F)
Annual swing
53°F
Pleasant months
1 / 12
Hot-summer humid continental Dfa 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

Letts

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 Letts Phoenix
High Low Precip High Low Precip
January 29.9°F 10.9°F 1.17 in 65.4°F 44.1°F 1.17 in
February 34.3°F 14.0°F 1.94 in 68.1°F 46.1°F 1.21 in
March 48.0°F 25.8°F 2.33 in 75.0°F 50.9°F 1.09 in
April 61.5°F 37.9°F 3.85 in 82.5°F 56.6°F 0.35 in
May 71.5°F 49.5°F 5.41 in 91.5°F 64.7°F 0.19 in
June 80.1°F 59.2°F 4.91 in 101.5°F 72.7°F 0.03 in
July 83.9°F 62.9°F 4.09 in 104.0°F 80.8°F 0.81 in
August 82.4°F 60.7°F 4.22 in 102.5°F 80.5°F 0.96 in
September 76.3°F 51.5°F 3.75 in 97.5°F 74.7°F 0.71 in
October 63.1°F 39.7°F 3.03 in 86.3°F 62.7°F 0.67 in
November 48.4°F 26.9°F 2.19 in 74.0°F 50.8°F 0.90 in
December 35.2°F 17.2°F 1.94 in 63.9°F 42.7°F 0.81 in
Letts overview
Full climate profile
Phoenix overview
Full climate profile