Marengo, IA vs Phoenix, AZ

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

Marengo is cooler than Phoenix (48.2°F vs 72.5°F annual avg) and wetter than it (37.7 in vs 8.9 in per year). Marengo has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Marengo, IA

Annual avg
48.2°F
Annual precip
37.7 in
Warmest month
July (84.0°F)
Coldest month
January (10.4°F)
Annual swing
53.9°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

Marengo

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 Marengo Phoenix
High Low Precip High Low Precip
January 28.4°F 10.4°F 1.16 in 65.4°F 44.1°F 1.17 in
February 33.0°F 14.3°F 1.46 in 68.1°F 46.1°F 1.21 in
March 46.5°F 25.8°F 2.19 in 75.0°F 50.9°F 1.09 in
April 60.4°F 36.4°F 3.92 in 82.5°F 56.6°F 0.35 in
May 71.3°F 48.9°F 4.85 in 91.5°F 64.7°F 0.19 in
June 80.5°F 59.4°F 4.80 in 101.5°F 72.7°F 0.03 in
July 84.0°F 62.6°F 4.32 in 104.0°F 80.8°F 0.81 in
August 82.1°F 59.7°F 4.47 in 102.5°F 80.5°F 0.96 in
September 76.3°F 50.7°F 3.80 in 97.5°F 74.7°F 0.71 in
October 63.0°F 38.6°F 2.83 in 86.3°F 62.7°F 0.67 in
November 47.3°F 26.9°F 2.20 in 74.0°F 50.8°F 0.90 in
December 34.2°F 16.3°F 1.69 in 63.9°F 42.7°F 0.81 in
Marengo overview
Full climate profile
 Phoenix overview
Full climate profile