Marthasville, MO vs Phoenix, AZ

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

Marthasville is cooler than Phoenix (54.8°F vs 72.5°F annual avg) and wetter than it (44.1 in vs 8.9 in per year). Marthasville has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Marthasville, MO

Annual avg
54.8°F
Annual precip
44.1 in
Warmest month
July (88.3°F)
Coldest month
January (20.2°F)
Annual swing
47.5°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa 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

Marthasville

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 Marthasville Phoenix
High Low Precip High Low Precip
January 39.9°F 20.2°F 2.52 in 65.4°F 44.1°F 1.17 in
February 45.4°F 23.4°F 2.52 in 68.1°F 46.1°F 1.21 in
March 55.8°F 32.1°F 3.66 in 75.0°F 50.9°F 1.09 in
April 67.3°F 42.8°F 4.57 in 82.5°F 56.6°F 0.35 in
May 75.8°F 54.2°F 5.30 in 91.5°F 64.7°F 0.19 in
June 83.8°F 63.6°F 4.20 in 101.5°F 72.7°F 0.03 in
July 88.3°F 67.0°F 4.19 in 104.0°F 80.8°F 0.81 in
August 86.9°F 64.9°F 3.75 in 102.5°F 80.5°F 0.96 in
September 79.5°F 55.9°F 3.71 in 97.5°F 74.7°F 0.71 in
October 68.9°F 43.6°F 3.37 in 86.3°F 62.7°F 0.67 in
November 55.3°F 32.8°F 3.67 in 74.0°F 50.8°F 0.90 in
December 44.5°F 24.3°F 2.64 in 63.9°F 42.7°F 0.81 in
Marthasville overview
Full climate profile
 Phoenix overview
Full climate profile