Grafton, WI vs Phoenix, AZ

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

Grafton is cooler than Phoenix (47.8°F vs 72.5°F annual avg) and wetter than it (35.5 in vs 8.9 in per year). Grafton has a Warm-summer humid continental climate; Phoenix a Desert (hot) climate.

Grafton, WI

Annual avg
47.8°F
Annual precip
35.5 in
Warmest month
July (81.1°F)
Coldest month
January (17.0°F)
Annual swing
48°F
Pleasant months
3 / 12
Warm-summer humid continental Dfb USDA Zone 7a

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

Grafton

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 Grafton Phoenix
High Low Precip High Low Precip
January 30.0°F 17.0°F 1.58 in 65.4°F 44.1°F 1.17 in
February 33.1°F 18.5°F 1.73 in 68.1°F 46.1°F 1.21 in
March 42.7°F 26.4°F 2.07 in 75.0°F 50.9°F 1.09 in
April 54.1°F 36.2°F 3.94 in 82.5°F 56.6°F 0.35 in
May 65.7°F 46.2°F 3.99 in 91.5°F 64.7°F 0.19 in
June 75.5°F 56.0°F 4.50 in 101.5°F 72.7°F 0.03 in
July 81.1°F 62.0°F 3.61 in 104.0°F 80.8°F 0.81 in
August 79.8°F 60.7°F 3.77 in 102.5°F 80.5°F 0.96 in
September 72.5°F 53.9°F 3.18 in 97.5°F 74.7°F 0.71 in
October 60.5°F 42.6°F 2.98 in 86.3°F 62.7°F 0.67 in
November 46.4°F 31.2°F 2.15 in 74.0°F 50.8°F 0.90 in
December 35.2°F 21.4°F 2.01 in 63.9°F 42.7°F 0.81 in
Grafton overview
Full climate profile
 Phoenix overview
Full climate profile