Jefferson, WI vs Phoenix, AZ

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

Jefferson is cooler than Phoenix (47.2°F vs 72.5°F annual avg) and wetter than it (38.7 in vs 8.9 in per year). Jefferson has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Jefferson, WI

Annual avg
47.2°F
Annual precip
38.7 in
Warmest month
July (82.4°F)
Coldest month
January (11.0°F)
Annual swing
53.5°F
Pleasant months
2 / 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

Jefferson

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 Jefferson Phoenix
High Low Precip High Low Precip
January 26.8°F 11.0°F 1.64 in 65.4°F 44.1°F 1.17 in
February 31.1°F 14.1°F 1.58 in 68.1°F 46.1°F 1.21 in
March 43.2°F 24.6°F 2.14 in 75.0°F 50.9°F 1.09 in
April 56.3°F 35.5°F 4.02 in 82.5°F 56.6°F 0.35 in
May 68.7°F 48.1°F 4.45 in 91.5°F 64.7°F 0.19 in
June 78.8°F 58.1°F 4.97 in 101.5°F 72.7°F 0.03 in
July 82.4°F 62.4°F 4.54 in 104.0°F 80.8°F 0.81 in
August 80.4°F 60.8°F 4.30 in 102.5°F 80.5°F 0.96 in
September 73.6°F 51.8°F 3.72 in 97.5°F 74.7°F 0.71 in
October 60.3°F 40.6°F 3.12 in 86.3°F 62.7°F 0.67 in
November 45.1°F 28.5°F 2.37 in 74.0°F 50.8°F 0.90 in
December 32.5°F 18.2°F 1.89 in 63.9°F 42.7°F 0.81 in
Jefferson overview
Full climate profile
 Phoenix overview
Full climate profile