Altona, IL vs Phoenix, AZ

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

Altona is cooler than Phoenix (49°F vs 72.5°F annual avg) and wetter than it (39.4 in vs 8.9 in per year). Altona has a Hot-summer humid continental climate; Phoenix a Desert (hot) climate.

Altona, IL

Annual avg
49°F
Annual precip
39.4 in
Warmest month
July (83.4°F)
Coldest month
January (13.0°F)
Annual swing
51.2°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

Altona

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 Altona Phoenix
High Low Precip High Low Precip
January 29.9°F 13.0°F 1.82 in 65.4°F 44.1°F 1.17 in
February 35.3°F 15.8°F 2.07 in 68.1°F 46.1°F 1.21 in
March 48.1°F 26.5°F 2.58 in 75.0°F 50.9°F 1.09 in
April 61.5°F 36.9°F 4.00 in 82.5°F 56.6°F 0.35 in
May 72.0°F 49.2°F 5.21 in 91.5°F 64.7°F 0.19 in
June 80.5°F 58.9°F 4.72 in 101.5°F 72.7°F 0.03 in
July 83.4°F 61.8°F 3.98 in 104.0°F 80.8°F 0.81 in
August 81.9°F 59.3°F 3.76 in 102.5°F 80.5°F 0.96 in
September 76.3°F 51.6°F 3.81 in 97.5°F 74.7°F 0.71 in
October 63.9°F 39.8°F 2.77 in 86.3°F 62.7°F 0.67 in
November 48.5°F 28.1°F 2.56 in 74.0°F 50.8°F 0.90 in
December 35.4°F 18.7°F 2.10 in 63.9°F 42.7°F 0.81 in
Altona overview
Full climate profile
 Phoenix overview
Full climate profile