Sidney, MT vs Phoenix, AZ

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

Sidney is cooler than Phoenix (45.2°F vs 72.5°F annual avg) and wetter than it (15.5 in vs 8.9 in per year). Sidney has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Sidney, MT

Annual avg
45.2°F
Annual precip
15.5 in
Warmest month
July (86.6°F)
Coldest month
January (6.5°F)
Annual swing
55.1°F
Pleasant months
1 / 12
Semi-arid (cold) BSk USDA Zone 6a

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

Sidney

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 Sidney Phoenix
High Low Precip High Low Precip
January 27.2°F 6.5°F 0.45 in 65.4°F 44.1°F 1.17 in
February 32.0°F 10.6°F 0.37 in 68.1°F 46.1°F 1.21 in
March 45.8°F 21.0°F 0.58 in 75.0°F 50.9°F 1.09 in
April 60.5°F 31.8°F 1.17 in 82.5°F 56.6°F 0.35 in
May 71.3°F 42.7°F 2.40 in 91.5°F 64.7°F 0.19 in
June 79.1°F 52.3°F 2.78 in 101.5°F 72.7°F 0.03 in
July 86.6°F 57.3°F 2.65 in 104.0°F 80.8°F 0.81 in
August 86.4°F 55.1°F 1.30 in 102.5°F 80.5°F 0.96 in
September 75.8°F 45.5°F 1.62 in 97.5°F 74.7°F 0.71 in
October 59.4°F 33.6°F 1.08 in 86.3°F 62.7°F 0.67 in
November 41.9°F 21.2°F 0.59 in 74.0°F 50.8°F 0.90 in
December 30.6°F 10.7°F 0.51 in 63.9°F 42.7°F 0.81 in
Sidney overview
Full climate profile
 Phoenix overview
Full climate profile