Roswell, NM vs Phoenix, AZ

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

Roswell is cooler than Phoenix (59.4°F vs 72.5°F annual avg) and similar rainfall to it (11.6 in vs 8.9 in per year). Roswell has a Semi-arid (cold) climate; Phoenix a Desert (hot) climate.

Roswell, NM

Annual avg
59.4°F
Annual precip
11.6 in
Warmest month
July (93.9°F)
Coldest month
January (22.6°F)
Annual swing
40.4°F
Semi-arid (cold) BSk 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

Roswell

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 Roswell Phoenix
High Low Precip High Low Precip
January 55.9°F 22.6°F 0.43 in 65.4°F 44.1°F 1.17 in
February 60.7°F 26.9°F 0.36 in 68.1°F 46.1°F 1.21 in
March 69.4°F 34.0°F 0.57 in 75.0°F 50.9°F 1.09 in
April 76.4°F 40.7°F 0.67 in 82.5°F 56.6°F 0.35 in
May 84.5°F 50.2°F 1.03 in 91.5°F 64.7°F 0.19 in
June 93.6°F 60.9°F 0.74 in 101.5°F 72.7°F 0.03 in
July 93.9°F 65.6°F 1.95 in 104.0°F 80.8°F 0.81 in
August 91.7°F 64.5°F 1.61 in 102.5°F 80.5°F 0.96 in
September 84.4°F 56.5°F 1.60 in 97.5°F 74.7°F 0.71 in
October 75.9°F 43.9°F 1.45 in 86.3°F 62.7°F 0.67 in
November 63.5°F 31.1°F 0.61 in 74.0°F 50.8°F 0.90 in
December 55.6°F 23.1°F 0.60 in 63.9°F 42.7°F 0.81 in
Roswell overview
Full climate profile
 Phoenix overview
Full climate profile