Port Jefferson, NY vs Phoenix, AZ

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

Port Jefferson is cooler than Phoenix (54.7°F vs 72.5°F annual avg) and wetter than it (48.5 in vs 8.9 in per year). Port Jefferson has a Humid subtropical climate; Phoenix a Desert (hot) climate.

Port Jefferson, NY

Annual avg
54.7°F
Annual precip
48.5 in
Warmest month
July (83.1°F)
Coldest month
January (26.3°F)
Annual swing
41.6°F
Pleasant months
3 / 12
Humid subtropical Cfa USDA Zone 8a

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

Port 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 Port Jefferson Phoenix
High Low Precip High Low Precip
January 41.0°F 26.3°F 3.71 in 65.4°F 44.1°F 1.17 in
February 42.9°F 27.8°F 3.20 in 68.1°F 46.1°F 1.21 in
March 50.0°F 32.8°F 4.65 in 75.0°F 50.9°F 1.09 in
April 63.7°F 42.8°F 4.42 in 82.5°F 56.6°F 0.35 in
May 71.7°F 51.4°F 3.89 in 91.5°F 64.7°F 0.19 in
June 78.2°F 61.1°F 3.93 in 101.5°F 72.7°F 0.03 in
July 83.1°F 67.5°F 3.88 in 104.0°F 80.8°F 0.81 in
August 81.8°F 67.0°F 4.02 in 102.5°F 80.5°F 0.96 in
September 74.7°F 61.3°F 4.30 in 97.5°F 74.7°F 0.71 in
October 64.8°F 48.8°F 4.24 in 86.3°F 62.7°F 0.67 in
November 56.0°F 40.3°F 3.70 in 74.0°F 50.8°F 0.90 in
December 46.1°F 32.1°F 4.56 in 63.9°F 42.7°F 0.81 in
Port Jefferson overview
Full climate profile
 Phoenix overview
Full climate profile