Fossil, OR vs Phoenix, AZ

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

Fossil is cooler than Phoenix (47.4°F vs 72.5°F annual avg) and wetter than it (15 in vs 8.9 in per year). Fossil has a Warm-summer Mediterranean climate; Phoenix a Desert (hot) climate.

Fossil, OR

Annual avg
47.4°F
Annual precip
15 in
Warmest month
July (84.5°F)
Coldest month
December (24.3°F)
Annual swing
32.5°F
Warm-summer Mediterranean Csb 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

Fossil

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 Fossil Phoenix
High Low Precip High Low Precip
January 42.2°F 25.8°F 1.40 in 65.4°F 44.1°F 1.17 in
February 46.1°F 25.5°F 1.17 in 68.1°F 46.1°F 1.21 in
March 52.2°F 27.8°F 1.51 in 75.0°F 50.9°F 1.09 in
April 57.9°F 31.3°F 1.35 in 82.5°F 56.6°F 0.35 in
May 66.3°F 37.3°F 2.12 in 91.5°F 64.7°F 0.19 in
June 73.0°F 41.9°F 1.32 in 101.5°F 72.7°F 0.03 in
July 84.5°F 45.5°F 0.44 in 104.0°F 80.8°F 0.81 in
August 84.2°F 44.7°F 0.58 in 102.5°F 80.5°F 0.96 in
September 74.3°F 39.9°F 0.55 in 97.5°F 74.7°F 0.71 in
October 62.8°F 33.4°F 1.47 in 86.3°F 62.7°F 0.67 in
November 48.1°F 28.4°F 1.38 in 74.0°F 50.8°F 0.90 in
December 40.6°F 24.3°F 1.76 in 63.9°F 42.7°F 0.81 in
Fossil overview
Full climate profile
 Phoenix overview
Full climate profile