Ammon, ID vs Seattle, WA

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

Ammon is cooler than Seattle (46.5°F vs 53.8°F annual avg) and drier than it (13.5 in vs 36.5 in per year). Ammon has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Ammon, ID

Annual avg
46.5°F
Annual precip
13.5 in
Warmest month
July (86.3°F)
Coldest month
January (16.1°F)
Annual swing
47.6°F
Semi-arid (cold) BSk USDA Zone 7a

Seattle, WA

Annual avg
53.8°F
Annual precip
36.5 in
Warmest month
August (77.4°F)
Coldest month
December (36.2°F)
Annual swing
25.8°F
Pleasant months
4 / 12
Warm-summer Mediterranean Csb USDA Zone 9a

Best months to visit each city

Ammon

J
F
M
A
M
J
J
A
S
O
N
D

Seattle

J
F
M
A
M
J
J
A
S
O
N
D

Month-by-month comparison

Month Ammon Seattle
High Low Precip High Low Precip
January 30.2°F 16.1°F 1.06 in 48.6°F 36.8°F 5.21 in
February 35.7°F 20.0°F 0.95 in 50.7°F 36.8°F 3.71 in
March 48.2°F 28.5°F 1.26 in 54.8°F 39.4°F 3.94 in
April 57.8°F 34.3°F 1.43 in 59.8°F 43.6°F 2.89 in
May 67.2°F 42.4°F 1.93 in 66.5°F 49.3°F 1.98 in
June 76.6°F 48.7°F 1.25 in 71.2°F 54.0°F 1.22 in
July 86.3°F 55.2°F 0.51 in 77.3°F 57.5°F 0.56 in
August 85.5°F 53.6°F 0.65 in 77.4°F 58.1°F 0.83 in
September 74.9°F 45.3°F 1.13 in 71.7°F 53.9°F 1.37 in
October 59.4°F 34.8°F 1.23 in 61.0°F 46.4°F 3.49 in
November 43.0°F 25.1°F 0.95 in 53.0°F 39.9°F 5.80 in
December 30.8°F 17.2°F 1.14 in 47.8°F 36.2°F 5.49 in
Ammon overview
Full climate profile
 Seattle overview
Full climate profile