Glenns Ferry, ID vs Seattle, WA

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

Glenns Ferry is about the same temperature as Seattle (54.6°F vs 53.8°F annual avg) and drier than it (10.6 in vs 36.5 in per year). Glenns Ferry has a Semi-arid (cold) climate; Seattle a Warm-summer Mediterranean climate.

Glenns Ferry, ID

Annual avg
54.6°F
Annual precip
10.6 in
Warmest month
July (99.1°F)
Coldest month
December (24.5°F)
Annual swing
44.6°F
Semi-arid (cold) BSk USDA Zone 7b

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

Glenns Ferry

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 Glenns Ferry Seattle
High Low Precip High Low Precip
January 43.7°F 24.9°F 1.50 in 48.6°F 36.8°F 5.21 in
February 50.2°F 26.6°F 0.82 in 50.7°F 36.8°F 3.71 in
March 60.3°F 32.1°F 1.01 in 54.8°F 39.4°F 3.94 in
April 67.9°F 37.5°F 0.89 in 59.8°F 43.6°F 2.89 in
May 78.5°F 45.5°F 1.07 in 66.5°F 49.3°F 1.98 in
June 87.9°F 52.6°F 0.71 in 71.2°F 54.0°F 1.22 in
July 99.1°F 58.6°F 0.23 in 77.3°F 57.5°F 0.56 in
August 97.2°F 55.7°F 0.28 in 77.4°F 58.1°F 0.83 in
September 86.3°F 46.1°F 0.44 in 71.7°F 53.9°F 1.37 in
October 71.3°F 36.0°F 0.98 in 61.0°F 46.4°F 3.49 in
November 55.1°F 28.8°F 1.11 in 53.0°F 39.9°F 5.80 in
December 43.9°F 24.5°F 1.56 in 47.8°F 36.2°F 5.49 in
Glenns Ferry overview
Full climate profile
 Seattle overview
Full climate profile