Altoona, PA vs Seattle, WA

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

Altoona is cooler than Seattle (49.6°F vs 53.8°F annual avg) and wetter than it (44.7 in vs 36.5 in per year). Altoona has a Warm-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Altoona, PA

Annual avg
49.6°F
Annual precip
44.7 in
Warmest month
July (81.4°F)
Coldest month
January (18.8°F)
Annual swing
45.1°F
Pleasant months
3 / 12
Warm-summer humid continental Dfb 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

Altoona

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 Altoona Seattle
High Low Precip High Low Precip
January 33.8°F 18.8°F 2.94 in 48.6°F 36.8°F 5.21 in
February 37.1°F 20.4°F 2.65 in 50.7°F 36.8°F 3.71 in
March 46.0°F 27.8°F 3.49 in 54.8°F 39.4°F 3.94 in
April 59.6°F 38.5°F 3.78 in 59.8°F 43.6°F 2.89 in
May 69.5°F 48.6°F 4.41 in 66.5°F 49.3°F 1.98 in
June 77.3°F 57.0°F 4.24 in 71.2°F 54.0°F 1.22 in
July 81.4°F 61.3°F 4.18 in 77.3°F 57.5°F 0.56 in
August 79.8°F 60.0°F 3.86 in 77.4°F 58.1°F 0.83 in
September 72.6°F 53.2°F 4.33 in 71.7°F 53.9°F 1.37 in
October 61.3°F 42.0°F 3.84 in 61.0°F 46.4°F 3.49 in
November 48.8°F 32.6°F 3.63 in 53.0°F 39.9°F 5.80 in
December 38.1°F 24.3°F 3.37 in 47.8°F 36.2°F 5.49 in
Altoona overview
Full climate profile
 Seattle overview
Full climate profile