Nashua, NH vs Seattle, WA

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

Nashua is cooler than Seattle (48.8°F vs 53.8°F annual avg) and wetter than it (46.3 in vs 36.5 in per year). Nashua has a Hot-summer humid continental climate; Seattle a Warm-summer Mediterranean climate.

Nashua, NH

Annual avg
48.8°F
Annual precip
46.3 in
Warmest month
July (84.7°F)
Coldest month
January (13.8°F)
Annual swing
48.9°F
Pleasant months
2 / 12
Hot-summer humid continental Dfa USDA Zone 6b

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

Nashua

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 Nashua Seattle
High Low Precip High Low Precip
January 34.5°F 13.8°F 3.00 in 48.6°F 36.8°F 5.21 in
February 37.5°F 15.5°F 3.07 in 50.7°F 36.8°F 3.71 in
March 45.3°F 24.1°F 4.11 in 54.8°F 39.4°F 3.94 in
April 58.4°F 34.7°F 3.91 in 59.8°F 43.6°F 2.89 in
May 69.4°F 46.1°F 3.63 in 66.5°F 49.3°F 1.98 in
June 78.7°F 55.9°F 4.19 in 71.2°F 54.0°F 1.22 in
July 84.7°F 61.6°F 3.63 in 77.3°F 57.5°F 0.56 in
August 82.7°F 59.7°F 3.71 in 77.4°F 58.1°F 0.83 in
September 75.2°F 52.2°F 4.15 in 71.7°F 53.9°F 1.37 in
October 62.3°F 38.9°F 4.66 in 61.0°F 46.4°F 3.49 in
November 50.5°F 29.1°F 3.74 in 53.0°F 39.9°F 5.80 in
December 39.6°F 19.5°F 4.45 in 47.8°F 36.2°F 5.49 in
Nashua overview
Full climate profile
 Seattle overview
Full climate profile