Grand Terrace, CA vs Seattle, WA

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

Grand Terrace is warmer than Seattle (66.6°F vs 53.8°F annual avg) and drier than it (9.9 in vs 36.5 in per year). Grand Terrace has a Desert (hot) climate; Seattle a Warm-summer Mediterranean climate.

Grand Terrace, CA

Annual avg
66.6°F
Annual precip
9.9 in
Warmest month
August (96.6°F)
Coldest month
December (43.2°F)
Annual swing
24°F
Desert (hot) BWh USDA Zone 9b

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

Grand Terrace

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 Grand Terrace Seattle
High Low Precip High Low Precip
January 69.5°F 44.2°F 2.11 in 48.6°F 36.8°F 5.21 in
February 69.9°F 44.8°F 2.45 in 50.7°F 36.8°F 3.71 in
March 72.3°F 46.9°F 1.54 in 54.8°F 39.4°F 3.94 in
April 75.1°F 49.9°F 0.57 in 59.8°F 43.6°F 2.89 in
May 80.4°F 54.8°F 0.29 in 66.5°F 49.3°F 1.98 in
June 87.4°F 58.4°F 0.08 in 71.2°F 54.0°F 1.22 in
July 94.1°F 62.9°F 0.03 in 77.3°F 57.5°F 0.56 in
August 96.6°F 63.7°F 0.03 in 77.4°F 58.1°F 0.83 in
September 93.4°F 60.8°F 0.23 in 71.7°F 53.9°F 1.37 in
October 81.9°F 54.8°F 0.40 in 61.0°F 46.4°F 3.49 in
November 76.1°F 47.4°F 0.68 in 53.0°F 39.9°F 5.80 in
December 69.1°F 43.2°F 1.51 in 47.8°F 36.2°F 5.49 in
Grand Terrace overview
Full climate profile
 Seattle overview
Full climate profile