Ephrata, WA vs Seattle, WA

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

Ephrata is cooler than Seattle (51.5°F vs 53.8°F annual avg) and drier than it (7.6 in vs 36.5 in per year). Ephrata has a Desert (cold) climate; Seattle a Warm-summer Mediterranean climate.

Ephrata, WA

Annual avg
51.5°F
Annual precip
7.6 in
Warmest month
July (89.3°F)
Coldest month
January (23.5°F)
Annual swing
45.7°F
Pleasant months
2 / 12
Desert (cold) BWk 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

Ephrata

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 Ephrata Seattle
High Low Precip High Low Precip
January 35.6°F 23.5°F 0.91 in 48.6°F 36.8°F 5.21 in
February 43.2°F 26.7°F 0.64 in 50.7°F 36.8°F 3.71 in
March 54.0°F 31.9°F 0.70 in 54.8°F 39.4°F 3.94 in
April 63.1°F 38.5°F 0.58 in 59.8°F 43.6°F 2.89 in
May 73.3°F 47.6°F 0.75 in 66.5°F 49.3°F 1.98 in
June 80.0°F 54.4°F 0.65 in 71.2°F 54.0°F 1.22 in
July 89.3°F 61.3°F 0.30 in 77.3°F 57.5°F 0.56 in
August 87.9°F 59.4°F 0.18 in 77.4°F 58.1°F 0.83 in
September 78.5°F 50.6°F 0.22 in 71.7°F 53.9°F 1.37 in
October 62.4°F 39.3°F 0.66 in 61.0°F 46.4°F 3.49 in
November 45.7°F 29.5°F 0.86 in 53.0°F 39.9°F 5.80 in
December 35.5°F 23.6°F 1.13 in 47.8°F 36.2°F 5.49 in
Ephrata overview
Full climate profile
 Seattle overview
Full climate profile