Mound City, IL vs Seattle, WA
Side-by-side comparison of monthly climate normals (NOAA 1991-2020).
Mound City is warmer than Seattle (58.1°F vs 53.8°F annual avg) and wetter than it (51 in vs 36.5 in per year). Mound City has a Humid subtropical climate; Seattle a Warm-summer Mediterranean climate.
Mound City, IL
Annual avg
58.1°F
Annual precip
51 in
Warmest month
July (88.7°F)
Coldest month
January (26.0°F)
Annual swing
44.5°F
Pleasant months
1 / 12
Humid subtropical Cfa
USDA Zone 8a
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
Mound City
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 | Mound City | Seattle | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 43.4°F | 26.0°F | 3.80 in | 48.6°F | 36.8°F | 5.21 in |
| February | 48.2°F | 29.5°F | 3.88 in | 50.7°F | 36.8°F | 3.71 in |
| March | 58.6°F | 37.6°F | 4.85 in | 54.8°F | 39.4°F | 3.94 in |
| April | 69.9°F | 47.5°F | 5.38 in | 59.8°F | 43.6°F | 2.89 in |
| May | 78.3°F | 57.7°F | 5.08 in | 66.5°F | 49.3°F | 1.98 in |
| June | 85.9°F | 66.1°F | 4.37 in | 71.2°F | 54.0°F | 1.22 in |
| July | 88.7°F | 69.6°F | 4.10 in | 77.3°F | 57.5°F | 0.56 in |
| August | 87.8°F | 67.5°F | 3.18 in | 77.4°F | 58.1°F | 0.83 in |
| September | 81.7°F | 59.6°F | 3.51 in | 71.7°F | 53.9°F | 1.37 in |
| October | 70.9°F | 47.7°F | 4.14 in | 61.0°F | 46.4°F | 3.49 in |
| November | 57.9°F | 37.4°F | 4.46 in | 53.0°F | 39.9°F | 5.80 in |
| December | 46.7°F | 30.1°F | 4.25 in | 47.8°F | 36.2°F | 5.49 in |
Full climate profile
Seattle overviewFull climate profile