Olmsted, IL vs Phoenix, AZ
Side-by-side comparison of monthly climate normals (NOAA 1991-2020).
Olmsted is cooler than Phoenix (57.9°F vs 72.5°F annual avg) and wetter than it (49.4 in vs 8.9 in per year). Olmsted has a Humid subtropical climate; Phoenix a Desert (hot) climate.
Olmsted, IL
Annual avg
57.9°F
Annual precip
49.4 in
Warmest month
July (89.0°F)
Coldest month
January (26.2°F)
Annual swing
44.3°F
Pleasant months
1 / 12
Humid subtropical Cfa
USDA Zone 8a
Phoenix, AZ
Annual avg
72.5°F
Annual precip
8.9 in
Warmest month
July (104.0°F)
Coldest month
December (42.7°F)
Annual swing
39.1°F
Pleasant months
2 / 12
Desert (hot) BWh
USDA Zone 9b
Best months to visit each city
Olmsted
J
F
M
A
M
J
J
A
S
O
N
D
Phoenix
J
F
M
A
M
J
J
A
S
O
N
D
Month-by-month comparison
| Month | Olmsted | Phoenix | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 43.1°F | 26.2°F | 4.23 in | 65.4°F | 44.1°F | 1.17 in |
| February | 47.6°F | 29.7°F | 3.86 in | 68.1°F | 46.1°F | 1.21 in |
| March | 57.3°F | 36.8°F | 4.77 in | 75.0°F | 50.9°F | 1.09 in |
| April | 68.4°F | 46.6°F | 5.15 in | 82.5°F | 56.6°F | 0.35 in |
| May | 76.8°F | 56.4°F | 4.92 in | 91.5°F | 64.7°F | 0.19 in |
| June | 85.5°F | 64.8°F | 4.13 in | 101.5°F | 72.7°F | 0.03 in |
| July | 89.0°F | 68.7°F | 3.28 in | 104.0°F | 80.8°F | 0.81 in |
| August | 88.6°F | 67.2°F | 3.03 in | 102.5°F | 80.5°F | 0.96 in |
| September | 82.7°F | 60.2°F | 3.35 in | 97.5°F | 74.7°F | 0.71 in |
| October | 71.2°F | 48.4°F | 4.04 in | 86.3°F | 62.7°F | 0.67 in |
| November | 57.9°F | 38.6°F | 4.41 in | 74.0°F | 50.8°F | 0.90 in |
| December | 47.0°F | 30.8°F | 4.24 in | 63.9°F | 42.7°F | 0.81 in |
Full climate profile
Phoenix overviewFull climate profile