West Union, Iowa Climate
United States
Pop. 2,409 Elev. 360 m / 1,181 ft
TZ: America/Chicago (UTC-5) ·
West Union has harsh winters with January lows averaging 10°F (-12°C), and mild summers with July highs of 82°F (28°C). Humidity pushes the summer feels-like temperature to 89°F (32°C), while wind chill can drive winter lows to 0°F (-18°C). Rain falls on about 47 days per year (31.9 in / 811 mm total), with snow on 6 days and 36 in (909 mm) of annual accumulation. The city averages 116 sunny days per year and around 33 thunderstorm days. Nearby lake water reaches 76°F (25°C) in summer.
| Temperature | 82°F (28°C) high | 10°F (-12°C) low |
| Feels like | 89°F (32°C) high | 0°F (-18°C) low |
| Rain | 47 days | 31.9 in (811 mm) /yr |
| Snow | 6 days | 35.8 in (909 mm) /yr |
| Sky | 116 sunny | 33 stormy |
| Wind | 2.7 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Sep, Oct
Sky & Air by Month
Cloud cover (%)
47
Jan 58
Feb 52
Mar 65
Apr 50
May 56
Jun 58
Jul 55
Aug 49
Sep 44
Oct 59
Nov 77
Dec Humidity (%)
62
Jan 64
Feb 60
Mar 61
Apr 60
May 69
Jun 78
Jul 77
Aug 72
Sep 67
Oct 69
Nov 81
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 41 mi Waterloo Regional Airport (ALO)
Ski resort 62 mi Mt. La Crosse
National park 31 mi Effigy Mounds National Monument
Mountain peak
(20,733 ft) 349 mi Norris Hill
Hospital 0 mi Gundersen Palmer Lutheran Hospital
Hiking trail 51 mi ADT - Iowa - K - Seg 2
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 28°F -2°C | 10°F -12°C | 0.0 in 0 mm | 1.4 in36 mm | 11 |
| February | 29°F -2°C | 14°F -10°C | 0.2 in 5 mm | 6.6 in167 mm | 8 |
| March | 55°F 13°C | 31°F 0°C | 3.1 in 78 mm | 9.2 in234 mm | 13 |
| April | 59°F 15°C | 39°F 4°C | 5.7 in 146 mm | 0.6 in15 mm | 5 |
| May | 69°F 21°C | 49°F 10°C | 2.5 in 63 mm | — | 14 |
| June | 81°F 27°C | 63°F 17°C | 5.1 in 129 mm | — | 9 |
| July | 82°F 28°C | 66°F 19°C | 7.2 in 182 mm | — | 10 |
| August | 78°F 26°C | 61°F 16°C | 3.8 in 96 mm | — | 10 |
| September | 76°F 25°C | 55°F 13°C | 1.4 in 35 mm | — | 12 |
| October | 65°F 18°C | 46°F 8°C | 1.7 in 43 mm | — | 12 |
| November | 47°F 8°C | 32°F 0°C | 0.8 in 21 mm | 9.2 in233 mm | 9 |
| December | 28°F -2°C | 13°F -10°C | 0.5 in 13 mm | 8.8 in224 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 11 | 0 |
| February | 8 | 0 |
| March | 13 | 3 |
| April | 5 | 4 |
| May | 14 | 1 |
| June | 9 | 8 |
| July | 10 | 8 |
| August | 10 | 5 |
| September | 12 | 2 |
| October | 12 | 1 |
| November | 9 | 1 |
| December | 3 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 34°F 1°C |
| April | 44°F 7°C |
| May | 55°F 13°C |
| June | 69°F 21°C |
| July | 76°F 25°C |
| August | 73°F 23°C |
| September | 66°F 19°C |
| October | 57°F 14°C |
| November | 42°F 5°C |
| December | 32°F 0°C |