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Clear
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Updated:1:55pm CDT | |
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89°F
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Wind Spd:9.21 mph | |
| Wind Dir:SSW (210°) | ||
| Pressure:29.98 in | ||
| Dewpoint:57°F | ||
| Feels Like:94°F | ||
| Metric (°C) | Visibility:10.00 mi |
7-day Forecast / 10-day Forecast
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Latitude: 38°37'N,
Longitude: 88°56'W,
Elevation: 550.0 ft,
Distance: 9.86 mi
Slap Out, IL Averages »
| Unit | Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Average temperature over 30 years |
°F | 55 | 28 | 33 | 44 | 55 | 65 | 73 | 77 | 75 | 68 | 57 | 45 | 33 |
| Average high temperature over 30 years |
°F | 65 | 37 | 43 | 55 | 67 | 77 | 85 | 89 | 87 | 80 | 69 | 55 | 42 |
| Average low temperature over 30 years |
°F | 44 | 19 | 23 | 34 | 44 | 53 | 62 | 66 | 63 | 56 | 44 | 35 | 24 |
| Highest recorded temperature over 39 years |
°F | 105 | 69 | 78 | 84 | 91 | 93 | 100 | 104 | 105 | 100 | 93 | 82 | 73 |
| Lowest recorded temperature over 39 years |
°F | -23 | -23 | -23 | -7 | 19 | 31 | 37 | 48 | 44 | 33 | 21 | 1 | -20 |
| Average number of days above 90°F over 30 years |
days | 41 | - | - | - | 0.1 | 1.5 | 8.5 | 14 | 12 | 4.1 | 0.1 | - | - |
| Average precipitation over 30 years |
in | 40.8 | 1.9 | 2.4 | 4.1 | 3.8 | 4.3 | 4.0 | 4.0 | 3.1 | 3.0 | 2.9 | 3.7 | 3.7 |
| Average number of days below 32°F over 30 years |
days | 105 | 26 | 21 | 15 | 3.7 | 0.2 | - | - | - | - | 3.3 | 13 | 23 |
| Average number of days below 0°F over 30 years |
days | 4.6 | 2.4 | 1.2 | 0.1 | - | - | - | - | - | - | - | - | 1 |
| Average snowfall over 30 years |
in | 14.8 | 5.3 | 4.2 | 1.9 | 0.3 | - | - | - | - | - | - | 0.4 | 3.3 |
| Most rain reported in a day over 82 years |
in | 4.9 | 2.8 | 2.5 | 2.8 | 3.4 | 4.6 | 4.4 | 4.4 | 4.3 | 3.2 | 4.3 | 4.9 | 4.3 |
| Most rain reported in a month over 82 years |
in | 61.1 | 9.4 | 6.1 | 10.9 | 11.1 | 15.1 | 10.7 | 10.6 | 10.2 | 9.8 | 14.1 | 11.9 | 10.6 |
| Least rain reported in a month over 82 years |
in | 27.5 | 0.1 | - | 0.5 | 1.0 | 1.0 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.3 | 0.4 |
| Heating degree days over 30 years |
days | 4950 | 1127 | 897 | 635 | 302 | 96 | 6 | 1 | 2 | 48 | 272 | 589 | 975 |
| Cooling degree days over 30 years |
days | 1316 | - | - | 3 | 27 | 99 | 272 | 392 | 327 | 165 | 29 | 2 | - |
| Most snow reported in a month over 82 years |
in | 32.1 | 17.4 | 16.0 | 16.0 | 6.3 | - | - | - | - | - | 2.5 | 5.5 | 15.2 |
Check weather averages for nearby locations (some locations might offer more data):
Average temperature of May: 65°F.
Average high temperature: 77°F.
Average low temperature: 53°F.
Slap Out, IL Averages »
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