Grayville, Illinois Climate
United States
Pop. 1,626 Elev. 129 m / 423 ft
TZ: America/Chicago (UTC-5) ·
Summers in Grayville are warm, with July highs around 90°F (32°C), while winters are frigid with January lows of 21°F (-6°C). Humidity pushes the summer feels-like temperature to around 107°F (42°C). Expect around 65 rainy days annually (46.5 in / 1181 mm total), with snow on 4 days and 24 in (605 mm) of annual accumulation. The city averages 128 sunny days per year and around 46 thunderstorm days. Nearby lake water reaches 83°F (28°C) in summer.
| Temperature | 90°F (32°C) high | 21°F (-6°C) low |
| Feels like | 107°F (42°C) high | 16°F (-9°C) low |
| Rain | 65 days | 46.5 in (1181 mm) /yr |
| Snow | 4 days | 23.8 in (605 mm) /yr |
| Sky | 128 sunny | 46 stormy |
| Wind | 2.3 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
49
Jan 61
Feb 53
Mar 63
Apr 67
May 56
Jun 55
Jul 41
Aug 36
Sep 42
Oct 53
Nov 62
Dec Humidity (%)
66
Jan 69
Feb 53
Mar 62
Apr 64
May 69
Jun 74
Jul 67
Aug 62
Sep 68
Oct 68
Nov 71
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 29 mi Evansville Regional Airport (EVV)
Ski resort 145 mi Hidden Valley
National park 55 mi Lincoln Boyhood National Memorial
Mountain peak
(5,125 ft) 299 mi Little Haw Knob
Hospital 17 mi Wabash General Hospital
Hiking trail 24 mi ADT - Indiana (South) - H - Seg 6
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 37°F 3°C | 21°F -6°C | 2.2 in 57 mm | 10.2 in259 mm | 13 |
| February | 45°F 7°C | 28°F -2°C | 3.6 in 92 mm | 8.1 in205 mm | 8 |
| March | 65°F 18°C | 43°F 6°C | 3.9 in 100 mm | 0.3 in8 mm | 10 |
| April | 71°F 22°C | 51°F 10°C | 8.2 in 208 mm | — | 5 |
| May | 75°F 24°C | 59°F 15°C | 5.7 in 145 mm | — | 6 |
| June | 86°F 30°C | 70°F 21°C | 5.1 in 129 mm | — | 10 |
| July | 90°F 32°C | 74°F 24°C | 4.8 in 122 mm | — | 11 |
| August | 85°F 30°C | 66°F 19°C | 1.1 in 28 mm | — | 16 |
| September | 84°F 29°C | 60°F 16°C | 3.1 in 80 mm | — | 17 |
| October | 71°F 22°C | 51°F 11°C | 4.0 in 103 mm | — | 17 |
| November | 58°F 14°C | 40°F 4°C | 3.5 in 88 mm | 0.9 in23 mm | 9 |
| December | 47°F 8°C | 32°F 0°C | 1.1 in 29 mm | 4.3 in109 mm | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 1 |
| February | 8 | 2 |
| March | 10 | 4 |
| April | 5 | 7 |
| May | 6 | 7 |
| June | 10 | 7 |
| July | 11 | 7 |
| August | 16 | 1 |
| September | 17 | 3 |
| October | 17 | 3 |
| November | 9 | 3 |
| December | 6 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 34°F 1°C |
| February | 36°F 2°C |
| March | 48°F 9°C |
| April | 59°F 15°C |
| May | 66°F 19°C |
| June | 77°F 25°C |
| July | 83°F 28°C |
| August | 79°F 26°C |
| September | 72°F 22°C |
| October | 64°F 18°C |
| November | 49°F 9°C |
| December | 37°F 3°C |