Hannibal, Missouri Climate
United States
Pop. 17,839 Elev. 158 m / 518 ft
TZ: America/Chicago (UTC-5) ·
Hannibal is largely arid, with warm summers peaking at 88°F (31°C) in July and cold winters around 18°F (-8°C) in January. Humidity pushes the summer feels-like temperature to 104°F (40°C), while wind chill can drive winter lows to 11°F (-12°C). Precipitation occurs on roughly 46 days per year (30.7 in / 779 mm total), with snow on 3 days and 31 in (787 mm) of annual accumulation. The city averages 133 sunny days per year and around 33 thunderstorm days. Nearby lake water reaches 83°F (28°C) in summer.
| Temperature | 88°F (31°C) high | 18°F (-8°C) low |
| Feels like | 104°F (40°C) high | 11°F (-11°C) low |
| Rain | 46 days | 30.7 in (779 mm) /yr |
| Snow | 3 days | 31.0 in (787 mm) /yr |
| Sky | 133 sunny | 33 stormy |
| Wind | 2.2 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
47
Jan 58
Feb 47
Mar 68
Apr 55
May 52
Jun 63
Jul 46
Aug 42
Sep 45
Oct 48
Nov 64
Dec Humidity (%)
65
Jan 63
Feb 53
Mar 60
Apr 60
May 71
Jun 75
Jul 70
Aug 62
Sep 64
Oct 66
Nov 74
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 18 mi Quincy Regional Airport Baldwin Field (UIN)
Ski resort 89 mi Hidden Valley
National park 182 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 5 mi Hannibal Regional Hospital
Hiking trail 3 mi
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 34°F 1°C | 18°F -8°C | 0.2 in 5 mm | 8.5 in217 mm | 14 |
| February | 40°F 4°C | 24°F -4°C | 0.2 in 6 mm | 4.1 in103 mm | 8 |
| March | 63°F 17°C | 40°F 4°C | 3.6 in 91 mm | 2.3 in59 mm | 14 |
| April | 68°F 20°C | 48°F 9°C | 4.4 in 113 mm | 0.1 in1 mm | 5 |
| May | 74°F 24°C | 55°F 13°C | 2.5 in 63 mm | — | 11 |
| June | 85°F 29°C | 67°F 20°C | 5.2 in 133 mm | — | 10 |
| July | 88°F 31°C | 73°F 23°C | 7.1 in 180 mm | — | 9 |
| August | 84°F 29°C | 66°F 19°C | 1.1 in 27 mm | — | 14 |
| September | 83°F 28°C | 59°F 15°C | 1.3 in 34 mm | — | 14 |
| October | 72°F 22°C | 52°F 11°C | 1.8 in 44 mm | — | 14 |
| November | 56°F 13°C | 38°F 3°C | 1.8 in 45 mm | 10.8 in275 mm | 12 |
| December | 42°F 6°C | 25°F -4°C | 1.5 in 37 mm | 5.2 in132 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 0 |
| February | 8 | 0 |
| March | 14 | 4 |
| April | 5 | 7 |
| May | 11 | 2 |
| June | 10 | 5 |
| July | 9 | 9 |
| August | 14 | 1 |
| September | 14 | 1 |
| October | 14 | 0 |
| November | 12 | 2 |
| December | 8 | 2 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 0°C |
| February | 32°F 0°C |
| March | 42°F 6°C |
| April | 54°F 12°C |
| May | 63°F 17°C |
| June | 74°F 24°C |
| July | 83°F 28°C |
| August | 78°F 25°C |
| September | 71°F 22°C |
| October | 63°F 17°C |
| November | 47°F 8°C |
| December | 33°F 1°C |