Hannibal weather in October: Hannibal, Missouri: normal highs, lows, rain and records for October
Hannibal in October has a normal high of 66°F and a normal low of 45°F, a daily mean of 55°F, falling from 72°F on the 1st to 59°F by the 31st. Measurable precipitation falls on 9 days in a normal October, 3.39 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 7°C, 86 mm of precipitation in October.
- NOAA stationHannibal Water Works
- Station IDUSC00233601
- Location39.72°N 91.37°W
- Elevation712 ft (217 m)
- Population16,809
- Jan 35° 18°
- Feb 40° 22°
- Mar 51° 32°
- Apr 64° 43°
- May 73° 54°
- Jun 82° 64°
- Jul 86° 67°
- Aug 84° 65°
- Sep 78° 57°
- Oct 66° 45°
- Nov 52° 34°
- Dec 39° 23°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Hannibal in October?
The normal high is 66°F and the normal low 45°F, for a daily mean of 55.3°F. October is 12.1°F cooler than September and 12.8°F warmer than November. October is the 6th warmest month of the year in Hannibal and the 7th wettest. Across the month the normal high falls 13°F, from 72°F on October 1 to 59°F on October 31. From one year to the next October's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 53°F and 58°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 72°F | 51°F | 27% | 18% |
| October 8 | 69°F | 48°F | 28% | 19% |
| October 15 | 66°F | 45°F | 29% | 19% |
| October 22 | 63°F | 43°F | 29% | 18% |
| October 31 | 59°F | 39°F | 30% | 18% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 72°F | 51°F | 27% | 18% | 11 h 50 min |
| October 2 | 72°F | 50°F | 27% | 18% | 11 h 50 min |
| October 3 | 71°F | 50°F | 27% | 18% | 11 h 40 min |
| October 4 | 71°F | 50°F | 27% | 18% | 11 h 40 min |
| October 5 | 71°F | 49°F | 27% | 19% | 11 h 40 min |
| October 6 | 70°F | 49°F | 28% | 19% | 11 h 40 min |
| October 7 | 70°F | 48°F | 28% | 19% | 11 h 30 min |
| October 8 | 69°F | 48°F | 28% | 19% | 11 h 30 min |
| October 9 | 69°F | 48°F | 28% | 19% | 11 h 30 min |
| October 10 | 68°F | 47°F | 28% | 19% | 11 h 30 min |
| October 11 | 68°F | 47°F | 28% | 19% | 11 h 20 min |
| October 12 | 68°F | 46°F | 28% | 19% | 11 h 20 min |
| October 13 | 67°F | 46°F | 28% | 19% | 11 h 20 min |
| October 14 | 67°F | 46°F | 29% | 19% | 11 h 20 min |
| October 15 | 66°F | 45°F | 29% | 19% | 11 h 10 min |
| October 16 | 66°F | 45°F | 29% | 19% | 11 h 10 min |
| October 17 | 65°F | 45°F | 29% | 18% | 11 h 10 min |
| October 18 | 65°F | 44°F | 29% | 18% | 11 h 10 min |
| October 19 | 64°F | 44°F | 29% | 18% | 11 h |
| October 20 | 64°F | 43°F | 29% | 18% | 11 h |
| October 21 | 64°F | 43°F | 29% | 18% | 11 h |
| October 22 | 63°F | 43°F | 29% | 18% | 11 h |
| October 23 | 63°F | 42°F | 29% | 18% | 10 h 50 min |
| October 24 | 62°F | 42°F | 29% | 18% | 10 h 50 min |
| October 25 | 62°F | 42°F | 30% | 18% | 10 h 50 min |
| October 26 | 61°F | 41°F | 30% | 18% | 10 h 50 min |
| October 27 | 61°F | 41°F | 30% | 18% | 10 h 40 min |
| October 28 | 60°F | 40°F | 30% | 18% | 10 h 40 min |
| October 29 | 60°F | 40°F | 30% | 18% | 10 h 40 min |
| October 30 | 59°F | 40°F | 30% | 18% | 10 h 40 min |
| October 31 | 59°F | 39°F | 30% | 18% | 10 h 30 min |
- Normal high
- 66°FOctober average
- Normal low
- 45°FOctober average
- Precipitation
- 3.39 inmonth total
- Days with precipitation
- 90.01 inch or more
- Nights at 32°F or colder
- 2
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 4
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00233601; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Hannibal in October?
On a given October day the chance of 0.01 inch or more is 29% on average, highest around October 27 (30%). In all, 3.39 in falls on 9 days of a normal October, 1 of them with an inch or more.
In a normal October in Hannibal, 2 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00233601.
What are the records for October in Hannibal?
The warmest October temperature on this station's record (since 1902) is 95°F, on October 7, 1939; the coldest is 13°F, on October 30, 1925. The wettest October brought 10.09 in (1969).
The October mean against the 1991-2020 normal of 55.3°F: 2021 60.3°F (+5.0), 2022 54.4°F (−0.9), 2023 58.4°F (+3.1), 2024 61.2°F (+5.9). 3 of 4 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 60.3°F | +5.0°F | 9.28 in |
| 2022 | 54.4°F | −0.9°F | 2.74 in |
| 2023 | 58.4°F | +3.1°F | 2.45 in |
| 2024 | 61.2°F | +5.9°F | 1.95 in |
Source: records: ACIS, station USC00233601; recent months: ACIS, station USC00233601. Records and recent months use complete months only.
How does October in Hannibal compare across Missouri?
Across the 134 places PlainClimate covers in Missouri, October normal highs run from 64°F in Green City to 74°F in Malden; Hannibal's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.