Hannibal, MO Weather & Climate Normals
What a normal year in Hannibal actually looks like
On the 30-year record NOAA keeps for Hannibal, MO, the comfort score comes out to 48/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Hannibal's weather actually swings
Average temperatures in Hannibal run from 26°F in Jan up to 77°F in Jul, a 50.2°F seasonal swing, one of the widest gaps in this dataset.
How wet Hannibal actually gets
Hannibal averages 41.28in of precipitation a year across roughly 110 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Hannibal against the rest of the country
Out of 4876 cities scored here, Hannibal comes in at 2379; within MO alone it ranks 44 of 135. Population is about 16,809.
Checking the actual forecast
These figures come from HANNIBAL WTR WKS, MO US, the NOAA station 1.4 miles from Hannibal, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station