The temperatures in Hannibal in May are comfortable with low of 13°C and and high up to 22°C.
You can expect rain for roughly half of the month of May in Hannibal. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Hannibal in May 2025.
If you’re planning to visit Hannibal in the near future, we highly recommend that you review the 14 day weather forecast for Hannibal before you arrive.
Temperatures
22° / 13°
Rainy Days
10
Snowy Days
0
Dry Days
21
Rainfall
174
mm
Sun Hours
9.5
Hrs
