The highest day temperature in July 2025 was 103°F. The lowest night temperature was 65°F. The average values for day and night temperatures during July were 92.6°F и 74.4°F respectivly.

You can expect various weather conditions during July. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in July for Hannibal is 1.7 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 6.6 mph. It makes July the most windless month of the year for Hannibal.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hannibal in July is 8.6 hours.