Hannibal weather in August 2025

Expect 86°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Hannibal in August. Check more long-term weather averages for Hannibal in August before you book your next holiday to Missouri in 2025/2026.

86
86°F max day temperature
9
9 hours of sunshine per day
8
8 days with some rainfall
63
63°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
3.8
3.8 inches of monthly rainfall
8
8 (Very High) UV index

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The August weather guide for Missouri (Hannibal) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the USA

How hot is it in Hannibal in August?

Daytime temperatures usually reach 86°F in Hannibal in August with moderate heat and humidity, falling to 63°F at night.

How sunny is it in Hannibal in August?

There are normally 9 hours of bright sunshine each day in Hannibal in August - that's 66% of daylight hours.

Does it rain in Hannibal in August?

There are usually 8 days with some rain in Hannibal in August and the average monthly rainfall is 3.8 inches.

Hannibal August sunrise & sunset times

Browse the sunrise and sunset times for Hannibal in August 2025. Select a month to view Hannibal sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Friday, 1st August 2025	05:05	19:18
Saturday, 16th August 2025	05:19	19:00
Sunday, 31st August 2025	05:33	18:38

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Missouri - quick facts
Flight time^✝	11.5 hours
Time difference	UK -6 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Tourist info	Missouri Division of Tourism