Hannibal weather
At 7:15 PM local time it was cloudy and 15°C (59°F). Light rain for 1 of the next 24 hours (under 1 mm/h, 0.1 mm total) — cloudy, but fine to be out. Best months for weather: Apr–Oct. Hannibal sits 161 m (528 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Hannibal, Missouri, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 3%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 1 of the next 24 hours (under 1 mm/h, 0.1 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Apr–OctOff season Dec–Mar
About Hannibal weather
Is it raining in Hannibal right now?
No. It’s cloudy and 15° right now. Light rain for 1 of the next 24 hours (under 1 mm/h, 0.1 mm total) — cloudy, but fine to be out.
What’s the weather like in Hannibal this week?
Over the next 7 days, expect highs of 12–24° and lows of 9–18°. Rain is likely on 3 of 7 days (Tuesday, Wednesday, Thursday). The driest day looks like Thursday.
Has it been raining in Hannibal lately?
In the past 7 days, Hannibal had 1 rainy day and 3.1 mm of rain in total.
What should I pack for Hannibal?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Hannibal weather by month
When is the best time to visit Hannibal?
Based on weather alone, the best time to visit Hannibal is Apr–Oct, according to NASA's 2001–2025 climate averages. Dec–Mar tends to be the least pleasant. Average highs run from 2°C (35°F) in January to 31°C (88°F) in July.
What is the rainiest month in Hannibal?
May is the wettest month, with about 123 mm (4.8 in) of rain on average. January is the driest, with about 48 mm (1.9 in).
What is the hottest month in Hannibal?
July is the warmest, with average highs of 31°C (88°F) and lows of 20°C (68°F). January is the coolest, with highs of 2°C (35°F) and lows of -7°C (19°F).
Does Hannibal have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is May at about 123 mm (4.8 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months