Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Hannibal experiences a minor change to a still warm 82.8°F (28.2°C) in average high-temperature during August, closely reflecting July. In Hannibal, following the steep rise of daytime temperatures, an average nighttime low of 59.9°F (15.5°C) is anticipated during August.Heat index
The heat index for August is estimated at a hot 89.6°F (32°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The least humid month is August, with an average relative humidity of 77%.Rainfall
In Hannibal, during August, the rain falls for 15.8 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in Hannibal, there are 176.6 rainfall days, and 25.91" (658mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Hannibal, the average length of the day in August is 13h and 41min.On the first day of August, sunrise is at 6:23 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 7:55 pm EDT.
Sunshine
With an average of 10.1h of sunshine, August has the most sunshine of the year.UV index
The average daily maximum UV index in August in Hannibal is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 5 suggests this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
How hot is it in Hannibal in August?
What is the least humid month in Hannibal?
What is the average humidity in August in Hannibal?
How many days does it rain in August in Hannibal?
When it does not snow in Hannibal?
What is the average length of the day in August in Hannibal?
When are sunrise and sunset in August in Hannibal?
What month has the most sunshine in Hannibal?
How many hours of sunshine does Hannibal have in August?
What is the UV index reading in August in Hannibal?
Average temperature in August
Hannibal, OH
- Average high temperature in August: 82.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in August: 59.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in August
Hannibal, OH
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in August
Hannibal, OH
- Average wind speed in August: 4.2mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Hannibal, OH
- Average humidity in August: 77%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in August
Hannibal, OH
- Average rainfall in August: 2.05"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in August
Hannibal, OH
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in August
Hannibal, OH
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Hannibal, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Hannibal, OH
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in August
Hannibal, OH
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).
Average UV index in August
Hannibal, OH
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Hannibal, OH
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Hannibal, OH
- Average visibility in August: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).
Hannibal, Ohio, USA
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