Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
An increase in the average high-temperature marks May, moving from April's frosty 48.9°F (9.4°C) to a comfortable 60.8°F (16°C). Throughout the month of May, Hannibal expects an average low of 47.8°F (8.8°C).Humidity
The average relative humidity in May in Hannibal is 81%.Rainfall
May is the month with the most rainfall in Hannibal. Rain falls for 16.1 days and accumulates 2.44" (62mm) of precipitation.Snowfall
In Hannibal, snow does not fall in May through September.Daylight
In May, the average length of the day in Hannibal, New York, is 14h and 43min.On the first day of May, sunrise is at 5:58 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:39 pm EDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
In Hannibal, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In May, a regular UV index of 4 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the usual temperature for Hannibal in May?
What is the average humidity in May in Hannibal?
What is the rainiest month in Hannibal?
How many days does it rain in May in Hannibal?
When it does not snow in Hannibal?
Does it snow in Hannibal in May?
How many hours of daylight does Hannibal have in May?
When are sunrise and sunset in May in Hannibal?
How long on average sun shines in May in Hannibal?
How high is the UV index in May in Hannibal?
Average temperature in May
Hannibal, NY
- Average high temperature in May: 60.8°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Hannibal, NY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Hannibal, NY
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in May
Hannibal, NY
- Average humidity in May: 81%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are September and November (77%).
Average rainfall in May
Hannibal, NY
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in May
Hannibal, NY
- Average rainfall days in May: 16.1 days
The months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in May
Hannibal, NY
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Hannibal, NY
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hannibal, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in May
Hannibal, NY
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7 days).
Average UV index in May
Hannibal, NY
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Hannibal, NY
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in May
Hannibal, NY
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hannibal, New York, USA
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