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
With the onset of May, the average high-temperature slightly shifts from April's moderate 59.9°F (15.5°C) to a pleasant 71.1°F (21.7°C). The average temperature during May nights dips to a fresh 53.6°F (12°C).Humidity
In Delaware, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.7 days and typically aggregates up to 3.82" (97mm) of precipitation.Snowfall
In Delaware, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 26min.On the first day of the month, sunrise is at 6:30 am and sunset at 8:28 pm. On the last day of May, in Delaware, sunrise is at 6:04 am and sunset at 8:55 pm EDT.
Sunshine
The average sunshine in May in Delaware is 9.1h.UV index
In Delaware, Ohio, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun is at its strongest around midday, find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Delaware?
What is the average humidity in May in Delaware?
What is the wettest month in Delaware?
How much does it rain in Delaware in May?
When it does not snow in Delaware?
Does it snow in Delaware in May?
What is the average length of the day in May in Delaware?
When is the sunrise / sunset in May in Delaware?
How many hours of sunshine does Delaware have in May?
What is the UV index reading in May in Delaware?
Average temperature in May
Delaware, OH
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in May
Delaware, OH
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Delaware, OH
- Average wind speed in May: 7.7mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Delaware, OH
- Average humidity in May: 78%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
Delaware, OH
- Average rainfall in May: 3.82"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Delaware, OH
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10 days).
Average snowfall in May
Delaware, OH
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Delaware, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Delaware, OH
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Delaware, OH
- Average sunshine days in May: 9.4 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in May
Delaware, OH
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Delaware, OH
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Delaware, OH
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Delaware, Ohio, USA
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