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 arrival of May, the average high-temperature transitions from a comfortable 61°F (16.1°C) in April to a pleasant 70.7°F (21.5°C). Dover, in May, experiences an average temperature of 56.7°F (13.7°C) at night.Humidity
May is the most humid month, with an average relative humidity of 79%.Rainfall
In Dover, in May, it is raining for 15.6 days, with typically 2.4" (61mm) of accumulated precipitation. In Dover, during the entire year, the rain falls for 152.3 days and collects up to 26.3" (668mm) of precipitation.Snowfall
In Dover, snow does not fall in April through November.Daylight
The average length of the day in May is 14h and 20min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:21 pm EDT.
Sunshine
In Dover, the average sunshine in May is 8.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: In May, a regular UV index of 6 translates into these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the most humid month?
What is the average humidity in May in Dover?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Dover have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Dover have in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Dover, DE
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in May
Dover, DE
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Dover, DE
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Dover, DE
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in May
Dover, DE
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in May
Dover, DE
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in May
Dover, DE
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Dover, DE
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Dover, DE
- Average daylight in May: 14h and 2min
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 30min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Dover, DE
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in May
Dover, DE
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Dover, DE
- Average cloud cover in May: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Dover, DE
- 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).
Dover, Delaware, USA
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