May weather forecastBethel, DE
May
Weather in May
May, the last month of the spring in Bethel, is a pleasant month, with an average temperature fluctuating between 71.6°F (22°C) and 56.8°F (13.8°C).Temperature
The shift into May is accompanied by a temperature increase, with the average high-temperature rising from an enjoyable 62.6°F (17°C) in April to a pleasant 71.6°F (22°C). During the month of May, the temperature generally drops to a low average of 56.8°F (13.8°C).Humidity
May, August and September, with an average relative humidity of 80%, are the most humid months.Rainfall
In Bethel, during May, the rain falls for 9.9 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, in Bethel, there are 95.8 rainfall days, and 8.03" (204mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Bethel.Daylight
In Bethel, Delaware, the average length of the day in May is 14h and 17min.On the first day of May, sunrise is at 6:04 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:20 pm EDT.
Sunshine
In May, the average sunshine in Bethel, Delaware, is 9.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bethel, DE
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in May
Bethel, 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
Bethel, DE
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Bethel, DE
- Average humidity in May: 80%
The months with the highest relative humidity are May, August and September (80%).
The month with the lowest relative humidity is January (74%).
Average rainfall in May
Bethel, DE
- Average rainfall in May: 0.59"
The wettest months (with the highest rainfall) are July and August (1.06").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in May
Bethel, DE
- Average rainfall days in May: 9.9 days
The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (4.9 days).
Average snowfall in May
Bethel, DE
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Bethel, DE
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Bethel, DE
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 6min
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 6min).
Average sunshine days in May
Bethel, DE
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in May
Bethel, 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
Bethel, DE
- Average cloud cover in May: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Bethel, 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).
