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
May's onset brings a rise in the average high-temperature, moving from an enjoyable 61.3°F (16.3°C) in April to a pleasant 71.6°F (22°C). An average temperature of 54.5°F (12.5°C) marks the nights in May.Humidity
In Arden, the average relative humidity in May is 77%.Rainfall
In Arden, Delaware, in May, it is raining for 18.7 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 168.9 rainfall days, and 35.55" (903mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Arden aggregates 0.12" (3mm) of snow. Throughout the year, there are 21.9 snowfall days, and 12.05" (306mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 23min.On the first day of May, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 6 in May translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Arden have in May?
What are the months with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Arden, DE
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in May
Arden, DE
- Average pressure in May: 30.01"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
Arden, DE
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Arden, DE
- Average humidity in May: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Arden, DE
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").
Average rainfall days in May
Arden, DE
- 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 November (8.8 days).
Average snowfall in May
Arden, DE
- Average snowfall in May: 0.12"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Arden, DE
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Arden, 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 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Arden, DE
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).
Average UV index in May
Arden, 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, February, November and December (UV index 2).
Average cloud cover in May
Arden, DE
- Average cloud cover in May: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Arden, 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).
Arden, Delaware, USA
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