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
New Castle sees a rise in temperature during May, with average high-temperatures transitioning from an enjoyable 65.1°F (18.4°C) in April to a moderately hot 74.5°F (23.6°C). A steep decline to a fresh 52.3°F (11.3°C) characterizes the May nights.Humidity
May, September and December, with an average relative humidity of 77%, are the most humid months.Rainfall
The month with the most rainfall is May, when the rain falls for 17.7 days and typically aggregates up to 3.31" (84mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 12min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:10 pm. On the last day of May, sunrise is at 6:00 am and sunset at 8:35 pm EDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during May translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for New Castle in May?
What are the most humid months?
What is the average humidity in May?
What is the wettest month?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does New Castle have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index intensity in May in New Castle?
Average temperature in May
New Castle, VA
- Average high temperature in May: 74.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
New Castle, VA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
New Castle, VA
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
New Castle, VA
- Average humidity in May: 77%
The months with the highest relative humidity are May, September and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in May
New Castle, VA
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
New Castle, VA
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in May
New Castle, VA
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
New Castle, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
New Castle, VA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in May
New Castle, VA
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in May
New Castle, VA
- 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
New Castle, VA
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in May
New Castle, VA
- Average visibility in May: 5mi
The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).
New Castle, Virginia, USA
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