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 brings a slight increase in the average high-temperature, progressing from a pleasant 70.9°F (21.6°C) in April to a warm 78.4°F (25.8°C). May generally records an average low-temperature of 60.4°F (15.8°C).Humidity
In Washington, the average relative humidity in May is 79%.Rainfall
In Washington, in May, during 17.6 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Washington, during the entire year, the rain falls for 169 days and collects up to 36.1" (917mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May in Washington is 14h and 3min.On the first day of May, sunrise is at 6:15 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:18 pm EDT.
Sunshine
In May, the average sunshine is 9.4h.UV index
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 suggests these recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Washington in May?
What is the average humidity in May?
How much does it rain in Washington in May?
When it does not snow?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May in Washington?
What is the UV index intensity in May?
Average temperature in May
Washington, NC
- Average high temperature in May: 78.4°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in May: 60.4°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in May
Washington, NC
- Average pressure in May: 30.03"Hg
The months with the highest atmospheric pressure are November and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Washington, NC
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Washington, NC
- Average humidity in May: 79%
The months with the highest relative humidity are August, September and December (80%).
The months with the lowest relative humidity are January and April (76%).
Average rainfall in May
Washington, NC
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in May
Washington, NC
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in May
Washington, NC
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Washington, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.6 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
Washington, NC
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
Washington, NC
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in May
Washington, NC
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Washington, NC
- Average cloud cover in May: 41
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and October (Cloud cover 35).
Average visibility in May
Washington, NC
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Washington, North Carolina, USA
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