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 transition into May, Washington experiences an increase in average high-temperatures, moving up from a moderate 58.1°F (14.5°C) in April to an agreeable 69.4°F (20.8°C). Washington, in May, observes a steady average low-temperature of 50.4°F (10.2°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In May, in Washington, the rain falls for 16.5 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 157.6 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
Months with snowfall in Washington are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Washington aggregates 0.51" (13mm) of snow. Throughout the year, there are 30.4 snowfall days, and 14.76" (375mm) of snow is accumulated.Daylight
In Washington, the average length of the day in May is 14h and 28min.On the first day of May in Washington, sunrise is at 5:57 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:24 pm EDT.
Sunshine
In May, the average sunshine in Washington is 8.4h.UV index
In Washington, New Jersey, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 during May translates into the following guidance:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in May in Washington?
What is the average humidity in May in Washington?
How many days does it rain in May in Washington?
What is the last month it snows in Washington?
How many hours of daylight does Washington have in May?
What time are sunrise and sunset in May in Washington?
How many hours of sunshine does Washington have in May?
How high is the UV index in May in Washington?
Average temperature in May
Washington, NJ
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in May: 50.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Washington, NJ
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Washington, NJ
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Washington, NJ
- Average humidity in May: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Washington, NJ
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Washington, NJ
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in May
Washington, NJ
- Average snowfall in May: 0.51"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Washington, NJ
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Washington, NJ
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Washington, NJ
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in May
Washington, NJ
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Washington, NJ
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Washington, NJ
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Washington, New Jersey, USA
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