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
As Annandale transitions into May, the average high-temperature shows a change, moving from a mild 59°F (15°C) in April to a pleasant 69.6°F (20.9°C). May nights in Annandale observe an average temperature dip to a cool 51.1°F (10.6°C).Humidity
In May, the average relative humidity in Annandale is 79%.Rainfall
In Annandale, in May, during 16.4 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, in Annandale, there are 162.3 rainfall days, and 32.83" (834mm) of precipitation is accumulated.Snowfall
Months with snowfall in Annandale, New Jersey, are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Annandale aggregates 0.55" (14mm) of snow. Throughout the year, there are 27.8 snowfall days, and 15.35" (390mm) of snow is accumulated.Daylight
In Annandale, the average length of the day in May is 14h and 28min.On the first day of May in Annandale, sunrise is at 5:57 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:23 pm EDT.
Sunshine
In Annandale, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are the temperatures in Annandale in May?
What is the average humidity in May in Annandale?
How much does it rain in Annandale in May?
What is the last month it snows in Annandale?
How many hours of daylight does Annandale have in May?
When is the sunrise / sunset in May in Annandale?
How many hours of sunshine does Annandale have in May?
How high is the UV index in May in Annandale?
Average temperature in May
Annandale, NJ
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in May
Annandale, 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
Annandale, NJ
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Annandale, NJ
- Average humidity in May: 79%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Annandale, NJ
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Annandale, NJ
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Annandale, NJ
- Average snowfall in May: 0.55"
The month with the highest snowfall is March (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Annandale, NJ
- Average snowfall days in May: 0.2 days
The months with the highest number of snowfall days are January and February (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
Annandale, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Annandale, NJ
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in May
Annandale, NJ
- Average UV index in May: 5
The months with the highest UV index are June, July and August (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
Annandale, NJ
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in May
Annandale, NJ
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Annandale, New Jersey, USA
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