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 onset of May, Robertsville experiences a temperature shift, with the average high-temperature moving from a moderate 58.1°F (14.5°C) in April to an enjoyable 67.6°F (19.8°C). May's average low-temperature reading settles at a cool 54.1°F (12.3°C).Humidity
The months with the highest humidity are May and June, with an average relative humidity of 78%.Rainfall
In Robertsville, in May, it is raining for 16 days, with typically 2.99" (76mm) of accumulated precipitation. In Robertsville, during the entire year, the rain falls for 159.5 days and collects up to 31.22" (793mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 26min.On the first day of May, sunrise is at 5:55 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:20 pm EDT.
Sunshine
In Robertsville, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May in Robertsville is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Guard yourself - Avoiding sunburn is suggested. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Robertsville?
What are the most humid months in Robertsville?
What is the average humidity in May in Robertsville?
How many days does it rain in May in Robertsville?
When it does not snow in Robertsville?
Does it snow in Robertsville in May?
How many hours of daylight does Robertsville have in May?
When is the sunrise / sunset in May in Robertsville?
How long on average sun shines in May in Robertsville?
What is the UV index intensity in May in Robertsville?
Average temperature in May
Robertsville, NJ
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in May
Robertsville, 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
Robertsville, NJ
- Average wind speed in May: 7.9mph
The windiest months (with the highest average wind speed) are January and March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in May
Robertsville, NJ
- Average humidity in May: 78%
The months with the highest relative humidity are May and June (78%).
The months with the lowest relative humidity are January, March, April, August and November (74%).
Average rainfall in May
Robertsville, NJ
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in May
Robertsville, NJ
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is July (16.4 days).
The months with the least rainy days are January and November (9.8 days).
Average snowfall in May
Robertsville, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Robertsville, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.3 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
Robertsville, NJ
- Average daylight in May: 14h and 2min
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 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Robertsville, NJ
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in May
Robertsville, 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
Robertsville, NJ
- Average cloud cover in May: 44
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in May
Robertsville, NJ
- 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).
Robertsville, New Jersey, USA
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