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 indicates a change in the average high-temperature, moving up from a cool 55°F (12.8°C) in April to an enjoyable 64°F (17.8°C). In Rio Grande, the nighttime temperature shows a slight difference from the daytime high, averaging to a mild 57.7°F (14.3°C) during May.Humidity
With an average relative humidity of 82%, May is the most humid month in Rio Grande.Rainfall
In Rio Grande, in May, during 16.6 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. In Rio Grande, during the entire year, the rain falls for 158 days and collects up to 35.47" (901mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In May, the average length of the day is 14h and 19min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:18 pm EDT.
Sunshine
In May, the average sunshine is 9h.UV index
In Rio Grande, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Rio Grande, NJ
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in May
Rio Grande, NJ
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Rio Grande, NJ
- Average wind speed in May: 10.9mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).
Average humidity in May
Rio Grande, NJ
- Average humidity in May: 82%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).
Average rainfall in May
Rio Grande, NJ
- Average rainfall in May: 3.39"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in May
Rio Grande, NJ
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in May
Rio Grande, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Rio Grande, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.5 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
Rio Grande, NJ
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Rio Grande, NJ
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is November (18.9 days).
The months with the least sunshine days are May and June (12.5 days).
Average UV index in May
Rio Grande, 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 and December (UV index 2).
Average cloud cover in May
Rio Grande, NJ
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
Rio Grande, 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).
Rio Grande, New Jersey, USA
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