May weather forecastBayonne, NJ
May
Weather in May
May is associated with further rise in temperatures and the onset of sunnier days. With the maximum average temperature climbing to 67.6°F (19.8°C) and sea temperature warming to 52.5°F (11.4°C), the town begins to welcome summer. Unlike the volatile weather of the previous months, conditions in May are more consistent and predictably mild. The slightly increased rainfall of 3.03" (77mm) does not significantly impact outdoor activities as sunnier days become more prevalent. The rise in humidity coupled with this, however, could make the weather feel warmer than it is.Temperature
In Bayonne, the average high-temperature in May rises, from a moderate 57°F (13.9°C) in April, to a comfortable 67.6°F (19.8°C). During May, an average low-temperature of 54.3°F (12.4°C) is observed.Humidity
February, May and December, with an average relative humidity of 76%, are the most humid months in Bayonne.Rainfall
In Bayonne, in May, during 16.3 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 162 rainfall days, and 31.97" (812mm) of precipitation is accumulated.Snowfall
In Bayonne, snow does not fall in May through October.Ocean temperature
In Bayonne, the average seawater temperature in May is 52.5°F (11.4°C).Note: With an efficient thermal swimsuit, one can navigate 52.5°F (11.4°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F (13°C) feels chilly.
Daylight
In May, the average length of the day is 14h and 28min.On the first day of the month, sunrise is at 5:54 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:20 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 during May translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bayonne, NJ
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Bayonne, 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
Bayonne, NJ
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Bayonne, NJ
- Average humidity in May: 76%
The months with the highest relative humidity are February, May and December (76%).
The month with the lowest relative humidity is August (72%).
Average rainfall in May
Bayonne, NJ
- Average rainfall in May: 3.03"
The wettest months (with the highest rainfall) are July and December (3.35").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Bayonne, NJ
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in May
Bayonne, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Bayonne, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Bayonne, NJ
- Average sea temperature in May: 52.5°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in May /
Average sunshine in May
Bayonne, NJ
- Average daylight in May: 14h and 30min
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 48min
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 48min).
Average sunshine days in May
Bayonne, NJ
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in May
Bayonne, 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
Bayonne, NJ
- Average cloud cover in May: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Bayonne, 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).
