May weather forecast
Bayonne, NJ

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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

The arrival of May in Bayonne brings a temperature shift, with the average high-temperature escalating from a refreshing 57°F (13.9°C) in April to a comfortable 67.6°F (19.8°C). The low-temperature averages to a fresh 54.3°F (12.4°C) during the nights of May.

Humidity

The months with the highest humidity are February, May and December, with an average relative humidity of 76%.

Rainfall

In Bayonne, in May, it is raining for 16.3 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, there are 162 rainfall days, and 31.97" (812mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Bayonne.

Ocean temperature

In May, the average ocean temperature in Bayonne is 52.5°F (11.4°C).
Note: Caution: 52.5°F (11.4°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.

Daylight

In May, the average length of the day is 14h and 28min.
On the first day of May, sunrise is at 5:54 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:20 pm EDT.

Sunshine

In Bayonne, the average sunshine in May is 8.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In May, a daily UV index of 5 turns into the following recommendations:
Take precautions - Protection against sunburn is recommended. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the temperature in May in Bayonne?

An average high-temperature, in May, in Bayonne, is 67.6°F (19.8°C) and the average low-temperature is 54.3°F (12.4°C).

What are the most humid months in Bayonne?

February, May and December, with an average relative humidity of 76%, are most humid months.

What is the average humidity in May in Bayonne?

In May, the average relative humidity is 76%.

How many days does it rain in May in Bayonne?

In Bayonne, in May, it is raining for 16.3 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow in Bayonne?

May through October are months without snowfall.

Does it snow in Bayonne in May?

In May, in Bayonne, it doesn't snow. April is the latest month when it typically snows.

What is the ocean temperature in May in Bayonne?

In Bayonne, in May, the average water temperature is 52.5°F (11.4°C). Swimming in 52.5°F (11.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Bayonne have in May?

In May, the average day length in Bayonne is 14h and 28min.

When is the sunrise / sunset in May in Bayonne?

On the first day of May, sunrise is at 5:54 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:20 pm EDT.

How long on average sun shines in May in Bayonne?

In May, the average sunshine duration in Bayonne, New Jersey, is 8.8h.

How high is the UV index in May in Bayonne?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Apr
May
Jun
Average high temperature
57°F 13.9°C
67.6°F 19.8°C
76.6°F 24.8°C
Average low temperature
44.1°F 6.7°C
54.3°F 12.4°C
62.6°F 17°C
Average pressure
29.98" 761mmHg
30.01" 762mmHg
29.93" 760mmHg
Average wind speed
9.3mph 15km/h
7.8mph 12.6km/h
7.2mph 11.6km/h
Average max. wind speed
9.9mph 15.9km/h
8.4mph 13.5km/h
7.9mph 12.7km/h
Average wind speed gusts
14mph 22.5km/h
11.7mph 18.8km/h
10.7mph 17.2km/h
Average humidity
73%
76%
75%
Average rainfall
2.44" 62mm
3.03" 77mm
2.76" 70mm
Average rainfall days
15.6
16.3
15.8
Average snowfall
0.12" 3mm
0" 0mm
0" 0mm
Average snowfall days
0.3
0
0
Average sea temperature
45.1°F 7.3°C
52.5°F 11.4°C
64.5°F 18.1°C
Average daylight
13h 2min
14h 3min
15h 0min
Average sunshine
8h 2min
8h 5min
9h 5min
Average sunshine days
13
12.4
11.8
Average UV index
4
5
6
Average cloud cover
44%
44%
35%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in May
Bayonne, NJ

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).

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Average pressure in May
Bayonne, NJ

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).

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Average wind speed in May
Bayonne, NJ

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).

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Average humidity in May
Bayonne, NJ

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%).

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Average rainfall in May
Bayonne, NJ

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").

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Average rainfall days in May
Bayonne, NJ

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).

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Average snowfall in May
Bayonne, NJ

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").

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Average snowfall days in May
Bayonne, NJ

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).

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Average sea temperature in May
Bayonne, NJ

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).

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Average daylight in May /
Average sunshine in May
Bayonne, NJ

Average daylight in May / Average sunshine in May - Bayonne, 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 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 48min).

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Average sunshine days in May
Bayonne, NJ

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).

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Average UV index in May
Bayonne, NJ

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).

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Average cloud cover in May
Bayonne, NJ

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).

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Average visibility in May
Bayonne, NJ

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).

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Bayonne, New Jersey, USA

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