May weather forecast
Keyport, NJ

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Weather in May

May, the last month of the spring in Keyport, is a comfortable month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 67.6°F (19.8°C).

Temperature

The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a mild 57.9°F (14.4°C) in April to an enjoyable 67.6°F (19.8°C). Keyport's temperature in May lowers to a consistent average of 54.1°F (12.3°C) during the nights.

Humidity

May and June, with an average relative humidity of 77%, are the most humid months.

Rainfall

In May, the rain falls for 16.2 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 153 rainfall days, and 28.7" (729mm) of precipitation is accumulated.

Snowfall

In Keyport, snow does not fall in May through October.

Ocean temperature

In Keyport, New Jersey, in May, the average water temperature is 54.1°F (12.3°C).
Note: Beware of 54.1°F (12.3°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.

Daylight

In May, the average length of the day is 14h and 26min.
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 5:28 am and sunset at 8:20 pm EDT.

Sunshine

In Keyport, the average sunshine in May is 8.7h.

UV index

In Keyport, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Keyport?

May temperatures vary between a high-temperature of 67.6°F (19.8°C) and a low-temperature of 54.1°F (12.3°C).

What are the most humid months?

The months with the highest humidity in Keyport are May and June, with an average relative humidity of 77%.

What is the average humidity in May?

The average relative humidity in May is 77%.

How much does it rain in May?

In May, the rain falls for 16.2 days. Throughout May, 2.95" (75mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

What is the ocean temperature in May?

In Keyport, New Jersey, in May, the average water temperature is 54.1°F (12.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Keyport have in May?

The average day length in May is 14h and 26min.

When are sunrise and sunset in May?

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 5:28 am and sunset at 8:20 pm EDT.

How many hours of sunshine does Keyport have in May?

In Keyport, the average sunshine duration in May is 8.7h.

How high is the UV index in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Keyport, NJ

Average temperature in May - Keyport, NJ
  • Average high temperature in May: 67.6°F

The warmest month (with the highest average high temperature) is July (82.6°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 (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in May
Keyport, NJ

Average pressure in May - Keyport, 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
Keyport, NJ

Average wind speed in May - Keyport, NJ
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in May
Keyport, NJ

Average humidity in May - Keyport, NJ
  • Average humidity in May: 77%

The months with the highest relative humidity are May and June (77%).
The months with the lowest relative humidity are March, April, August and November (73%).

Average rainfall in May
Keyport, NJ

Average rainfall in May - Keyport, NJ
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.61").

Average rainfall days in May
Keyport, NJ

Average rainfall days in May - Keyport, NJ
  • Average rainfall days in May: 16.2 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in May
Keyport, NJ

Average snowfall in May - Keyport, NJ
  • Average snowfall in May: 0"

The month with the highest snowfall is March (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Keyport, NJ

Average snowfall days in May - Keyport, NJ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in May
Keyport, NJ

Average sea temperature in May - Keyport, NJ
  • Average sea temperature in May: 54.1°F

The best month for swimming (with the highest average sea temperature) is August (74.8°F).
The coldest month (with the lowest average sea temperature) is February (40.4°F).

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

Average daylight in May / Average sunshine in May - Keyport, 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 18min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Keyport, NJ

Average sunshine days in May - Keyport, NJ
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in May
Keyport, NJ

Average UV index in May - Keyport, 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
Keyport, NJ

Average cloud cover in May - Keyport, NJ
  • Average cloud cover in May: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in May
Keyport, NJ

Average visibility in May - Keyport, 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).

Keyport, New Jersey, USA

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