May weather forecast
South Dennis, NJ

Share

Weather in May

The last month of the spring, May, is a comfortable month in South Dennis, New Jersey, with an average temperature ranging between max 66.2°F (19°C) and min 57°F (13.9°C).

Temperature

South Dennis's May weather shows an increase in high-temperatures, moving from April's mild 56.8°F (13.8°C) to an enjoyable 66.2°F (19°C). An average minimum temperature of 57°F (13.9°C) marks the month of May.

Humidity

With an average relative humidity of 81%, May is the most humid month.

Rainfall

In South Dennis, in May, during 13.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 130.8 rainfall days, and 13.23" (336mm) of precipitation is accumulated.

Snowfall

In South Dennis, snow does not fall in April through October.

Daylight

In May, the average length of the day in South Dennis is 14h and 20min.
On the first day of May in South Dennis, sunrise is at 5:59 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:19 pm EDT.

Sunshine

The average sunshine in May in South Dennis is 9.2h.

UV index

In South Dennis, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 5 in May suggests the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
[Resources]

Frequently asked questions

What is the usual temperature for South Dennis in May?

In May, the average high-temperature and low-temperature are 66.2°F (19°C) and 57°F (13.9°C) respectively.

What is the most humid month in South Dennis?

May is the most humid month in South Dennis, New Jersey, with an average relative humidity of 81%.

What is the average humidity in May in South Dennis?

In May, the average relative humidity in South Dennis, New Jersey, is 81%.

How much does it rain in South Dennis in May?

In May, the rain falls for 13.8 days. Throughout May, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in South Dennis?

In South Dennis, snow does not fall in April through October.

What is the average length of the day in May in South Dennis?

In South Dennis, the average day length in May is 14h and 20min.

What time are sunrise and sunset in May in South Dennis?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 7:52 pm. On the last day of the month, in South Dennis, sunrise is at 5:34 am and sunset at 8:19 pm EDT.

How long on average sun shines in May in South Dennis?

The average sunshine duration in May in South Dennis, New Jersey, is 9.2h.

What is the UV index intensity in May in South Dennis?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
South Dennis, NJ

Average temperature in May - South Dennis, NJ
  • Average high temperature in May: 66.2°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

[Resources]

Average pressure in May
South Dennis, NJ

Average pressure in May - South Dennis, NJ
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in May
South Dennis, NJ

Average wind speed in May - South Dennis, NJ
  • Average wind speed in May: 9.7mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

[Resources]

Average humidity in May
South Dennis, NJ

Average humidity in May - South Dennis, NJ
  • Average humidity in May: 81%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).

[Resources]

Average rainfall in May
South Dennis, NJ

Average rainfall in May - South Dennis, NJ
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is January (0.67").

[Resources]

Average rainfall days in May
South Dennis, NJ

Average rainfall days in May - South Dennis, NJ
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7 days).

[Resources]

Average snowfall in May
South Dennis, NJ

Average snowfall in May - South Dennis, NJ
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in May
South Dennis, NJ

Average snowfall days in May - South Dennis, NJ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
South Dennis, NJ

Average daylight in May / Average sunshine in May - South Dennis, 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 1min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in May
South Dennis, NJ

Average sunshine days in May - South Dennis, NJ
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (13.4 days).

[Resources]

Average UV index in May
South Dennis, NJ

Average UV index in May - South Dennis, 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).

[Resources]

Average cloud cover in May
South Dennis, NJ

Average cloud cover in May - South Dennis, NJ
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).

[Resources]

Average visibility in May
South Dennis, NJ

Average visibility in May - South Dennis, 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).

[Resources]

South Dennis, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location