May weather forecast
Lake Hopatcong, NJ

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Weather in May

The last month of the spring, May, is a pleasant month in Lake Hopatcong, New Jersey, with an average temperature ranging between min 49.6°F (9.8°C) and max 68.2°F (20.1°C).

Temperature

Entering May, Lake Hopatcong sees a temperature rise, with the average high-temperature advancing from April's moderate 57.7°F (14.3°C) to an agreeable 68.2°F (20.1°C). In the month of May, the temperature generally rests at an average low of 49.6°F (9.8°C).

Humidity

In May, the average relative humidity is 80%.

Rainfall

In May, the rain falls for 17.4 days. Throughout May, 3.35" (85mm) of precipitation is accumulated. Throughout the year, in Lake Hopatcong, there are 160.1 rainfall days, and 35.87" (911mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Lake Hopatcong, New Jersey, are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Lake Hopatcong aggregates 0.51" (13mm) of snow. Throughout the year, in Lake Hopatcong, there are 40.2 snowfall days, and 23.62" (600mm) of snow is accumulated.

Daylight

In May, the average length of the day in Lake Hopatcong is 14h and 29min.
On the first day of the month, sunrise is at 5:55 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:28 am and sunset at 8:23 pm EDT.

Sunshine

In Lake Hopatcong, the average sunshine in May is 8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In May, a regular UV index of 5 translates into these guidelines:
Take precautions - Protection against sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the average May temperature in Lake Hopatcong?

An average high-temperature, in May, in Lake Hopatcong, is 68.2°F (20.1°C) and the average low-temperature is 49.6°F (9.8°C).

What is the average humidity in May in Lake Hopatcong?

In Lake Hopatcong, the average relative humidity in May is 80%.

How much does it rain in Lake Hopatcong in May?

In Lake Hopatcong, during May, the rain falls for 17.4 days and regularly aggregates up to 3.35" (85mm) of precipitation.

What is the last month it snows in Lake Hopatcong?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Lake Hopatcong aggregates 0.51" (13mm) of snow.

What is the average length of the day in May in Lake Hopatcong?

The average day length in May in Lake Hopatcong, New Jersey, is 14h and 29min.

When are sunrise and sunset in May in Lake Hopatcong?

On the first day of May, sunrise is at 5:55 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:23 pm EDT.

How long on average sun shines in May in Lake Hopatcong?

In Lake Hopatcong, the average sunshine duration in May is 8h.

How high is the UV index in May in Lake Hopatcong?

In Lake Hopatcong, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lake Hopatcong, NJ

Average temperature in May - Lake Hopatcong, NJ
  • Average high temperature in May: 68.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in May
Lake Hopatcong, NJ

Average pressure in May - Lake Hopatcong, 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
Lake Hopatcong, NJ

Average wind speed in May - Lake Hopatcong, NJ
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Lake Hopatcong, NJ

Average humidity in May - Lake Hopatcong, NJ
  • Average humidity in May: 80%

The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in May
Lake Hopatcong, NJ

Average rainfall in May - Lake Hopatcong, NJ
  • Average rainfall in May: 3.35"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in May
Lake Hopatcong, NJ

Average rainfall days in May - Lake Hopatcong, NJ
  • Average rainfall days in May: 17.4 days

The months with the highest number of rainy days are May and July (17.4 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in May
Lake Hopatcong, NJ

Average snowfall in May - Lake Hopatcong, NJ
  • Average snowfall in May: 0.51"

The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Lake Hopatcong, NJ

Average snowfall days in May - Lake Hopatcong, NJ
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Lake Hopatcong, NJ

Average daylight in May / Average sunshine in May - Lake Hopatcong, NJ
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in May
Lake Hopatcong, NJ

Average sunshine days in May - Lake Hopatcong, NJ
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (10.6 days).

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Average UV index in May
Lake Hopatcong, NJ

Average UV index in May - Lake Hopatcong, NJ
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Lake Hopatcong, NJ

Average cloud cover in May - Lake Hopatcong, NJ
  • Average cloud cover in May: 50

The months with the most cloud cover are February, March and December (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in May
Lake Hopatcong, NJ

Average visibility in May - Lake Hopatcong, NJ
  • Average visibility in May: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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Lake Hopatcong, New Jersey, USA

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