January weather forecast and climate
Island Heights, NJ

Weather in January

January, the same as December, is another cold winter month in Island Heights, New Jersey, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 38.7°F (3.7°C).

Temperature

January is the coldest month, with an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 28.8°F (-1.8°C).

Humidity

January, March and November, with an average relative humidity of 74%, are the least humid months in Island Heights.

Rainfall

The month with the least rainfall in Island Heights is January when the rain falls for 6.9 days and typically collects 0.79" (20mm) of precipitation.

Snowfall

Months with snowfall in Island Heights are January through March, November and December. In January, in Island Heights, it is snowing for 4.3 days. Throughout January, 0.71" (18mm) of snow is accumulated. Throughout the year, there are 13.6 snowfall days, and 2.56" (65mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9.7h.

Sunshine

In Island Heights, the average sunshine is 5.2h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the coldest month in Island Heights?

January is the coldest month, with an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 28.8°F (-1.8°C).

What is the temperature in January in Island Heights?

The average high-temperature, in January, in Island Heights, is 38.7°F (3.7°C), while the average low-temperature is 28.8°F (-1.8°C).

What is the least humid month in Island Heights?

January, March and November, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in January in Island Heights?

The average relative humidity in January in Island Heights is 74%.

How much does it rain in Island Heights in January?

In Island Heights, during January, the rain falls for 6.9 days and regularly aggregates up to 0.79" (20mm) of precipitation.

What is the driest month in Island Heights?

January is the month with the least rainfall. Rain falls for 6.9 days and accumulates 0.79" (20mm) of precipitation.

How many days does it snow in January in Island Heights?

In January, in Island Heights, New Jersey, it is snowing for 4.3 days. Throughout January, 0.71" (18mm) of snow is accumulated.

How many hours of daylight does Island Heights have in January?

The average length of the day in January in Island Heights, New Jersey, is 9.7h.

How many hours of sunshine does Island Heights have in January?

The average sunshine in January is 5.2h.

When is the lowest UV index in Island Heights?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Island Heights.

What is the UV index reading in January in Island Heights?

In January, the average daily maximum UV index in Island Heights is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the UV radiation.

Average temperature in January
Island Heights, NJ

Average temperature in January - Island Heights, NJ
  • Average high temperature in January: 38.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in January: 28.8°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

[Resources]

Average pressure in January
Island Heights, NJ

Average pressure in January - Island Heights, NJ
  • Average pressure in January: 30.07"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

[Resources]

Average wind speed in January
Island Heights, NJ

Average wind speed in January - Island Heights, NJ
  • Average wind speed in January: 11.9mph

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 (7.8mph).

[Resources]

Average humidity in January
Island Heights, NJ

Average humidity in January - Island Heights, NJ
  • Average humidity in January: 74%

Months with the highest relative humidity are May and June (80%).
Months with the lowest relative humidity are January, March and November (74%).

[Resources]

Average rainfall in January
Island Heights, NJ

Average rainfall in January - Island Heights, NJ
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.79").

[Resources]

Average rainfall days in January
Island Heights, NJ

Average rainfall days in January - Island Heights, NJ
  • Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.9 days).

[Resources]

Average snowfall in January
Island Heights, NJ

Average snowfall in January - Island Heights, NJ
  • Average snowfall in January: 0.71"

The month with the highest snowfall is December (0.75").
Months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in January
Island Heights, NJ

Average snowfall days in January - Island Heights, NJ
  • Average snowfall days in January: 4.3 days

The month with the highest number of snowfall days is January (4.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Island Heights, NJ

Average daylight in January / Average sunshine in January - Island Heights, NJ
  • Average daylight in January: 9.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in January: 5.2h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.9h).

[Resources]

Average sunshine days in January
Island Heights, NJ

Average sunshine days in January - Island Heights, NJ
  • Average sunshine days in January: 20.5 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (13.9 days).

[Resources]

Average UV index in January
Island Heights, NJ

Average UV index in January - Island Heights, NJ
  • Average UV index in January: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in January
Island Heights, NJ

Average cloud cover in January - Island Heights, NJ
  • Average cloud cover in January: 43

The month with the most cloud cover is February (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 28).

[Resources]

Average visibility in January
Island Heights, NJ

Average visibility in January - Island Heights, NJ
  • Average visibility in January: 6mi

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

[Resources]