January weather forecast and climate
Dennisville, NJ

January, the same as December, is another cold winter month in Dennisville, New Jersey, with average temperature ranging between min 31.3°F (-0.4°C) and max 40.1°F (4.5°C).

Temperature

The coldest month is January, with an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 31.3°F (-0.4°C).

Humidity

In Dennisville, the average relative humidity in January is 74%.

Rainfall

The month with the least rainfall in Dennisville, New Jersey, is January when the rain falls for 7 days and typically collects 0.67" (17mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Dennisville. The month with the most snowfall is January when snow falls for 4.7 days and typically aggregates up to 0.59" (15mm) of snow.

Daylight

In January, the average length of the day in Dennisville is 9.8h.

Sunshine

The average sunshine in Dennisville is 5.4h.

UV index

Months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's 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.

What is the coldest month in Dennisville?

With an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 31.3°F (-0.4°C), January is the coldest month.

What is the temperature in January in Dennisville?

In January, in Dennisville, New Jersey, the average high-temperature is 40.1°F (4.5°C), and the average low-temperature is 31.3°F (-0.4°C).

What is the average humidity in January in Dennisville?

The average relative humidity in January in Dennisville is 74%.

How many days does it rain in January in Dennisville?

In January, in Dennisville, New Jersey, the rain falls for 7 days. Throughout January, 0.67" (17mm) of precipitation is accumulated.

What is the driest month in Dennisville?

January is the month with the least rainfall in Dennisville, New Jersey. Rain falls for 7 days and accumulates 0.67" (17mm) of precipitation.

How much does it snow in Dennisville in January?

In Dennisville, New Jersey, in January, snow falls for 4.7 days, with typically accumulated 0.59" (15mm) of snow.

When does it snow the most in Dennisville?

The month with the most snowfall in Dennisville is January when snow falls for 4.7 days and typically aggregates up to 0.59" (15mm) of snow.

What is the average length of the day in January in Dennisville?

The average length of the day in January in Dennisville is 9.8h.

How long on average sun shines in January in Dennisville?

The average sunshine in January in Dennisville is 5.4h.

What are the months with the lowest UV index in Dennisville?

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

How high is the UV index in January in Dennisville?

In Dennisville, New Jersey, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in January - Dennisville, NJ
  • Average high temperature in January: 4.5°C

The warmest month (with the highest average high temperature) is July (27.1°C).
The month with the lowest average high temperature is January (4.5°C).

  • Average low temperature in January: -0.4°C

The month with the highest average low temperature is July (22.3°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).

Average pressure in January - Dennisville, NJ
  • Average pressure in January: 1018.7mbar

The month with the highest atmospheric pressure is November (1019.8mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in January - Dennisville, NJ
  • Average wind speed in January: 19.2km/h

The windiest month (with the highest average wind speed) is January (19.2km/h).
The calmest month (with the lowest average wind speed) is August (13km/h).

Average humidity in January - Dennisville, NJ
  • Average humidity in January: 74%

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

Average rainfall in January - Dennisville, NJ
  • Average rainfall in January: 17mm

The wettest month (with the highest rainfall) is August (41mm).
The driest month (with the least rainfall) is January (17mm).

Average rainfall days in January - Dennisville, NJ
  • Average rainfall days in January: 7 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).

Average snowfall in January - Dennisville, NJ
  • Average snowfall in January: 15mm

The month with the highest snowfall is January (15mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in January - Dennisville, NJ
  • Average snowfall days in January: 4.7 days

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

Average daylight in January / Average sunshine in January - Dennisville, NJ
  • Average daylight in January: 9.8h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in January: 5.4h

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

Average sunshine days in January - Dennisville, NJ
  • Average sunshine days in January: 19.6 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).

Average UV index in January - Dennisville, 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 and December (UV index 2).

Average cloud cover in January - Dennisville, NJ
  • Average cloud cover in January: 42

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

Average visibility in January - Dennisville, NJ
  • Average visibility in January: 9km

Months with the highest visibility are February, March, April, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, May and December (9km).