January weather forecast
Butler, NJ

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Weather in January

January, like December, in Butler, New Jersey, is an icy winter month, with an average temperature fluctuating between 34.3°F (1.3°C) and 21.4°F (-5.9°C).

Temperature

Butler experiences its lowest temperatures in January, with an average peak of 34.3°F (1.3°C) and a low of 21.4°F (-5.9°C).

Humidity

In Butler, the average relative humidity in January is 78%.

Rainfall

In Butler, in January, it is raining for 4.5 days, with typically 0.51" (13mm) of accumulated precipitation. In Butler, New Jersey, during the entire year, the rain falls for 111.1 days and collects up to 8.46" (215mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Butler, New Jersey, in January, during 6.1 snowfall days, 0.75" (19mm) of snow is typically accumulated. Throughout the year, in Butler, there are 22 snowfall days, and 3.19" (81mm) of snow is accumulated.

Daylight

In Butler, New Jersey, the average length of the day in January is 9h and 38min.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:12 pm EST.

Sunshine

In Butler, the average sunshine in January is 4.7h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Butler?

With average high temperatures of 34.3°F (1.3°C) and lows of 21.4°F (-5.9°C), January is the coldest month.

How cold is January?

Butler in January has an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.4°F (-5.9°C).

What is the average humidity in January?

In Butler, the average relative humidity in January is 78%.

How many days does it rain in January?

In Butler, during January, the rain falls for 4.5 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How much does it snow in January?

In Butler, during January, snow falls for 6.1 days and regularly aggregates up to 0.75" (19mm) of snow.

How many hours of daylight does Butler have in January?

In Butler, the average day length in January is 9h and 38min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:22 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:12 pm EST.

How long on average sun shines in January?

In Butler, the average sunshine duration in January is 4.7h.

What are the months with the lowest UV index?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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 January
Butler, NJ

Average temperature in January - Butler, NJ
  • Average high temperature in January: 34.3°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in January: 21.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

Average pressure in January
Butler, NJ

Average pressure in January - Butler, NJ
  • Average pressure in January: 30.06"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 January
Butler, NJ

Average wind speed in January - Butler, NJ
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in January
Butler, NJ

Average humidity in January - Butler, NJ
  • Average humidity in January: 78%

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in January
Butler, NJ

Average rainfall in January - Butler, NJ
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is July (1.06").
The driest month (with the least rainfall) is September (0.31").

Average rainfall days in January
Butler, NJ

Average rainfall days in January - Butler, NJ
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in January
Butler, NJ

Average snowfall in January - Butler, NJ
  • Average snowfall in January: 0.75"

The month with the highest snowfall is March (0.98").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Butler, NJ

Average snowfall days in January - Butler, NJ
  • Average snowfall days in January: 6.1 days

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Butler, NJ

Average daylight in January / Average sunshine in January - Butler, NJ
  • Average daylight in January: 9h and 4min

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 January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in January
Butler, NJ

Average sunshine days in January - Butler, NJ
  • Average sunshine days in January: 22.3 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.9 days).

Average UV index in January
Butler, NJ

Average UV index in January - Butler, NJ
  • Average UV index in January: 2

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 January
Butler, NJ

Average cloud cover in January - Butler, NJ
  • Average cloud cover in January: 48

The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in January
Butler, NJ

Average visibility in January - Butler, NJ
  • Average visibility in January: 6mi

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

Butler, New Jersey, USA

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