January weather forecast
Brooklyn, PA

Share

Weather in January

January, the same as December, in Brooklyn, Pennsylvania, is another subzero cold winter month, with an average temperature varying between 17.1°F (-8.3°C) and 28.6°F (-1.9°C).

Temperature

Brooklyn records the coldest temperatures in January, averaging a high of 28.6°F (-1.9°C) and a low of 17.1°F (-8.3°C).

Humidity

In Brooklyn, the average relative humidity in January is 84%.

Rainfall

The month with the least rainfall is January, when the rain falls for 7.8 days and typically collects 2.2" (56mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Brooklyn, in January, during 17.8 snowfall days, 8.23" (209mm) of snow is typically accumulated. Throughout the year, there are 80.1 snowfall days, and 41.93" (1065mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 34min.
On the first day of January, sunrise is at 7:30 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:16 pm EST.

Sunshine

In January, the average sunshine is 3.3h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 1 suggests this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What month is the coldest?

The coldest period tends to be January, when average temperatures fluctuate between a high of 28.6°F (-1.9°C) and a low of 17.1°F (-8.3°C).

How cold is it in January?

In January, in Brooklyn, the average high-temperature is 28.6°F (-1.9°C), and the average low-temperature is 17.1°F (-8.3°C).

What is the average humidity in January?

In Brooklyn, the average relative humidity in January is 84%.

What is the driest month in Brooklyn?

January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 2.2" (56mm) of precipitation.

How many days does it rain in January?

In January, the rain falls for 7.8 days. Throughout January, 2.2" (56mm) of precipitation is accumulated.

How many days does it snow in January?

In Brooklyn, during January, snow falls for 17.8 days and regularly aggregates up to 8.23" (209mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 34min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:30 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:16 pm EST.

How long on average sun shines in January?

In Brooklyn, the average sunshine duration in January is 3.3h.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Brooklyn.

What is the UV index reading in January in Brooklyn?

The average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Brooklyn, PA

Average temperature in January - Brooklyn, PA
  • Average high temperature in January: 28.6°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in January: 17.1°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in January
Brooklyn, PA

Average pressure in January - Brooklyn, PA
  • Average pressure in January: 30.07"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).

Average wind speed in January
Brooklyn, PA

Average wind speed in January - Brooklyn, PA
  • Average wind speed in January: 8.5mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Brooklyn, PA

Average humidity in January - Brooklyn, PA
  • Average humidity in January: 84%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).

Average rainfall in January
Brooklyn, PA

Average rainfall in January - Brooklyn, PA
  • Average rainfall in January: 2.2"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (2.2").

Average rainfall days in January
Brooklyn, PA

Average rainfall days in January - Brooklyn, PA
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in January
Brooklyn, PA

Average snowfall in January - Brooklyn, PA
  • Average snowfall in January: 8.23"

The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Brooklyn, PA

Average snowfall days in January - Brooklyn, PA
  • Average snowfall days in January: 17.8 days

The months with the highest number of snowfall days are January and February (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Brooklyn, PA

Average daylight in January / Average sunshine in January - Brooklyn, PA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days in January
Brooklyn, PA

Average sunshine days in January - Brooklyn, PA
  • Average sunshine days in January: 9.8 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in January
Brooklyn, PA

Average UV index in January - Brooklyn, PA
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Brooklyn, PA

Average cloud cover in January - Brooklyn, PA
  • Average cloud cover in January: 68

The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in January
Brooklyn, PA

Average visibility in January - Brooklyn, PA
  • Average visibility in January: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Brooklyn, Pennsylvania, USA

Weather forecast for your location

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