January weather forecast
Millbourne, PA

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Weather in January

January, the same as December, is another cold winter month in Millbourne, Pennsylvania, with an average temperature fluctuating between 25°F (-3.9°C) and 36.7°F (2.6°C).

Temperature

January is the month when Millbourne sees the lowest average temperatures, with a high of 36.7°F (2.6°C) and a low of 25°F (-3.9°C).

Humidity

In Millbourne, the average relative humidity in January is 75%.

Rainfall

The month with the least rainfall is January, when the rain falls for 5.3 days and typically collects 0.55" (14mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In January, it is snowing for 4.5 days. Throughout January, 0.87" (22mm) of snow is accumulated. Throughout the year, there are 15.1 snowfall days, and 3.66" (93mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 43min.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:46 pm. On the last day of January, in Millbourne, sunrise is at 7:10 am and sunset at 5:18 pm EST.

Sunshine

In January, the average sunshine in Millbourne, Pennsylvania, is 4.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Millbourne's January weather reaches an average high of 36.7°F (2.6°C) and an average low of 25°F (-3.9°C), making it the coldest month.

How cold is it in January?

During January, Millbourne experiences an average high-temperature of 36.7°F (2.6°C) and a low-temperature of 25°F (-3.9°C).

What is the average humidity in January?

In Millbourne, the average relative humidity in January is 75%.

What is the driest month in Millbourne?

January is the month with the least rainfall. Rain falls for 5.3 days and accumulates 0.55" (14mm) of precipitation.

How much does it rain in January?

In January, the rain falls for 5.3 days. Throughout January, 0.55" (14mm) of precipitation is accumulated.

How much does it snow in January?

In January, it is snowing for 4.5 days. Throughout January, 0.87" (22mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January in Millbourne is 9h and 43min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:22 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:18 pm EST.

How long on average sun shines in January?

In Millbourne, the average sunshine duration in January is 4.8h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Millbourne, PA

Average temperature in January - Millbourne, PA
  • Average high temperature in January: 36.7°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in January: 25°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in January
Millbourne, PA

Average pressure in January - Millbourne, PA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Millbourne, PA

Average wind speed in January - Millbourne, PA
  • Average wind speed in January: 8.2mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in January
Millbourne, PA

Average humidity in January - Millbourne, PA
  • Average humidity in January: 75%

The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in January
Millbourne, PA

Average rainfall in January - Millbourne, PA
  • Average rainfall in January: 0.55"

The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in January
Millbourne, PA

Average rainfall days in January - Millbourne, PA
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in January
Millbourne, PA

Average snowfall in January - Millbourne, PA
  • Average snowfall in January: 0.87"

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

Average snowfall days in January
Millbourne, PA

Average snowfall days in January - Millbourne, PA
  • Average snowfall days in January: 4.5 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Millbourne, PA

Average sunshine days in January - Millbourne, PA
  • Average sunshine days in January: 21.9 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).

Average UV index in January
Millbourne, PA

Average UV index in January - Millbourne, PA
  • Average UV index in January: 2

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

Average cloud cover in January
Millbourne, PA

Average cloud cover in January - Millbourne, PA
  • Average cloud cover in January: 46

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Millbourne, PA

Average visibility in January - Millbourne, PA
  • Average visibility in January: 6mi

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

Millbourne, Pennsylvania, USA

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