January weather forecast
Westwood Heights, PA

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Weather in January

January, like December, in Westwood Heights, Pennsylvania, is another cold winter month, with an average temperature varying between 21.6°F (-5.8°C) and 34°F (1.1°C).

Temperature

Westwood Heights's January weather reaches an average high of 34°F (1.1°C) and an average low of 21.6°F (-5.8°C), making it the coldest month.

Humidity

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

Rainfall

In Westwood Heights, in January, during 6.7 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 145.1 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Westwood Heights, during January, snow falls for 5 days and regularly aggregates up to 3.15" (80mm) of snow. Throughout the year, there are 20.4 snowfall days, and 13.82" (351mm) of snow is accumulated.

Daylight

The average length of the day in January in Westwood Heights is 9h and 40min.
On the first day of January, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:18 pm EST.

Sunshine

In January, the average sunshine is 4.7h.

UV index

The months with the lowest UV index in Westwood Heights are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 2 suggests this advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Westwood Heights?

January is the coldest month of the year, registering average temperatures as high as 34°F (1.1°C) and as low as 21.6°F (-5.8°C).

How cold is it in Westwood Heights in January?

The average high-temperature, in January, in Westwood Heights, is 34°F (1.1°C), while the average low-temperature is 21.6°F (-5.8°C).

What is the average humidity in January in Westwood Heights?

The average relative humidity in January is 78%.

How much does it rain in Westwood Heights in January?

In Westwood Heights, Pennsylvania, in January, it is raining for 6.7 days, with typically 1.81" (46mm) of accumulated precipitation.

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

In January, in Westwood Heights, it is snowing for 5 days. Throughout January, 3.15" (80mm) of snow is accumulated.

What is the average length of the day in January in Westwood Heights?

In Westwood Heights, Pennsylvania, the average day length in January is 9h and 40min.

When is the sunrise / sunset in January in Westwood Heights?

On the first day of January, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:18 pm EST.

How long on average sun shines in January in Westwood Heights?

The average sunshine duration in January in Westwood Heights, Pennsylvania, is 4.7h.

What is the month with the lowest UV index in Westwood Heights?

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

How high is the UV index in January in Westwood Heights?

In Westwood Heights, Pennsylvania, the average daily maximum UV index in January 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
Westwood Heights, PA

Average temperature in January - Westwood Heights, PA
  • Average high temperature in January: 34°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in January
Westwood Heights, PA

Average pressure in January - Westwood Heights, PA
  • Average pressure in January: 30.08"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).

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Average wind speed in January
Westwood Heights, PA

Average wind speed in January - Westwood Heights, PA
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in January
Westwood Heights, PA

Average humidity in January - Westwood Heights, PA
  • Average humidity in January: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in January
Westwood Heights, PA

Average rainfall in January - Westwood Heights, PA
  • Average rainfall in January: 1.81"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in January
Westwood Heights, PA

Average rainfall days in January - Westwood Heights, PA
  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

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Average snowfall in January
Westwood Heights, PA

Average snowfall in January - Westwood Heights, PA
  • Average snowfall in January: 3.15"

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Westwood Heights, PA

Average snowfall days in January - Westwood Heights, PA
  • Average snowfall days in January: 5 days

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Westwood Heights, PA

Average daylight in January / Average sunshine in January - Westwood Heights, 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 18min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in January
Westwood Heights, PA

Average sunshine days in January - Westwood Heights, PA
  • Average sunshine days in January: 20.5 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in January
Westwood Heights, PA

Average UV index in January - Westwood Heights, PA
  • Average UV index in January: 2

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

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Average cloud cover in January
Westwood Heights, PA

Average cloud cover in January - Westwood Heights, PA
  • Average cloud cover in January: 48

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in January
Westwood Heights, PA

Average visibility in January - Westwood Heights, PA
  • Average visibility in January: 5mi

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

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Westwood Heights, Pennsylvania, USA

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