January weather forecast
Westover, PA

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Weather in January

January, the same as December, in Westover, Pennsylvania, is another subzero cold winter month, with an average temperature fluctuating between 30.4°F (-0.9°C) and 18.5°F (-7.5°C).

Temperature

January tends to be the coldest month, with temperatures averaging a daily high of 30.4°F (-0.9°C) and a low of 18.5°F (-7.5°C).

Humidity

In January, the average relative humidity is 86%.

Rainfall

In Westover, in January, during 5.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Westover, during the entire year, the rain falls for 121.6 days and collects up to 10.75" (273mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall in Westover. Snow falls for 12.7 days and accumulates 2.64" (67mm) of snow.

Daylight

The average length of the day in January is 9h and 39min.
On the first day of January, sunrise is at 7:38 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:30 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 2.9h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

What are the coldest months?

The coldest time of the year is January, with temperatures averaging a high of 30.4°F (-0.9°C) and a low of 18.5°F (-7.5°C).

How cold is January?

In Westover, 30.4°F (-0.9°C) is the average high-temperature and 18.5°F (-7.5°C) is the average low-temperature during January.

What is the average humidity in January?

In Westover, the average relative humidity in January is 86%.

How many days does it rain in January?

In Westover, during January, the rain falls for 5.8 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 12.7 days and typically aggregates up to 2.64" (67mm) of snow.

How much does it snow in January?

In January, it is snowing for 12.7 days. Throughout January, 2.64" (67mm) of snow is accumulated.

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

In January, the average day length is 9h and 39min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:38 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:30 pm EST.

What is the month with the least sunshine?

With an average of 2.9h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Westover have in January?

The average sunshine duration in January is 2.9h.

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents 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
Westover, PA

Average temperature in January - Westover, PA
  • Average high temperature in January: 30.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in January: 18.5°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in January
Westover, PA

Average pressure in January - Westover, PA
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Westover, PA

Average wind speed in January - Westover, PA
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Westover, PA

Average humidity in January - Westover, PA
  • Average humidity in January: 86%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall in January
Westover, PA

Average rainfall in January - Westover, PA
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").

Average rainfall days in January
Westover, PA

Average rainfall days in January - Westover, PA
  • Average rainfall days in January: 5.8 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in January
Westover, PA

Average snowfall in January - Westover, PA
  • Average snowfall in January: 2.64"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Westover, PA

Average snowfall days in January - Westover, PA
  • Average snowfall days in January: 12.7 days

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Westover, 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: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in January
Westover, PA

Average sunshine days in January - Westover, PA
  • Average sunshine days in January: 17 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in January
Westover, PA

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

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

Average cloud cover in January
Westover, PA

Average cloud cover in January - Westover, PA
  • Average cloud cover in January: 72

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in January
Westover, PA

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

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

Westover, Pennsylvania, USA

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