January weather forecast
Villanova, PA

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Weather in January

January, the same as December, is another cold winter month in Villanova, Pennsylvania, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 36.7°F (2.6°C).

Temperature

With average temperatures fluctuating between a high of 36.7°F (2.6°C) and a low of 25°F (-3.9°C), January stands out as the coldest month.

Humidity

In January, the average relative humidity 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 Villanova, in January, during 4.5 snowfall days, 0.87" (22mm) of snow is typically accumulated. Throughout the year, there are 15.1 snowfall days, and 3.66" (93mm) of snow is accumulated.

Daylight

In Villanova, the average length of the day in January is 9h and 43min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:18 pm EST.

Sunshine

In Villanova, the average sunshine in January is 4.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during January translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

What part of the year is the coldest?

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

How cold is January?

The high-temperature, in January, in Villanova, is 36.7°F (2.6°C), while the low-temperature averages to 25°F (-3.9°C).

What is the average humidity in January?

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

What is the driest month?

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 Villanova, during January, the rain falls for 5.3 days and regularly aggregates up to 0.55" (14mm) of precipitation.

How many days 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?

In January, the average day length is 9h and 43min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:23 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?

The average sunshine duration in January is 4.8h.

What are the months 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?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Villanova, PA

Average temperature in January - Villanova, 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
Villanova, PA

Average pressure in January - Villanova, 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
Villanova, PA

Average wind speed in January - Villanova, 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
Villanova, PA

Average humidity in January - Villanova, 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
Villanova, PA

Average rainfall in January - Villanova, 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
Villanova, PA

Average rainfall days in January - Villanova, 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
Villanova, PA

Average snowfall in January - Villanova, 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
Villanova, PA

Average snowfall days in January - Villanova, 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
Villanova, PA

Average daylight in January / Average sunshine in January - Villanova, 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
Villanova, PA

Average sunshine days in January - Villanova, 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
Villanova, PA

Average UV index in January - Villanova, 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
Villanova, PA

Average cloud cover in January - Villanova, 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
Villanova, PA

Average visibility in January - Villanova, 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).

Villanova, Pennsylvania, USA

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