January weather forecast
Wetherills Corner, PA

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Weather in January

January, like December, in Wetherills Corner, Pennsylvania, is a wintry winter month, with an average temperature varying between 23.9°F (-4.5°C) and 36°F (2.2°C).

Temperature

Wetherills Corner experiences its lowest average temperatures in January, reaching a peak of 36°F (2.2°C) and a minimum of 23.9°F (-4.5°C).

Humidity

The average relative humidity in January is 76%.

Rainfall

In January, the rain falls for 6.9 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. In Wetherills Corner, during the entire year, the rain falls for 132.3 days and collects up to 13.98" (355mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. The months with the most snowfall are January and February, with an average 0.59" (15mm) of accumulated snow.

Daylight

In Wetherills Corner, the average length of the day in January is 9h and 42min.
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 7:11 am and sunset at 5:18 pm EST.

Sunshine

The average sunshine in January is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The coldest month is January, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 23.9°F (-4.5°C).

How cold is January in Wetherills Corner?

In January, the average high-temperature and low-temperature in Wetherills Corner are 36°F (2.2°C) and 23.9°F (-4.5°C) respectively.

What is the average humidity in January?

In Wetherills Corner, the average relative humidity in January is 76%.

How many days does it rain in January?

In January, the rain falls for 6.9 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

When does it snow the most?

The months with the most snowfall are January and February, with an average 0.59" (15mm) of accumulated snow.

How much does it snow in January?

In Wetherills Corner, Pennsylvania, in January, during 4.8 snowfall days, 0.59" (15mm) of snow is typically accumulated.

How many hours of daylight does Wetherills Corner have in January?

In January, the average day length is 9h and 42min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:23 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:18 pm EST.

How long on average sun shines in January?

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

What are the months with the lowest UV index?

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

What is the UV index intensity in January?

In Wetherills Corner, Pennsylvania, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Wetherills Corner, PA

Average temperature in January - Wetherills Corner, PA
  • Average high temperature in January: 36°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in January: 23.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in January
Wetherills Corner, PA

Average pressure in January - Wetherills Corner, 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
Wetherills Corner, PA

Average wind speed in January - Wetherills Corner, PA
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in January
Wetherills Corner, PA

Average humidity in January - Wetherills Corner, PA
  • Average humidity in January: 76%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in January
Wetherills Corner, PA

Average rainfall in January - Wetherills Corner, PA
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in January
Wetherills Corner, PA

Average rainfall days in January - Wetherills Corner, PA
  • Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in January
Wetherills Corner, PA

Average snowfall in January - Wetherills Corner, PA
  • Average snowfall in January: 0.59"

The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Wetherills Corner, PA

Average snowfall days in January - Wetherills Corner, PA
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Wetherills Corner, PA

Average daylight in January / Average sunshine in January - Wetherills Corner, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Wetherills Corner, PA

Average sunshine days in January - Wetherills Corner, PA
  • Average sunshine days in January: 20.7 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in January
Wetherills Corner, PA

Average UV index in January - Wetherills Corner, 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, March, November and December (UV index 2).

Average cloud cover in January
Wetherills Corner, PA

Average cloud cover in January - Wetherills Corner, 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
Wetherills Corner, PA

Average visibility in January - Wetherills Corner, PA
  • Average visibility in January: 6mi

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

Wetherills Corner, Pennsylvania, USA

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