January weather forecast
Slykerville, PA

Share

Weather in January

January, the same as December, in Slykerville, Pennsylvania, is a freezing cold winter month, with an average temperature varying between 18.9°F (-7.3°C) and 31.5°F (-0.3°C).

Temperature

Slykerville's January weather, marked by an average high temperature of 31.5°F (-0.3°C) and an average low temperature of 18.9°F (-7.3°C), is the coldest in the year.

Humidity

In Slykerville, the average relative humidity in January is 82%.

Rainfall

In Slykerville, Pennsylvania, in January, it is raining for 7.2 days, with typically 2.6" (66mm) of accumulated precipitation. In Slykerville, during the entire year, the rain falls for 163.3 days and collects up to 34.37" (873mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Slykerville. The months with the most snowfall are January and February, with an average 7.64" (194mm) of accumulated snow.

Daylight

In Slykerville, the average length of the day in January is 9h and 38min.
On the first day of January, sunrise is at 7:28 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:19 pm EST.

Sunshine

In January, the average sunshine is 3.8h.

UV index

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 during January translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January is the month when Slykerville sees the average lowest temperatures, with a high of 31.5°F (-0.3°C) and a low of 18.9°F (-7.3°C).

How cold is January?

An average high-temperature, in January, in Slykerville, is 31.5°F (-0.3°C) and the average low-temperature is 18.9°F (-7.3°C).

What is the average humidity in January in Slykerville?

The average relative humidity in January in Slykerville is 82%.

How much does it rain in January?

In Slykerville, in January, during 7.2 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

When does it snow the most?

The months with the most snowfall are January and February, with an average 7.64" (194mm) of accumulated snow.

How many days does it snow in January?

In Slykerville, in January, during 12.6 snowfall days, 7.64" (194mm) of snow is typically accumulated.

What is the average length of the day in January?

In Slykerville, the average day length in January is 9h and 38min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:28 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:19 pm EST.

How many hours of sunshine does Slykerville have in January?

The average sunshine duration in January is 3.8h.

How high is the UV index in January?

In Slykerville, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents 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
Slykerville, PA

Average temperature in January - Slykerville, PA
  • Average high temperature in January: 31.5°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in January
Slykerville, PA

Average pressure in January - Slykerville, 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
Slykerville, PA

Average wind speed in January - Slykerville, PA
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in January
Slykerville, PA

Average humidity in January - Slykerville, PA
  • Average humidity in January: 82%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).

Average rainfall in January
Slykerville, PA

Average rainfall in January - Slykerville, PA
  • Average rainfall in January: 2.6"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in January
Slykerville, PA

Average rainfall days in January - Slykerville, PA
  • Average rainfall days in January: 7.2 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in January
Slykerville, PA

Average snowfall in January - Slykerville, PA
  • Average snowfall in January: 7.64"

The months with the highest snowfall are January and February (7.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Slykerville, PA

Average snowfall days in January - Slykerville, PA
  • Average snowfall days in January: 12.6 days

The month with the highest number of snowfall days is February (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
Slykerville, PA

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in January
Slykerville, PA

Average sunshine days in January - Slykerville, PA
  • Average sunshine days in January: 14.3 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.7 days).

Average UV index in January
Slykerville, PA

Average UV index in January - Slykerville, 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
Slykerville, PA

Average cloud cover in January - Slykerville, PA
  • Average cloud cover in January: 59

The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in January
Slykerville, PA

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

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

Slykerville, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location