January weather forecast
Waynesboro, PA

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Weather in January

January, the same as December, is a wintry winter month in Waynesboro, Pennsylvania, with an average temperature varying between 22.6°F (-5.2°C) and 35.8°F (2.1°C).

Temperature

January tends to be the coldest month, with temperatures averaging a daily high of 35.8°F (2.1°C) and a low of 22.6°F (-5.2°C).

Humidity

In January, the average relative humidity is 76%.

Rainfall

In Waynesboro, in January, it is raining for 8.2 days, with typically 2.36" (60mm) of accumulated precipitation. In Waynesboro, during the entire year, the rain falls for 158.5 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 9.6 days and accumulates 6.81" (173mm) of snow.

Daylight

In Waynesboro, the average length of the day in January is 9h and 44min.
On the first day of January, sunrise is at 7:31 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:28 pm EST.

Sunshine

In Waynesboro, the average sunshine in January is 4.6h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

With average high temperatures of 35.8°F (2.1°C) and lows of 22.6°F (-5.2°C), January is the coldest month.

How cold is it in January?

In January, the average high-temperature and low-temperature are 35.8°F (2.1°C) and 22.6°F (-5.2°C) respectively.

What is the average humidity in January in Waynesboro?

The average relative humidity in January is 76%.

How much does it rain in January?

In January, the rain falls for 8.2 days. Throughout January, 2.36" (60mm) of precipitation is accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 9.6 days and typically aggregates up to 6.81" (173mm) of snow.

How many days does it snow in January?

In Waynesboro, in January, during 9.6 snowfall days, 6.81" (173mm) of snow is typically accumulated.

What is the average length of the day in January?

In Waynesboro, the average day length in January is 9h and 44min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:31 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:28 pm EST.

How long on average sun shines in January?

The average sunshine duration in January in Waynesboro is 4.6h.

What is the month 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 intensity in January?

In Waynesboro, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
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
Waynesboro, PA

Average temperature in January - Waynesboro, PA
  • Average high temperature in January: 35.8°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in January: 22.6°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in January
Waynesboro, PA

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Waynesboro, PA

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

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in January
Waynesboro, PA

Average humidity in January - Waynesboro, PA
  • Average humidity in January: 76%

The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is July (75%).

Average rainfall in January
Waynesboro, PA

Average rainfall in January - Waynesboro, PA
  • Average rainfall in January: 2.36"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in January
Waynesboro, PA

Average rainfall days in January - Waynesboro, PA
  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in January
Waynesboro, PA

Average snowfall in January - Waynesboro, PA
  • Average snowfall in January: 6.81"

The month with the highest snowfall is January (6.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Waynesboro, PA

Average snowfall days in January - Waynesboro, PA
  • Average snowfall days in January: 9.6 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 4h and 4min

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 30min).

Average sunshine days in January
Waynesboro, PA

Average sunshine days in January - Waynesboro, PA
  • Average sunshine days in January: 16 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in January
Waynesboro, PA

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

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

Average cloud cover in January
Waynesboro, PA

Average cloud cover in January - Waynesboro, PA
  • Average cloud cover in January: 50

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in January
Waynesboro, PA

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

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

Waynesboro, Pennsylvania, USA

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