January weather forecast
Chambersburg, PA

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Weather in January

Visiting Chambersburg, Pennsylvania in January offers a winter wonderland experience. This month is known for its chilly temperature as it stands as the coldest month of the year. Interesting feature of January is its higher wind speed, reaching up to 7.8mph (12.6km/h). While the town is known for its quaint charm, January hits it with a frosty charm. Despite the temperature, the town remains vibrant and energetic.

Temperature

The lowest temperatures in Chambersburg are recorded in January, with averages reaching a high of 35.1°F (1.7°C) and a low of 22.1°F (-5.5°C).

Humidity

The average relative humidity in January is 77%.

Rainfall

The month with the least rainfall is January, when the rain falls for 7.3 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 8.6 days and accumulates 4.92" (125mm) of snow.

Daylight

In January, the average length of the day is 9h and 43min.
On the first day of the month, sunrise is at 7:32 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:28 pm EST.

Sunshine

In Chambersburg, the average sunshine in January is 4.5h.

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 minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during January translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Enhance your sun protection with tightly woven, yet airy clothing. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What time of the year is the coldest?

In Chambersburg, January is the coldest month, with temperatures averaging a high of 35.1°F (1.7°C) and a low of 22.1°F (-5.5°C).

How cold is it in January?

In January, the average high-temperature and low-temperature are 35.1°F (1.7°C) and 22.1°F (-5.5°C) respectively.

What is the average humidity in January?

The average relative humidity in January is 77%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 7.3 days and accumulates 1.85" (47mm) of precipitation.

How many days does it rain in January?

In Chambersburg, in January, during 7.3 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 8.6 days and accumulates 4.92" (125mm) of snow.

How much does it snow in January?

In Chambersburg, in January, during 8.6 snowfall days, 4.92" (125mm) of snow is typically accumulated.

What is the average length of the day in January?

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

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:32 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:28 pm EST.

How many hours of sunshine does Chambersburg have in January?

The average sunshine duration in January in Chambersburg is 4.5h.

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.

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 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
Chambersburg, PA

Average temperature in January - Chambersburg, PA
  • Average high temperature in January: 35.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in January: 22.1°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in January
Chambersburg, PA

Average pressure in January - Chambersburg, 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
Chambersburg, PA

Average wind speed in January - Chambersburg, PA
  • Average wind speed in January: 7.8mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in January
Chambersburg, PA

Average humidity in January - Chambersburg, PA
  • Average humidity in January: 77%

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

Average rainfall in January
Chambersburg, PA

Average rainfall in January - Chambersburg, PA
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in January
Chambersburg, PA

Average rainfall days in January - Chambersburg, PA
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in January
Chambersburg, PA

Average snowfall in January - Chambersburg, PA
  • Average snowfall in January: 4.92"

The month with the highest snowfall is January (4.92").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Chambersburg, PA

Average snowfall days in January - Chambersburg, PA
  • Average snowfall days in January: 8.6 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Chambersburg, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in January
Chambersburg, PA

Average sunshine days in January - Chambersburg, PA
  • Average sunshine days in January: 17.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in January
Chambersburg, PA

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

The months with the highest UV index are June and July (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
Chambersburg, PA

Average cloud cover in January - Chambersburg, PA
  • Average cloud cover in January: 52

The months with the most cloud cover are January, February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in January
Chambersburg, PA

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

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

Chambersburg, Pennsylvania, USA

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