January weather forecast
Campbelltown, PA

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Weather in January

January, the same as December, is an icy winter month in Campbelltown, Pennsylvania, with temperature in the range of an average low of 21.9°F (-5.6°C) and an average high of 34.2°F (1.2°C).

Temperature

January stands out as Campbelltown's coldest month, with temperatures ranging between an average high of 34.2°F (1.2°C) and a low of 21.9°F (-5.6°C).

Humidity

In January, the average relative humidity is 78%.

Rainfall

In January, the rain falls for 8.5 days. Throughout January, 2.24" (57mm) of precipitation is accumulated. In Campbelltown, during the entire year, the rain falls for 162.3 days and collects up to 30.71" (780mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall in Campbelltown. Snow falls for 9 days and accumulates 3.94" (100mm) of snow.

Daylight

The average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:16 am and sunset at 5:23 pm EST.

Sunshine

In January, the average sunshine is 4.7h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 suggests these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January is Campbelltown's coldest month, registering average high temperatures of 34.2°F (1.2°C) and lows of 21.9°F (-5.6°C).

How cold is it in January?

In Campbelltown, 34.2°F (1.2°C) is the average high-temperature and 21.9°F (-5.6°C) is the average low-temperature during January.

What is the average humidity in January?

In Campbelltown, the average relative humidity in January is 78%.

How many days does it rain in January in Campbelltown?

In January, the rain falls for 8.5 days. Throughout January, 2.24" (57mm) of precipitation is accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 9 days and typically aggregates up to 3.94" (100mm) of snow.

How much does it snow in January?

In Campbelltown, in January, during 9 snowfall days, 3.94" (100mm) of snow is typically accumulated.

How many hours of daylight does Campbelltown have in January?

The average day length in January is 9h and 41min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:28 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:23 pm EST.

How many hours of sunshine does Campbelltown have in January?

In January, the average sunshine duration is 4.7h.

When is the lowest UV index?

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

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes 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
Campbelltown, PA

Average temperature in January - Campbelltown, PA
  • Average high temperature in January: 34.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in January: 21.9°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in January
Campbelltown, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Campbelltown, PA

Average wind speed in January - Campbelltown, PA
  • Average wind speed in January: 8.4mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in January
Campbelltown, PA

Average humidity in January - Campbelltown, PA
  • Average humidity in January: 78%

The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in January
Campbelltown, PA

Average rainfall in January - Campbelltown, PA
  • Average rainfall in January: 2.24"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in January
Campbelltown, PA

Average rainfall days in January - Campbelltown, PA
  • Average rainfall days in January: 8.5 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in January
Campbelltown, PA

Average snowfall in January - Campbelltown, PA
  • Average snowfall in January: 3.94"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Campbelltown, PA

Average snowfall days in January - Campbelltown, PA
  • Average snowfall days in January: 9 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

Average sunshine days in January - Campbelltown, PA
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).

Average UV index in January
Campbelltown, PA

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

Average cloud cover in January
Campbelltown, PA

Average cloud cover in January - Campbelltown, PA
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Campbelltown, PA

Average visibility in January - Campbelltown, PA
  • Average visibility in January: 6mi

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

Campbelltown, Pennsylvania, USA

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