January weather forecast
Halfway House, PA

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Weather in January

January, the same as December, is another cold winter month in Halfway House, Pennsylvania, with an average temperature fluctuating between 35.4°F (1.9°C) and 23.2°F (-4.9°C).

Temperature

In Halfway House, the lowest temperatures are generally noted in January, averaging a high of 35.4°F (1.9°C) and a low of 23.2°F (-4.9°C).

Humidity

In Halfway House, the average relative humidity in January is 77%.

Rainfall

In January, the rain falls for 7.3 days. Throughout January, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 146.5 rainfall days, and 27.87" (708mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Halfway House, Pennsylvania, in January, snow falls for 5.8 days, with typically accumulated 2.64" (67mm) of snow. Throughout the year, there are 19.1 snowfall days, and 11.54" (293mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 41min.
On the first day of January, sunrise is at 7:25 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:19 pm EST.

Sunshine

In January, the average sunshine in Halfway House 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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 during January translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Halfway House, January records the average lowest temperatures, peaking at 35.4°F (1.9°C) and reaching a low of 23.2°F (-4.9°C).

How cold is it in January?

The high-temperature, in January, in Halfway House, is 35.4°F (1.9°C), while the low-temperature averages to 23.2°F (-4.9°C).

What is the average humidity in January?

The average relative humidity in January is 77%.

How much does it rain in January?

In Halfway House, during January, the rain falls for 7.3 days and regularly aggregates up to 1.85" (47mm) of precipitation.

How much does it snow in January?

In Halfway House, during January, snow falls for 5.8 days and regularly aggregates up to 2.64" (67mm) of snow.

What is the average length of the day in January?

In Halfway House, the average day length in January is 9h and 41min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:25 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:19 pm EST.

How long on average sun shines in January?

The average sunshine duration in January is 4.8h.

When is 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?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Halfway House, PA

Average temperature in January - Halfway House, PA
  • Average high temperature in January: 35.4°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in January: 23.2°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in January
Halfway House, PA

Average pressure in January - Halfway House, 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
Halfway House, PA

Average wind speed in January - Halfway House, PA
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Halfway House, PA

Average humidity in January - Halfway House, PA
  • Average humidity in January: 77%

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

Average rainfall in January
Halfway House, PA

Average rainfall in January - Halfway House, PA
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in January
Halfway House, PA

Average rainfall days in January - Halfway House, PA
  • Average rainfall days in January: 7.3 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in January
Halfway House, PA

Average snowfall in January - Halfway House, PA
  • Average snowfall in January: 2.64"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Halfway House, PA

Average snowfall days in January - Halfway House, PA
  • Average snowfall days in January: 5.8 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Halfway House, PA

Average daylight in January / Average sunshine in January - Halfway House, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in January
Halfway House, PA

Average sunshine days in January - Halfway House, PA
  • Average sunshine days in January: 18.7 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in January
Halfway House, PA

Average UV index in January - Halfway House, 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
Halfway House, PA

Average cloud cover in January - Halfway House, 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
Halfway House, PA

Average visibility in January - Halfway House, 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).

Halfway House, Pennsylvania, USA

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