January weather forecast
Siousca, PA

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Weather in January

January, like December, in Siousca, Pennsylvania, is another cold winter month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 35.6°F (2°C).

Temperature

January, recording an average high temperature of 35.6°F (2°C) and a low temperature of 23.4°F (-4.8°C), is Siousca's coldest month.

Humidity

In Siousca, Pennsylvania, the average relative humidity in January is 77%.

Rainfall

In Siousca, during January, the rain falls for 6.4 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Siousca, during the entire year, the rain falls for 138.3 days and collects up to 19.76" (502mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Siousca, during January, snow falls for 5.8 days and regularly aggregates up to 1.65" (42mm) of snow. Throughout the year, there are 19.6 snowfall days, and 7.64" (194mm) of snow is accumulated.

Daylight

The average length of the day in January in Siousca is 9h and 43min.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:48 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:20 pm EST.

Sunshine

The average sunshine in January is 4.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Siousca. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 during January leads to these advisories:
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. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the coldest time of year?

Siousca's coldest month, January, generally records average temperatures ranging from a high of 35.6°F (2°C) to a low of 23.4°F (-4.8°C).

How cold is January?

In January, in Siousca, the average high-temperature is 35.6°F (2°C), and the average low-temperature is 23.4°F (-4.8°C).

What is the average humidity in January?

The average relative humidity in January is 77%.

How many days does it rain in January?

In January, the rain falls for 6.4 days. Throughout January, 1.26" (32mm) of precipitation is accumulated.

How many days does it snow in January?

In Siousca, during January, snow falls for 5.8 days and regularly aggregates up to 1.65" (42mm) of snow.

How many hours of daylight does Siousca have in January?

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

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:25 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:20 pm EST.

How long on average sun shines in January?

The average sunshine duration in January is 4.6h.

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.

What is the UV index intensity 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 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
Siousca, PA

Average temperature in January - Siousca, PA
  • Average high temperature in January: 35.6°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in January: 23.4°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in January
Siousca, PA

Average pressure in January - Siousca, PA
  • Average pressure in January: 30.09"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
Siousca, PA

Average wind speed in January - Siousca, PA
  • Average wind speed in January: 8.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in January
Siousca, PA

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

The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in January
Siousca, PA

Average rainfall in January - Siousca, PA
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in January
Siousca, PA

Average rainfall days in January - Siousca, PA
  • Average rainfall days in January: 6.4 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in January
Siousca, PA

Average snowfall in January - Siousca, PA
  • Average snowfall in January: 1.65"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Siousca, PA

Average snowfall days in January - Siousca, 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 June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Siousca, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in January
Siousca, PA

Average sunshine days in January - Siousca, PA
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).

Average UV index in January
Siousca, PA

Average UV index in January - Siousca, 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
Siousca, PA

Average cloud cover in January - Siousca, PA
  • Average cloud cover in January: 48

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in January
Siousca, PA

Average visibility in January - Siousca, 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).

Siousca, Pennsylvania, USA

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