January weather forecast
Jerkwater, PA

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Weather in January

January, the same as December, is another cold winter month in Jerkwater, Pennsylvania, with an average temperature ranging between min 20.1°F (-6.6°C) and max 32.5°F (0.3°C).

Temperature

Jerkwater experiences its lowest temperatures in January, with an average peak of 32.5°F (0.3°C) and a low of 20.1°F (-6.6°C).

Humidity

In Jerkwater, the average relative humidity in January is 80%.

Rainfall

In Jerkwater, during January, the rain falls for 7.5 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Jerkwater, during the entire year, the rain falls for 146.6 days and collects up to 19.84" (504mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Jerkwater, Pennsylvania, during January, snow falls for 10.9 days and regularly aggregates up to 3.7" (94mm) of snow. In Jerkwater, during the entire year, snow falls for 37.4 days and aggregates up to 14.61" (371mm) of snow.

Daylight

In January, the average length of the day is 9h and 42min.
On the first day of January, sunrise is at 7:35 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:30 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 4.2h of sunshine.

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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 during January leads to these advisories:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Jerkwater?

With average temperatures fluctuating between a high of 32.5°F (0.3°C) and a low of 20.1°F (-6.6°C), January stands out as the coldest month.

How cold is January?

The high-temperature, in January, in Jerkwater, records 32.5°F (0.3°C), while the low-temperature is 20.1°F (-6.6°C).

What is the average humidity in January?

In Jerkwater, the average relative humidity in January is 80%.

How many days does it rain in January?

In Jerkwater, in January, it is raining for 7.5 days, with typically 1.22" (31mm) of accumulated precipitation.

How much does it snow in January?

In Jerkwater, in January, snow falls for 10.9 days, with typically accumulated 3.7" (94mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 42min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:35 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:30 pm EST.

What is the month with the least sunshine?

With an average of 4.2h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

In Jerkwater, the average sunshine duration in January is 4.2h.

What is the month with 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.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk 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
Jerkwater, PA

Average temperature in January - Jerkwater, PA
  • Average high temperature in January: 32.5°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 (32.5°F).

  • Average low temperature in January: 20.1°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in January
Jerkwater, PA

Average pressure in January - Jerkwater, PA
  • Average pressure in January: 30.11"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
Jerkwater, PA

Average wind speed in January - Jerkwater, PA
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in January
Jerkwater, PA

Average humidity in January - Jerkwater, PA
  • Average humidity in January: 80%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in January
Jerkwater, PA

Average rainfall in January - Jerkwater, PA
  • Average rainfall in January: 1.22"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is November (1.18").

Average rainfall days in January
Jerkwater, PA

Average rainfall days in January - Jerkwater, PA
  • Average rainfall days in January: 7.5 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in January
Jerkwater, PA

Average snowfall in January - Jerkwater, PA
  • Average snowfall in January: 3.7"

The month with the highest snowfall is February (3.74").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Jerkwater, PA

Average snowfall days in January - Jerkwater, PA
  • Average snowfall days in January: 10.9 days

The month with the highest number of snowfall days is January (10.9 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
Jerkwater, PA

Average daylight in January / Average sunshine in January - Jerkwater, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in January
Jerkwater, PA

Average sunshine days in January - Jerkwater, PA
  • Average sunshine days in January: 15.2 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).

Average UV index in January
Jerkwater, PA

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

The month with the highest UV index is June (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
Jerkwater, PA

Average cloud cover in January - Jerkwater, PA
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in January
Jerkwater, PA

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

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

Jerkwater, Pennsylvania, USA

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