January weather forecast
Old Zionsville, PA

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Weather in January

January, like December, in Old Zionsville, Pennsylvania, is a wintry winter month, with an average temperature ranging between min 22.1°F (-5.5°C) and max 34.5°F (1.4°C).

Temperature

Old Zionsville's January weather reaches an average high of 34.5°F (1.4°C) and an average low of 22.1°F (-5.5°C), making it the coldest month.

Humidity

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

Rainfall

In January, the rain falls for 8.1 days. Throughout January, 2.56" (65mm) of precipitation is accumulated. Throughout the year, in Old Zionsville, there are 156.9 rainfall days, and 33.15" (842mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Old Zionsville are January through May, October through December. In January, in Old Zionsville, it is snowing for 9.3 days. Throughout January, 4.88" (124mm) of snow is accumulated. Throughout the year, there are 31.2 snowfall days, and 18.98" (482mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 40min.
On the first day of January, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:18 pm EST.

Sunshine

In January, the average sunshine in Old Zionsville 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 in Old Zionsville. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the coldest time of year in Old Zionsville?

Old Zionsville witnesses the coldest weather in January, with temperatures averaging a high of 34.5°F (1.4°C) and a low of 22.1°F (-5.5°C).

How cold is January in Old Zionsville?

In Old Zionsville, 34.5°F (1.4°C) is the average high-temperature and 22.1°F (-5.5°C) is the average low-temperature during January.

What is the average humidity in January in Old Zionsville?

The average relative humidity in January is 78%.

How much does it rain in Old Zionsville in January?

In Old Zionsville, Pennsylvania, in January, it is raining for 8.1 days, with typically 2.56" (65mm) of accumulated precipitation.

How many days does it snow in January in Old Zionsville?

In Old Zionsville, in January, during 9.3 snowfall days, 4.88" (124mm) of snow is typically accumulated.

What is the average length of the day in January in Old Zionsville?

In Old Zionsville, the average day length in January is 9h and 40min.

When are sunrise and sunset in January in Old Zionsville?

In January, on the first day of the month, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of the month, in Old Zionsville, sunrise is at 7:12 am and sunset at 5:18 pm EST.

How long on average sun shines in January in Old Zionsville?

The average sunshine duration in January in Old Zionsville is 4.5h.

When is the lowest UV index in Old Zionsville?

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 intensity in January in Old Zionsville?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Old Zionsville, PA

Average temperature in January - Old Zionsville, PA
  • Average high temperature in January: 34.5°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in January: 22.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in January
Old Zionsville, PA

Average pressure in January - Old Zionsville, 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).

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Average wind speed in January
Old Zionsville, PA

Average wind speed in January - Old Zionsville, 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 (4.9mph).

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Average humidity in January
Old Zionsville, PA

Average humidity in January - Old Zionsville, PA
  • Average humidity in January: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in January
Old Zionsville, PA

Average rainfall in January - Old Zionsville, PA
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in January
Old Zionsville, PA

Average rainfall days in January - Old Zionsville, PA
  • Average rainfall days in January: 8.1 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in January
Old Zionsville, PA

Average snowfall in January - Old Zionsville, PA
  • Average snowfall in January: 4.88"

The month with the highest snowfall is March (5.16").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Old Zionsville, PA

Average snowfall days in January - Old Zionsville, PA
  • Average snowfall days in January: 9.3 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Old Zionsville, PA

Average daylight in January / Average sunshine in January - Old Zionsville, 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 18min).

  • 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 18min).

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Average sunshine days in January
Old Zionsville, PA

Average sunshine days in January - Old Zionsville, PA
  • Average sunshine days in January: 16.1 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in January
Old Zionsville, PA

Average UV index in January - Old Zionsville, 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).

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Average cloud cover in January
Old Zionsville, PA

Average cloud cover in January - Old Zionsville, PA
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in January
Old Zionsville, PA

Average visibility in January - Old Zionsville, PA
  • Average visibility in January: 5mi

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

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Old Zionsville, Pennsylvania, USA

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