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 varying between 34.5°F (1.4°C) and 22.1°F (-5.5°C).

Temperature

With an average high-temperature of 34.5°F (1.4°C) and an average low-temperature of 22.1°F (-5.5°C), January is the coldest month.

Humidity

The average relative humidity in January is 78%.

Rainfall

In Old Zionsville, in January, during 8.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Old Zionsville, during the entire year, the rain falls for 156.9 days and collects up to 33.15" (842mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Old Zionsville, Pennsylvania, in January, snow falls for 9.3 days, with typically accumulated 4.88" (124mm) of snow. In Old Zionsville, during the entire year, snow falls for 31.2 days and aggregates up to 18.98" (482mm) of snow.

Daylight

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

Sunshine

In Old Zionsville, the average sunshine in January 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. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

With average temperatures fluctuating between a high of 34.5°F (1.4°C) and a low of 22.1°F (-5.5°C), January stands out as the coldest month.

How cold is January?

In January, the average high-temperature and low-temperature are 34.5°F (1.4°C) and 22.1°F (-5.5°C) respectively.

What is the average humidity in January in Old Zionsville?

In January, the average relative humidity is 78%.

How much does it rain in January?

In Old Zionsville, Pennsylvania, in January, during 8.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Old Zionsville, during January, snow falls for 9.3 days and regularly aggregates up to 4.88" (124mm) of snow.

How many hours of daylight does Old Zionsville have in January?

The average day length in January is 9h and 40min.

When are sunrise and sunset in January?

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, sunrise is at 7:12 am and sunset at 5:18 pm EST.

How many hours of sunshine does Old Zionsville have in January?

In January, the average sunshine duration is 4.5h.

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 in Old Zionsville.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Old Zionsville, Pennsylvania, USA

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