January weather forecast
Zionsville, PA

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Weather in January

January, the same as December, is a wintry winter month in Zionsville, Pennsylvania, with temperature in the range of an average high of 34.5°F (1.4°C) and an average low of 22.1°F (-5.5°C).

Temperature

January proves to be the coldest month, recording an average maximum temperature of 34.5°F (1.4°C) and a minimum temperature of 22.1°F (-5.5°C).

Humidity

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

Rainfall

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

Snowfall

January through May, October through December are months with snowfall. In January, it is snowing for 9.3 days. Throughout January, 4.88" (124mm) of snow is accumulated. In Zionsville, during the entire year, snow falls for 31.2 days and aggregates up to 18.98" (482mm) of snow.

Daylight

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

The average sunshine in January is 4.5h.

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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 2 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What is the coldest month?

The lowest temperatures are recorded in January, with averages reaching a high of 34.5°F (1.4°C) and a low of 22.1°F (-5.5°C).

How cold is it in January?

The high-temperature, in January, in Zionsville, records 34.5°F (1.4°C), while the low-temperature is 22.1°F (-5.5°C).

What is the average humidity in January in Zionsville?

The average relative humidity in January is 78%.

How many days does it rain in January?

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

How much does it snow in January?

In 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 Zionsville have in January?

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

When is the sunrise / 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 Zionsville have in January?

In January, the average sunshine duration is 4.5h.

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.

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes 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
Zionsville, PA

Average temperature in January - 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
Zionsville, PA

Average pressure in January - 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
Zionsville, PA

Average wind speed in January - 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
Zionsville, PA

Average humidity in January - 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
Zionsville, PA

Average rainfall in January - 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
Zionsville, PA

Average rainfall days in January - 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
Zionsville, PA

Average snowfall in January - 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
Zionsville, PA

Average snowfall days in January - 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
Zionsville, PA

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

Average sunshine days in January - 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
Zionsville, PA

Average UV index in January - 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
Zionsville, PA

Average cloud cover in January - 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
Zionsville, PA

Average visibility in January - 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).

Zionsville, Pennsylvania, USA

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