January weather forecast
Lewistown, NJ

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Weather in January

January, the same as December, is an icy winter month in Lewistown, New Jersey, with an average temperature ranging between min 25.2°F (-3.8°C) and max 37.8°F (3.2°C).

Temperature

January is the month when Lewistown experiences its coldest temperatures, averaging a high of 37.8°F (3.2°C) and a low of 25.2°F (-3.8°C).

Humidity

In Lewistown, the average relative humidity in January is 75%.

Rainfall

In January, the rain falls for 9.2 days. Throughout January, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 156.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Lewistown, in January, snow falls for 5.9 days, with typically accumulated 2.24" (57mm) of snow. In Lewistown, during the entire year, snow falls for 19.6 days and aggregates up to 10.63" (270mm) of snow.

Daylight

The average length of the day in January is 9h and 43min.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:15 pm EST.

Sunshine

In Lewistown, the average sunshine in January is 4.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 in January translates into these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January, with an average high of 37.8°F (3.2°C) and a low of 25.2°F (-3.8°C), signifies the coldest month of the year.

Is January cold?

Lewistown in January has an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 25.2°F (-3.8°C).

What is the average humidity in January?

The average relative humidity in January is 75%.

How many days does it rain in January?

In Lewistown, in January, during 9.2 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

How much does it snow in Lewistown in January?

In January, it is snowing for 5.9 days. Throughout January, 2.24" (57mm) of snow is accumulated.

What is the average length of the day in January?

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

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:20 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:15 pm EST.

How many hours of sunshine does Lewistown have in January?

In Lewistown, the average sunshine duration in January is 4.9h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat 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
Lewistown, NJ

Average temperature in January - Lewistown, NJ
  • Average high temperature in January: 37.8°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in January: 25.2°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in January
Lewistown, NJ

Average pressure in January - Lewistown, NJ
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Lewistown, NJ

Average wind speed in January - Lewistown, NJ
  • Average wind speed in January: 8.5mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in January
Lewistown, NJ

Average humidity in January - Lewistown, NJ
  • Average humidity in January: 75%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in January
Lewistown, NJ

Average rainfall in January - Lewistown, NJ
  • Average rainfall in January: 2.13"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in January
Lewistown, NJ

Average rainfall days in January - Lewistown, NJ
  • Average rainfall days in January: 9.2 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).

Average snowfall in January
Lewistown, NJ

Average snowfall in January - Lewistown, NJ
  • Average snowfall in January: 2.24"

The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Lewistown, NJ

Average snowfall days in January - Lewistown, NJ
  • Average snowfall days in January: 5.9 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Lewistown, NJ

Average daylight in January / Average sunshine in January - Lewistown, NJ
  • 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 5min

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 36min).

Average sunshine days in January
Lewistown, NJ

Average sunshine days in January - Lewistown, NJ
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in January
Lewistown, NJ

Average UV index in January - Lewistown, NJ
  • 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, November and December (UV index 2).

Average cloud cover in January
Lewistown, NJ

Average cloud cover in January - Lewistown, NJ
  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in January
Lewistown, NJ

Average visibility in January - Lewistown, NJ
  • Average visibility in January: 6mi

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

Lewistown, New Jersey, USA

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