January weather forecast
Palmyra, NJ

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Weather in January

January, the same as December, is another cold winter month in Palmyra, New Jersey, with an average temperature fluctuating between 37.4°F (3°C) and 25.2°F (-3.8°C).

Temperature

Palmyra reaches its lowest average temperatures in January, measuring 37.4°F (3°C) at the peak and 25.2°F (-3.8°C) at the lowest.

Humidity

In Palmyra, the average relative humidity in January is 74%.

Rainfall

January is the month with the least rainfall. Rain falls for 7.9 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Palmyra, during January, snow falls for 5.2 days and regularly aggregates up to 1.61" (41mm) of snow. Throughout the year, there are 16.8 snowfall days, and 8.5" (216mm) of snow is accumulated.

Daylight

The average length of the day in January in Palmyra is 9h and 43min.
On the first day of January, sunrise is at 7:21 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:17 pm EST.

Sunshine

In Palmyra, the average sunshine in January is 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 minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Palmyra, the average lowest temperatures are observed in January, with a high of 37.4°F (3°C) and a low of 25.2°F (-3.8°C).

How cold is it in January?

The high-temperature, in January, in Palmyra, records 37.4°F (3°C), while the low-temperature is 25.2°F (-3.8°C).

What is the average humidity in January?

In January, the average relative humidity is 74%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 7.9 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in January?

In Palmyra, New Jersey, in January, during 7.9 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Palmyra, in January, snow falls for 5.2 days, with typically accumulated 1.61" (41mm) of snow.

What is the average length of the day in January?

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

When are sunrise and sunset in January?

On the first day of January in Palmyra, sunrise is at 7:21 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:17 pm EST.

How long on average sun shines in January?

The average sunshine duration in January is 5h.

What is the month with 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 Palmyra.

How high is the UV index in January?

In January, the average daily maximum UV index in Palmyra is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
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
Palmyra, NJ

Average temperature in January - Palmyra, NJ
  • Average high temperature in January: 37.4°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in January: 25.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in January
Palmyra, NJ

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Palmyra, NJ

Average wind speed in January - Palmyra, NJ
  • Average wind speed in January: 8.2mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in January
Palmyra, NJ

Average humidity in January - Palmyra, NJ
  • Average humidity in January: 74%

The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in January
Palmyra, NJ

Average rainfall in January - Palmyra, NJ
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in January
Palmyra, NJ

Average rainfall days in January - Palmyra, NJ
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in January
Palmyra, NJ

Average snowfall in January - Palmyra, NJ
  • Average snowfall in January: 1.61"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Palmyra, NJ

Average snowfall days in January - Palmyra, NJ
  • Average snowfall days in January: 5.2 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Palmyra, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in January
Palmyra, NJ

Average sunshine days in January - Palmyra, NJ
  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in January
Palmyra, NJ

Average UV index in January - Palmyra, 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, March, November and December (UV index 2).

Average cloud cover in January
Palmyra, NJ

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

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in January
Palmyra, NJ

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

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

Palmyra, New Jersey, USA

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