January weather forecast
Siloam, NJ

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Weather in January

January, the same as December, is a wintry winter month in Siloam, New Jersey, with temperature in the range of an average low of 25.3°F (-3.7°C) and an average high of 37.4°F (3°C).

Temperature

Siloam's January weather, marked by an average high temperature of 37.4°F (3°C) and an average low temperature of 25.3°F (-3.7°C), is the coldest in the year.

Humidity

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

Rainfall

In Siloam, New Jersey, in January, during 8.4 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Siloam, during the entire year, the rain falls for 154.3 days and collects up to 29.25" (743mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Siloam, during January, snow falls for 5.3 days and regularly aggregates up to 1.81" (46mm) of snow. In Siloam, New Jersey, during the entire year, snow falls for 18.9 days and aggregates up to 8.39" (213mm) of snow.

Daylight

In Siloam, the average length of the day in January is 9h and 42min.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:41 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:14 pm EST.

Sunshine

In Siloam, the average sunshine in January is 5.2h.

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 unsafe exposure to UV radiation for ordinary individuals.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Siloam?

January, noted for its average high-temperature of 37.4°F (3°C) and an average low-temperature of 25.3°F (-3.7°C), is considered the coldest month in Siloam, New Jersey.

How cold is January in Siloam?

In January, the average high-temperature and low-temperature in Siloam, New Jersey, are 37.4°F (3°C) and 25.3°F (-3.7°C) respectively.

What is the average humidity in January in Siloam?

The average relative humidity in January in Siloam is 75%.

How many days does it rain in January in Siloam?

In Siloam, New Jersey, in January, during 8.4 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

How many days does it snow in January in Siloam?

In January, in Siloam, it is snowing for 5.3 days. Throughout January, 1.81" (46mm) of snow is accumulated.

What is the average length of the day in January in Siloam?

The average day length in January in Siloam, New Jersey, is 9h and 42min.

When are sunrise and sunset in January in Siloam?

On the first day of January in Siloam, New Jersey, sunrise is at 7:19 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:14 pm EST.

How long on average sun shines in January in Siloam?

In Siloam, New Jersey, the average sunshine duration in January is 5.2h.

When is the lowest UV index in Siloam?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Siloam.

How high is the UV index in January in Siloam?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Siloam, NJ

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

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in January: 25.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in January
Siloam, NJ

Average pressure in January - Siloam, NJ
  • Average pressure in January: 30.07"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
Siloam, NJ

Average wind speed in January - Siloam, NJ
  • Average wind speed in January: 9.2mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in January
Siloam, NJ

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

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

Average rainfall in January
Siloam, NJ

Average rainfall in January - Siloam, NJ
  • Average rainfall in January: 1.73"

The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in January
Siloam, NJ

Average rainfall days in January - Siloam, NJ
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in January
Siloam, NJ

Average snowfall in January - Siloam, NJ
  • Average snowfall in January: 1.81"

The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Siloam, NJ

Average snowfall days in January - Siloam, NJ
  • Average snowfall days in January: 5.3 days

The month with the highest number of snowfall days is January (5.3 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
Siloam, NJ

Average daylight in January / Average sunshine in January - Siloam, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Siloam, NJ

Average sunshine days in January - Siloam, NJ
  • Average sunshine days in January: 18.7 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in January
Siloam, NJ

Average UV index in January - Siloam, NJ
  • Average UV index in January: 2

The months with the highest UV index are 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
Siloam, NJ

Average cloud cover in January - Siloam, NJ
  • Average cloud cover in January: 43

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in January
Siloam, NJ

Average visibility in January - Siloam, 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).

Siloam, New Jersey, USA

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