January weather forecast
Madison, NJ

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Weather in January

January, like December, in Madison, New Jersey, is another cold winter month, with an average temperature ranging between min 22.5°F (-5.3°C) and max 35.1°F (1.7°C).

Temperature

Madison's temperature records reveal January as the coldest month, marked by average highs of 35.1°F (1.7°C) and lows of 22.5°F (-5.3°C).

Humidity

The average relative humidity in January is 77%.

Rainfall

In Madison, during January, the rain falls for 8.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Madison, during the entire year, the rain falls for 164.2 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 7.6 days. Throughout January, 2.17" (55mm) of snow is accumulated. In Madison, New Jersey, during the entire year, snow falls for 26 days and aggregates up to 11.61" (295mm) of snow.

Daylight

In January, the average length of the day is 9h and 39min.
On the first day of January in Madison, sunrise is at 7:21 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:13 pm EST.

Sunshine

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

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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In January, the UV index of 2 transforms into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To guard against the harmful effects of the Sun, minimize exposure during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

What part of the year is the coldest in Madison?

January is the month when Madison sees the average lowest temperatures, with a high of 35.1°F (1.7°C) and a low of 22.5°F (-5.3°C).

How cold is it in January?

In Madison, 35.1°F (1.7°C) is the average high-temperature and 22.5°F (-5.3°C) is the average low-temperature during January.

What is the average humidity in January?

The average relative humidity in January is 77%.

How many days does it rain in January?

In January, the rain falls for 8.8 days. Throughout January, 1.93" (49mm) of precipitation is accumulated.

How many days does it snow in January?

In Madison, in January, during 7.6 snowfall days, 2.17" (55mm) of snow is typically accumulated.

How many hours of daylight does Madison have in January?

In January, the average day length is 9h and 39min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:40 pm. On the last day of the month, in Madison, sunrise is at 7:08 am and sunset at 5:13 pm EST.

How many hours of sunshine does Madison have in January?

The average sunshine duration in January is 4.9h.

What are the months 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.

What is the UV index reading in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Madison, NJ

Average temperature in January - Madison, NJ
  • Average high temperature in January: 35.1°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in January: 22.5°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in January
Madison, NJ

Average pressure in January - Madison, 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
Madison, NJ

Average wind speed in January - Madison, NJ
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Madison, NJ

Average humidity in January - Madison, NJ
  • Average humidity in January: 77%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April and August (74%).

Average rainfall in January
Madison, NJ

Average rainfall in January - Madison, NJ
  • Average rainfall in January: 1.93"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in January
Madison, NJ

Average rainfall days in January - Madison, NJ
  • Average rainfall days in January: 8.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in January
Madison, NJ

Average snowfall in January - Madison, NJ
  • Average snowfall in January: 2.17"

The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Madison, NJ

Average snowfall days in January - Madison, NJ
  • Average snowfall days in January: 7.6 days

The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Madison, 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 18min).

  • 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
Madison, NJ

Average sunshine days in January - Madison, NJ
  • Average sunshine days in January: 16.9 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (10.5 days).

Average UV index in January
Madison, NJ

Average UV index in January - Madison, 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
Madison, NJ

Average cloud cover in January - Madison, NJ
  • Average cloud cover in January: 46

The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in January
Madison, NJ

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

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

Madison, New Jersey, USA

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