January weather forecast
South Trenton, NY

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Weather in January

January, the same as December, in South Trenton, New York, is a freezing cold winter month, with an average temperature ranging between max 26.1°F (-3.3°C) and min 15.1°F (-9.4°C).

Temperature

In South Trenton, the month of January is known for its lowest average temperatures, reaching a high of 26.1°F (-3.3°C) and a low of 15.1°F (-9.4°C).

Humidity

In January, the average relative humidity is 88%.

Rainfall

In South Trenton, during January, the rain falls for 9.6 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in South Trenton, there are 178.5 rainfall days, and 38.54" (979mm) of precipitation is accumulated.

Snowfall

Months with snowfall in South Trenton, New York, are January through May, October through December. The month with the most snowfall in South Trenton, New York, is January, when snow falls for 21.8 days and typically aggregates up to 10.91" (277mm) of snow.

Daylight

The average length of the day in January in South Trenton, New York, is 9h and 25min.
On the first day of January, sunrise is at 7:32 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:10 pm EST.

Sunshine

In January, the average sunshine in South Trenton is 2.6h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 1 in January suggests the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What time of the year is the coldest in South Trenton?

South Trenton's January weather, with an average high temperature of 26.1°F (-3.3°C) and an average low temperature of 15.1°F (-9.4°C), tends to be the coldest of the year.

How cold is it in South Trenton in January?

The average high-temperature and low-temperature in South Trenton during January are 26.1°F (-3.3°C) and 15.1°F (-9.4°C) respectively.

What is the average humidity in January in South Trenton?

In January, the average relative humidity in South Trenton, New York, is 88%.

How much does it rain in South Trenton in January?

In South Trenton, during January, the rain falls for 9.6 days and regularly aggregates up to 2.87" (73mm) of precipitation.

What is the snowiest month in South Trenton?

January is the month with the most snowfall in South Trenton, New York. Snow falls for 21.8 days and accumulates 10.91" (277mm) of snow.

How many days does it snow in January in South Trenton?

In January, it is snowing for 21.8 days. Throughout January, 10.91" (277mm) of snow is accumulated.

What is the average length of the day in January in South Trenton?

In January, the average day length in South Trenton is 9h and 25min.

When are sunrise and sunset in January in South Trenton?

In January, on the first day of the month, sunrise is at 7:32 am and sunset at 4:35 pm. On the last day of the month, in South Trenton, New York, sunrise is at 7:17 am and sunset at 5:10 pm EST.

How many hours of sunshine does South Trenton have in January?

The average sunshine duration in January in South Trenton, New York, is 2.6h.

When is the lowest UV index in South Trenton?

The months with the lowest UV index in South Trenton, New York, are January, February and December, with an average maximum UV index of 1.

What is the UV index reading in January in South Trenton?

In South Trenton, New York, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
South Trenton, NY

Average temperature in January - South Trenton, NY
  • Average high temperature in January: 26.1°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in January: 15.1°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in January
South Trenton, NY

Average pressure in January - South Trenton, NY
  • Average pressure in January: 30.05"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
South Trenton, NY

Average wind speed in January - South Trenton, NY
  • Average wind speed in January: 9.6mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in January
South Trenton, NY

Average humidity in January - South Trenton, NY
  • Average humidity in January: 88%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (78%).

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Average rainfall in January
South Trenton, NY

Average rainfall in January - South Trenton, NY
  • Average rainfall in January: 2.87"

The wettest month (with the highest rainfall) is October (3.78").
The driest month (with the least rainfall) is September (2.52").

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Average rainfall days in January
South Trenton, NY

Average rainfall days in January - South Trenton, NY
  • Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall in January
South Trenton, NY

Average snowfall in January - South Trenton, NY
  • Average snowfall in January: 10.91"

The month with the highest snowfall is January (10.91").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
South Trenton, NY

Average snowfall days in January - South Trenton, NY
  • Average snowfall days in January: 21.8 days

The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
South Trenton, NY

Average daylight in January / Average sunshine in January - South Trenton, NY
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 2h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).

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Average sunshine days in January
South Trenton, NY

Average sunshine days in January - South Trenton, NY
  • Average sunshine days in January: 5 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (4.6 days).

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Average UV index in January
South Trenton, NY

Average UV index in January - South Trenton, NY
  • Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in January
South Trenton, NY

Average cloud cover in January - South Trenton, NY
  • Average cloud cover in January: 75

The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in January
South Trenton, NY

Average visibility in January - South Trenton, NY
  • Average visibility in January: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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South Trenton, New York, USA

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