January weather forecast
Troy, PA

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Weather in January

January, the same as December, in Troy, Pennsylvania, is another subzero cold winter month, with an average temperature ranging between min 17.4°F (-8.1°C) and max 28.8°F (-1.8°C).

Temperature

Troy experiences its lowest temperatures in January, with an average peak of 28.8°F (-1.8°C) and a low of 17.4°F (-8.1°C).

Humidity

The average relative humidity in January is 83%.

Rainfall

January and November are months with the least rain when the rain falls for 8.7 days and typically aggregates up to 1.77" (45mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Troy, during January, snow falls for 18.3 days and regularly aggregates up to 6.06" (154mm) of snow. In Troy, during the entire year, snow falls for 74.9 days and aggregates up to 30.08" (764mm) of snow.

Daylight

In Troy, the average length of the day in January is 9h and 34min.
On the first day of the month, sunrise is at 7:34 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:20 am and sunset at 5:20 pm EST.

Sunshine

In January, the average sunshine is 3.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Troy's January weather, with an average high temperature of 28.8°F (-1.8°C) and an average low temperature of 17.4°F (-8.1°C), tends to be the coldest of the year.

How cold is January?

In January, in Troy, the average high-temperature is 28.8°F (-1.8°C), and the average low-temperature is 17.4°F (-8.1°C).

What is the average humidity in January?

In January, the average relative humidity is 83%.

What is the driest month?

The months with the least rainfall are January and November Rain falls for 8.7 days and accumulates 1.77" (45mm) of rain.

How much does it rain in January?

In Troy, during January, the rain falls for 8.7 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How much does it snow in January?

In Troy, in January, during 18.3 snowfall days, 6.06" (154mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 34min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:34 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:20 pm EST.

How long on average sun shines in January?

In Troy, the average sunshine duration in January is 3.3h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

How high is the UV index in January?

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Troy, PA

Average temperature in January - Troy, PA
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 17.4°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in January
Troy, PA

Average pressure in January - Troy, PA
  • 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 (29.94"Hg).

Average wind speed in January
Troy, PA

Average wind speed in January - Troy, PA
  • Average wind speed in January: 8.6mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Troy, PA

Average humidity in January - Troy, PA
  • Average humidity in January: 83%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).

Average rainfall in January
Troy, PA

Average rainfall in January - Troy, PA
  • Average rainfall in January: 1.77"

The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").

Average rainfall days in January
Troy, PA

Average rainfall days in January - Troy, PA
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in January
Troy, PA

Average snowfall in January - Troy, PA
  • Average snowfall in January: 6.06"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Troy, PA

Average snowfall days in January - Troy, PA
  • Average snowfall days in January: 18.3 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Troy, PA

Average daylight in January / Average sunshine in January - Troy, PA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in January
Troy, PA

Average sunshine days in January - Troy, PA
  • Average sunshine days in January: 9.6 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).

Average UV index in January
Troy, PA

Average UV index in January - Troy, PA
  • Average UV index in January: 1

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

Average cloud cover in January
Troy, PA

Average cloud cover in January - Troy, PA
  • Average cloud cover in January: 67

The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in January
Troy, PA

Average visibility in January - Troy, PA
  • Average visibility in January: 5mi

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

Troy, Pennsylvania, USA

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