January weather forecast
Starlight, PA

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Weather in January

January, the same as December, in Starlight, Pennsylvania, is another subzero cold winter month, with an average temperature varying between 16°F (-8.9°C) and 27.9°F (-2.3°C).

Temperature

Starlight's coldest weather arrives in January, when temperatures average a high of 27.9°F (-2.3°C) and a low of 16°F (-8.9°C).

Humidity

In Starlight, the average relative humidity in January is 85%.

Rainfall

In January, in Starlight, Pennsylvania, the rain falls for 4.4 days. Throughout January, 0.63" (16mm) of precipitation is accumulated. In Starlight, during the entire year, the rain falls for 104.8 days and collects up to 9.13" (232mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 10.7 days and accumulates 1.61" (41mm) of snow.

Daylight

In January, the average length of the day is 9h and 32min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:40 pm. On the last day of January, in Starlight, sunrise is at 7:14 am and sunset at 5:14 pm EST.

Sunshine

In Starlight, the average sunshine in January is 2.8h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 1 in January leads to these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What part of the year is the coldest in Starlight?

The coldest time of the year in Starlight, Pennsylvania, is January, with temperatures averaging a high of 27.9°F (-2.3°C) and a low of 16°F (-8.9°C).

How cold is it in Starlight in January?

In January, in Starlight, the average high-temperature is 27.9°F (-2.3°C), and the average low-temperature is 16°F (-8.9°C).

What is the average humidity in January in Starlight?

In Starlight, the average relative humidity in January is 85%.

How much does it rain in Starlight in January?

In January, in Starlight, Pennsylvania, the rain falls for 4.4 days. Throughout January, 0.63" (16mm) of precipitation is accumulated.

When does it snow the most in Starlight?

The month with the most snowfall in Starlight is January, when snow falls for 10.7 days and typically aggregates up to 1.61" (41mm) of snow.

How much does it snow in Starlight in January?

In Starlight, in January, during 10.7 snowfall days, 1.61" (41mm) of snow is typically accumulated.

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

In January, the average day length in Starlight is 9h and 32min.

When are sunrise and sunset in January in Starlight?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:40 pm. On the last day of the month, in Starlight, Pennsylvania, sunrise is at 7:14 am and sunset at 5:14 pm EST.

How many hours of sunshine does Starlight have in January?

The average sunshine duration in January in Starlight is 2.8h.

When is the lowest UV index in Starlight?

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

What is the UV index reading in January in Starlight?

In Starlight, Pennsylvania, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health risk 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
Starlight, PA

Average temperature in January - Starlight, PA
  • Average high temperature in January: 27.9°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in January: 16°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).

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Average pressure in January
Starlight, PA

Average pressure in January - Starlight, PA
  • Average pressure in January: 30.06"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).

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Average wind speed in January
Starlight, PA

Average wind speed in January - Starlight, PA
  • Average wind speed in January: 8.8mph

The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in January
Starlight, PA

Average humidity in January - Starlight, PA
  • Average humidity in January: 85%

The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are June and July (79%).

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Average rainfall in January
Starlight, PA

Average rainfall in January - Starlight, PA
  • Average rainfall in January: 0.63"

The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is September (0.55").

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Average rainfall days in January
Starlight, PA

Average rainfall days in January - Starlight, PA
  • Average rainfall days in January: 4.4 days

The months with the highest number of rainy days are May and July (12.3 days).
The month with the least rainy days is January (4.4 days).

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Average snowfall in January
Starlight, PA

Average snowfall in January - Starlight, PA
  • Average snowfall in January: 1.61"

The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Starlight, PA

Average snowfall days in January - Starlight, PA
  • Average snowfall days in January: 10.7 days

The month with the highest number of snowfall days is February (10.8 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
Starlight, PA

Average daylight in January / Average sunshine in January - Starlight, PA
  • Average daylight in January: 9h and 3min

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: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are February and December (Average sunshine: 2h and 42min).

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Average sunshine days in January
Starlight, PA

Average sunshine days in January - Starlight, PA
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is April (14.8 days).

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Average UV index in January
Starlight, PA

Average UV index in January - Starlight, 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, November and December (UV index 1).

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Average cloud cover in January
Starlight, PA

Average cloud cover in January - Starlight, PA
  • Average cloud cover in January: 73

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 41).

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Average visibility in January
Starlight, PA

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

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

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Starlight, Pennsylvania, USA

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