January weather forecast
Finleyville, PA

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Weather in January

January, the same as December, is an icy winter month in Finleyville, Pennsylvania, with an average temperature ranging between min 21°F (-6.1°C) and max 33.4°F (0.8°C).

Temperature

January, characterized by an average high temperature of 33.4°F (0.8°C) and a low temperature of 21°F (-6.1°C), is generally the coldest month.

Humidity

January and February, with an average relative humidity of 84%, are the most humid months.

Rainfall

In Finleyville, during January, the rain falls for 11.6 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Finleyville, during the entire year, the rain falls for 187.9 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 17.1 days and accumulates 5.83" (148mm) of snow.

Daylight

In Finleyville, the average length of the day in January is 9h and 41min.
On the first day of January, sunrise is at 7:42 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:36 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Finleyville's coldest month, January, registers temperatures that range from a high of 33.4°F (0.8°C) to a low of 21°F (-6.1°C).

How cold is it in January?

An average high-temperature, in January, in Finleyville, is 33.4°F (0.8°C) and the average low-temperature is 21°F (-6.1°C).

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 84%.

What is the average humidity in January?

The average relative humidity in January is 84%.

How many days does it rain in January?

In January, the rain falls for 11.6 days. Throughout January, 2.56" (65mm) of precipitation is accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 17.1 days and typically aggregates up to 5.83" (148mm) of snow.

How much does it snow in January?

In Finleyville, in January, during 17.1 snowfall days, 5.83" (148mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 41min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:42 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:36 pm EST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3h.

How high is the UV index in January?

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

Average temperature in January - Finleyville, PA
  • Average high temperature in January: 33.4°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 (33.4°F).

  • Average low temperature in January: 21°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in January
Finleyville, PA

Average pressure in January - Finleyville, PA
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Finleyville, PA

Average wind speed in January - Finleyville, PA
  • Average wind speed in January: 7.8mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in January
Finleyville, PA

Average humidity in January - Finleyville, PA
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in January
Finleyville, PA

Average rainfall in January - Finleyville, PA
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in January
Finleyville, PA

Average rainfall days in January - Finleyville, PA
  • Average rainfall days in January: 11.6 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (11.3 days).

Average snowfall in January
Finleyville, PA

Average snowfall in January - Finleyville, PA
  • Average snowfall in January: 5.83"

The month with the highest snowfall is January (5.83").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Finleyville, PA

Average snowfall days in January - Finleyville, PA
  • Average snowfall days in January: 17.1 days

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Finleyville, PA
  • 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: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in January
Finleyville, PA

Average sunshine days in January - Finleyville, PA
  • Average sunshine days in January: 7.7 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.7 days).

Average UV index in January
Finleyville, PA

Average UV index in January - Finleyville, PA
  • Average UV index in January: 2

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Finleyville, PA

Average cloud cover in January - Finleyville, PA
  • Average cloud cover in January: 68

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Finleyville, PA

Average visibility in January - Finleyville, PA
  • Average visibility in January: 4mi

The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January and February (4mi).

Finleyville, Pennsylvania, USA

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