January weather forecast
Slatefield, PA

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Weather in January

January, the same as December, is an icy winter month in Slatefield, Pennsylvania, with temperature in the range of an average low of 20.3°F (-6.5°C) and an average high of 32.5°F (0.3°C).

Temperature

Slatefield's January weather reaches an average high of 32.5°F (0.3°C) and an average low of 20.3°F (-6.5°C), making it the coldest month.

Humidity

In January, the average relative humidity is 80%.

Rainfall

In January, in Slatefield, the rain falls for 7.6 days. Throughout January, 2.17" (55mm) of precipitation is accumulated. In Slatefield, during the entire year, the rain falls for 155.1 days and collects up to 29.45" (748mm) of precipitation.

Snowfall

Months with snowfall in Slatefield are January through May, October through December. The months with the most snowfall are January and March, with an average 4.41" (112mm) of accumulated snow.

Daylight

The average length of the day in January is 9h and 38min.
On the first day of January, sunrise is at 7:26 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:17 pm EST.

Sunshine

In January, the average sunshine in Slatefield is 4.5h.

UV index

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Slatefield?

Slatefield, Pennsylvania, experiences its lowest temperatures in January, with an average peak of 32.5°F (0.3°C) and a low of 20.3°F (-6.5°C).

How cold is January in Slatefield?

During January, Slatefield experiences an average high-temperature of 32.5°F (0.3°C) and a low-temperature of 20.3°F (-6.5°C).

What is the average humidity in January in Slatefield?

In January, the average relative humidity in Slatefield is 80%.

How much does it rain in Slatefield in January?

In Slatefield, Pennsylvania, in January, during 7.6 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When does it snow the most in Slatefield?

The months with the most snowfall in Slatefield are January and March, with an average 4.41" (112mm) of accumulated snow.

How much does it snow in Slatefield in January?

In Slatefield, during January, snow falls for 9.3 days and regularly aggregates up to 4.41" (112mm) of snow.

How many hours of daylight does Slatefield have in January?

In January, the average day length in Slatefield is 9h and 38min.

What time are sunrise and sunset in January in Slatefield?

On the first day of January, sunrise is at 7:26 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:17 pm EST.

How long on average sun shines in January in Slatefield?

In January, the average sunshine duration is 4.5h.

What is the UV index reading in January in Slatefield?

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

Average temperature in January - Slatefield, PA
  • Average high temperature in January: 32.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in January: 20.3°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in January
Slatefield, PA

Average pressure in January - Slatefield, 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
Slatefield, PA

Average wind speed in January - Slatefield, PA
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Slatefield, PA

Average humidity in January - Slatefield, PA
  • Average humidity in January: 80%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).

Average rainfall in January
Slatefield, PA

Average rainfall in January - Slatefield, PA
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in January
Slatefield, PA

Average rainfall days in January - Slatefield, PA
  • Average rainfall days in January: 7.6 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in January
Slatefield, PA

Average snowfall in January - Slatefield, PA
  • Average snowfall in January: 4.41"

The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Slatefield, PA

Average snowfall days in January - Slatefield, PA
  • Average snowfall days in January: 9.3 days

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 3min

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 18min).

Average sunshine days in January
Slatefield, PA

Average sunshine days in January - Slatefield, PA
  • Average sunshine days in January: 17.2 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in January
Slatefield, PA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Slatefield, PA

Average cloud cover in January - Slatefield, PA
  • Average cloud cover in January: 51

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in January
Slatefield, PA

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

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

Slatefield, Pennsylvania, USA

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