January weather forecast
Olwen Heights, PA

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Weather in January

January, the same as December, in Olwen Heights, Pennsylvania, is another subzero cold winter month, with temperature in the range of an average high of 29.8°F (-1.2°C) and an average low of 18°F (-7.8°C).

Temperature

Olwen Heights's January weather reaches an average high of 29.8°F (-1.2°C) and an average low of 18°F (-7.8°C), making it the coldest month.

Humidity

In Olwen Heights, the average relative humidity in January is 83%.

Rainfall

The months with the least rainfall are January and September Rain falls for 5.2 days and accumulates 1.38" (35mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Olwen Heights, during January, snow falls for 9.6 days and regularly aggregates up to 4.65" (118mm) of snow. Throughout the year, there are 48.4 snowfall days, and 22.01" (559mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 35min.
On the first day of January, sunrise is at 7:28 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:16 pm EST.

Sunshine

The average sunshine in January is 3.6h.

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 low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 1 during January, leads to 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 midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

The month of January, characterized by an average high of 29.8°F (-1.2°C) and a low of 18°F (-7.8°C), is recognized as the coldest.

How cold is it in Olwen Heights in January?

The high-temperature, in January, in Olwen Heights, is 29.8°F (-1.2°C), while the low-temperature averages to 18°F (-7.8°C).

What is the average humidity in January?

In January, the average relative humidity is 83%.

What is the driest month in Olwen Heights?

January and September are months with the least rain when the rain falls for 5.2 days and typically aggregates up to 1.38" (35mm) of rain.

How many days does it rain in January?

In Olwen Heights, in January, it is raining for 5.2 days, with typically 1.38" (35mm) of accumulated precipitation.

How many days does it snow in January?

In Olwen Heights, during January, snow falls for 9.6 days and regularly aggregates up to 4.65" (118mm) of snow.

What is the average length of the day in January in Olwen Heights?

In January, the average day length is 9h and 35min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:16 pm EST.

How many hours of sunshine does Olwen Heights have in January?

In January, the average sunshine duration is 3.6h.

What are the months with the lowest UV index?

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

What is the UV index intensity in January?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from 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
Olwen Heights, PA

Average temperature in January - Olwen Heights, PA
  • Average high temperature in January: 29.8°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in January: 18°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in January
Olwen Heights, PA

Average pressure in January - Olwen Heights, PA
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Olwen Heights, PA

Average wind speed in January - Olwen Heights, PA
  • Average wind speed in January: 8.4mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Olwen Heights, PA

Average humidity in January - Olwen Heights, PA
  • Average humidity in January: 83%

The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).

Average rainfall in January
Olwen Heights, PA

Average rainfall in January - Olwen Heights, PA
  • Average rainfall in January: 1.38"

The wettest months (with the highest rainfall) are May and July (2.4").
The driest months (with the least rainfall) are January and September (1.38").

Average rainfall days in January
Olwen Heights, PA

Average rainfall days in January - Olwen Heights, PA
  • Average rainfall days in January: 5.2 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (5.2 days).

Average snowfall in January
Olwen Heights, PA

Average snowfall in January - Olwen Heights, PA
  • Average snowfall in January: 4.65"

The month with the highest snowfall is March (5.08").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Olwen Heights, PA

Average snowfall days in January - Olwen Heights, PA
  • Average snowfall days in January: 9.6 days

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Olwen Heights, PA

Average daylight in January / Average sunshine in January - Olwen Heights, 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 12min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in January
Olwen Heights, PA

Average sunshine days in January - Olwen Heights, PA
  • Average sunshine days in January: 18.4 days

The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is May (11 days).

Average UV index in January
Olwen Heights, PA

Average UV index in January - Olwen Heights, 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
Olwen Heights, PA

Average cloud cover in January - Olwen Heights, PA
  • Average cloud cover in January: 63

The months with the most cloud cover are February and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in January
Olwen Heights, PA

Average visibility in January - Olwen Heights, 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).

Olwen Heights, Pennsylvania, USA

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