January weather forecast
Dilliner, PA

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Weather in January

January, like December, in Dilliner, Pennsylvania, is another cold winter month, with an average temperature fluctuating between 21.6°F (-5.8°C) and 34.5°F (1.4°C).

Temperature

January is the coldest month of the year, registering average temperatures as high as 34.5°F (1.4°C) and as low as 21.6°F (-5.8°C).

Humidity

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

Rainfall

In January, in Dilliner, the rain falls for 11.1 days. Throughout January, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 187.8 rainfall days, and 36.46" (926mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Dilliner, during January, snow falls for 17 days and regularly aggregates up to 7.4" (188mm) of snow. In Dilliner, during the entire year, snow falls for 63.1 days and aggregates up to 32.32" (821mm) of snow.

Daylight

In Dilliner, the average length of the day in January is 9h and 44min.
On the first day of the month, sunrise is at 7:40 am and sunset at 5:05 pm. On the last day of January, in Dilliner, sunrise is at 7:28 am and sunset at 5:37 pm EST.

Sunshine

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

UV index

The average daily maximum UV index in January in Dilliner is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 2 translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the coldest month in Dilliner?

January, having an average high-temperature of 34.5°F (1.4°C) and an average low-temperature of 21.6°F (-5.8°C), is the coldest month.

How cold is it in Dilliner in January?

The high-temperature, in January, in Dilliner, records 34.5°F (1.4°C), while the low-temperature is 21.6°F (-5.8°C).

What is the most humid month in Dilliner?

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

What is the average humidity in January in Dilliner?

The average relative humidity in January in Dilliner is 84%.

How many days does it rain in January in Dilliner?

In Dilliner, Pennsylvania, in January, it is raining for 11.1 days, with typically 2.99" (76mm) of accumulated precipitation.

How many days does it snow in January in Dilliner?

In Dilliner, Pennsylvania, in January, snow falls for 17 days, with typically accumulated 7.4" (188mm) of snow.

How many hours of daylight does Dilliner have in January?

In January, the average day length is 9h and 44min.

When are sunrise and sunset in January in Dilliner?

In January, on the first day of the month, sunrise is at 7:40 am and sunset at 5:05 pm. On the last day of the month, in Dilliner, Pennsylvania, sunrise is at 7:28 am and sunset at 5:37 pm EST.

What is the month with the least sunshine in Dilliner?

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

How long on average sun shines in January in Dilliner?

The average sunshine duration in January in Dilliner is 3h.

What is the UV index intensity in January in Dilliner?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Dilliner, PA

Average temperature in January - Dilliner, PA
  • Average high temperature in January: 34.5°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in January
Dilliner, PA

Average pressure in January - Dilliner, PA
  • Average pressure in January: 30.12"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).

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Average wind speed in January
Dilliner, PA

Average wind speed in January - Dilliner, PA
  • Average wind speed in January: 7.4mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in January
Dilliner, PA

Average humidity in January - Dilliner, 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 (77%).

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Average rainfall in January
Dilliner, PA

Average rainfall in January - Dilliner, PA
  • Average rainfall in January: 2.99"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in January
Dilliner, PA

Average rainfall days in January - Dilliner, PA
  • Average rainfall days in January: 11.1 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (11.1 days).

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Average snowfall in January
Dilliner, PA

Average snowfall in January - Dilliner, PA
  • Average snowfall in January: 7.4"

The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Dilliner, PA

Average snowfall days in January - Dilliner, PA
  • Average snowfall days in January: 17 days

The month with the highest number of snowfall days is January (17 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
Dilliner, PA

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 3h

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

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Average sunshine days in January
Dilliner, PA

Average sunshine days in January - Dilliner, PA
  • Average sunshine days in January: 6.7 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.7 days).

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Average UV index in January
Dilliner, PA

Average UV index in January - Dilliner, 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).

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Average cloud cover in January
Dilliner, PA

Average cloud cover in January - Dilliner, 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 35).

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Average visibility in January
Dilliner, PA

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

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

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Dilliner, Pennsylvania, USA

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