January weather forecast
Lilly, PA

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Weather in January

January, the same as December, in Lilly, Pennsylvania, is another subzero cold winter month, with an average temperature varying between 18.9°F (-7.3°C) and 30.4°F (-0.9°C).

Temperature

In Lilly, the lowest average temperatures are observed in January, with a high of 30.4°F (-0.9°C) and a low of 18.9°F (-7.3°C).

Humidity

In January, the average relative humidity in Lilly, Pennsylvania, is 84%.

Rainfall

In Lilly, Pennsylvania, in January, it is raining for 7.7 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, in Lilly, Pennsylvania, there are 170 rainfall days, and 33.46" (850mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Lilly, during January, snow falls for 18 days and regularly aggregates up to 8.66" (220mm) of snow. In Lilly, during the entire year, snow falls for 70.6 days and aggregates up to 40.12" (1019mm) of snow.

Daylight

The average length of the day in January in Lilly, Pennsylvania, is 9h and 41min.
On the first day of January in Lilly, sunrise is at 7:37 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:30 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3.1h of sunshine.

UV index

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 during January leads to these advisories:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the coldest time of year in Lilly?

With average temperatures fluctuating between a high of 30.4°F (-0.9°C) and a low of 18.9°F (-7.3°C), January stands out as the coldest month.

How cold is January in Lilly?

The high-temperature, in January, in Lilly, is 30.4°F (-0.9°C), while the low-temperature averages to 18.9°F (-7.3°C).

What is the average humidity in January in Lilly?

In Lilly, Pennsylvania, the average relative humidity in January is 84%.

How many days does it rain in January in Lilly?

In Lilly, Pennsylvania, in January, it is raining for 7.7 days, with typically 2.52" (64mm) of accumulated precipitation.

How much does it snow in Lilly in January?

In Lilly, Pennsylvania, during January, snow falls for 18 days and regularly aggregates up to 8.66" (220mm) of snow.

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

In Lilly, Pennsylvania, the average day length in January is 9h and 41min.

When are sunrise and sunset in January in Lilly?

On the first day of January in Lilly, Pennsylvania, sunrise is at 7:37 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:30 pm EST.

What is the month with the least sunshine in Lilly?

The month with the least sunshine in Lilly, Pennsylvania, is January, with an average of 3.1h of sunshine.

How many hours of sunshine does Lilly have in January?

The average sunshine duration in January in Lilly is 3.1h.

What is the UV index intensity in January in Lilly?

In January, the average daily maximum UV index in Lilly is 2. A UV Index estimate of 2, and below, represents 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
Lilly, PA

Average temperature in January - Lilly, PA
  • Average high temperature in January: 30.4°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 (30.4°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in January
Lilly, PA

Average pressure in January - Lilly, PA
  • Average pressure in January: 30.1"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
Lilly, PA

Average wind speed in January - Lilly, PA
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in January
Lilly, PA

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

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (78%).

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Average rainfall in January
Lilly, PA

Average rainfall in January - Lilly, PA
  • Average rainfall in January: 2.52"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (2.01").

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Average rainfall days in January
Lilly, PA

Average rainfall days in January - Lilly, PA
  • Average rainfall days in January: 7.7 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in January
Lilly, PA

Average snowfall in January - Lilly, PA
  • Average snowfall in January: 8.66"

The month with the highest snowfall is February (8.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Lilly, PA

Average snowfall days in January - Lilly, PA
  • Average snowfall days in January: 18 days

The month with the highest number of snowfall days is January (18 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
Lilly, PA

Average daylight in January / Average sunshine in January - Lilly, 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 18min).

  • Average sunshine in January: 3h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in January
Lilly, PA

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

The month with the most sunshine days is November (13.5 days).
The months with the least sunshine days are January and February (7.7 days).

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Average UV index in January
Lilly, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Lilly, PA

Average cloud cover in January - Lilly, PA
  • Average cloud cover in January: 70

The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).

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Average visibility in January
Lilly, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

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Lilly, Pennsylvania, USA

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