December weather forecast
Estella, PA

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Weather in December

December, the first month of the winter in Estella, is still a cold month, with an average temperature ranging between max 34.7°F (1.5°C) and min 25.5°F (-3.6°C).

Temperature

The arrival of December corresponds with a temperature reduction, down from November's chilly 44.8°F (7.1°C) to a cold 34.7°F (1.5°C). Estella records a mean low-temperature of 25.5°F (-3.6°C) in December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In December, the rain falls for 12.5 days. Throughout December, 2.09" (53mm) of precipitation is accumulated. In Estella, during the entire year, the rain falls for 171.9 days and collects up to 28.54" (725mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Estella, during December, snow falls for 15.1 days and regularly aggregates up to 5.39" (137mm) of snow. Throughout the year, there are 74.9 snowfall days, and 30.08" (764mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:14 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:46 pm EST.

Sunshine

The months with the least sunshine are February and December, with an average of 3.2h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Estella, in December, the average high-temperature is 34.7°F (1.5°C), and the average low-temperature is 25.5°F (-3.6°C).

What is the average humidity in December?

The average relative humidity in December is 84%.

How many days does it rain in December?

In Estella, in December, it is raining for 12.5 days, with typically 2.09" (53mm) of accumulated precipitation.

How many days does it snow in December?

In Estella, in December, during 15.1 snowfall days, 5.39" (137mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

How many hours of daylight does Estella have in December?

In Estella, the average day length in December is 9h and 14min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:46 pm EST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 3.2h of sunshine.

How many hours of sunshine does Estella have in December?

In Estella, the average sunshine duration in December is 3.2h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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 December
Estella, PA

Average temperature in December - Estella, PA
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in December
Estella, PA

Average pressure in December - Estella, PA
  • Average pressure in December: 30.09"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 December
Estella, PA

Average wind speed in December - Estella, PA
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Estella, PA

Average humidity in December - Estella, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).

Average rainfall in December
Estella, PA

Average rainfall in December - Estella, PA
  • Average rainfall in December: 2.09"

The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").

Average rainfall days in December
Estella, PA

Average rainfall days in December - Estella, PA
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in December
Estella, PA

Average snowfall in December - Estella, PA
  • Average snowfall in December: 5.39"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Estella, PA

Average snowfall days in December - Estella, PA
  • Average snowfall days in December: 15.1 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Estella, PA

Average daylight in December / Average sunshine in December - Estella, PA
  • Average daylight in December: 9h and 1min

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 December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in December
Estella, PA

Average sunshine days in December - Estella, PA
  • Average sunshine days in December: 8.9 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).

Average UV index in December
Estella, PA

Average UV index in December - Estella, PA
  • Average UV index in December: 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 December
Estella, PA

Average cloud cover in December - Estella, PA
  • Average cloud cover in December: 67

The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in December
Estella, PA

Average visibility in December - Estella, PA
  • Average visibility in December: 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).

Estella, Pennsylvania, USA

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