December weather forecast
Andalusia, PA

Share

Weather in December

The first month of the winter, December, is also a frosty month in Andalusia, Pennsylvania, with an average temperature ranging between max 43.7°F (6.5°C) and min 32.5°F (0.3°C).

Temperature

As December begins, there is a decrease in the average high-temperature, falling from a fresh 52.7°F (11.5°C) in November to a chilly 43.7°F (6.5°C). The average nighttime temperature in Andalusia lowers to an icy 32.5°F (0.3°C) throughout December.

Humidity

In Andalusia, the average relative humidity in December is 76%.

Rainfall

In Andalusia, Pennsylvania, during December, the rain falls for 9.8 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Andalusia, during the entire year, the rain falls for 153.8 days and collects up to 30.94" (786mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In December, in Andalusia, it is snowing for 2.7 days. Throughout December, 1.18" (30mm) of snow is accumulated. In Andalusia, during the entire year, snow falls for 16.8 days and aggregates up to 8.5" (216mm) of snow.

Daylight

December has the shortest days of the year in Andalusia, Pennsylvania, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:35 pm. On the last day of December, in Andalusia, sunrise is at 7:21 am and sunset at 4:44 pm EST.

Sunshine

In Andalusia, the average sunshine in December is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Andalusia in December?

The high-temperature in Andalusia during December is 43.7°F (6.5°C) and the low-temperature is 32.5°F (0.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 91.4°F (33°C).

What is the average humidity in December in Andalusia?

The average relative humidity in December in Andalusia is 76%.

How much does it rain in Andalusia in December?

In December, the rain falls for 9.8 days. Throughout December, 3.03" (77mm) of precipitation is accumulated.

How much does it snow in Andalusia in December?

In Andalusia, Pennsylvania, in December, snow falls for 2.7 days, with typically accumulated 1.18" (30mm) of snow.

What is the month with the shortest days in Andalusia?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Andalusia have in December?

In December, the average day length is 9h and 23min.

What time are sunrise and sunset in December in Andalusia?

On the first day of December, sunrise is at 7:03 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:44 pm EST.

How many hours of sunshine does Andalusia have in December?

In December, the average sunshine duration is 5h.

What are the months with the lowest UV index in Andalusia?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December in Andalusia?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk 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 December
Andalusia, PA

Average temperature in December - Andalusia, PA
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 32.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in December
Andalusia, PA

Average pressure in December - Andalusia, 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 (29.93"Hg).

Average wind speed in December
Andalusia, PA

Average wind speed in December - Andalusia, PA
  • Average wind speed in December: 7.7mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Andalusia, PA

Average humidity in December - Andalusia, PA
  • Average humidity in December: 76%

The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in December
Andalusia, PA

Average rainfall in December - Andalusia, PA
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in December
Andalusia, PA

Average rainfall days in December - Andalusia, PA
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in December
Andalusia, PA

Average snowfall in December - Andalusia, PA
  • Average snowfall in December: 1.18"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Andalusia, PA

Average snowfall days in December - Andalusia, PA
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Andalusia, PA
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Andalusia, PA

Average sunshine days in December - Andalusia, PA
  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in December
Andalusia, PA

Average UV index in December - Andalusia, PA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Andalusia, PA

Average cloud cover in December - Andalusia, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Andalusia, PA

Average visibility in December - Andalusia, PA
  • Average visibility in December: 6mi

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

Andalusia, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location