Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Alexandria in December undergoes a mild reduction in the average high-temperature, shifting from November's frosty 47.3°F (8.5°C) to a wintry 37.6°F (3.1°C). Throughout December, an average nighttime temperature of 27.3°F (-2.6°C) is experienced.Humidity
The average relative humidity in December in Alexandria is 83%.Rainfall
In Alexandria, during December, the rain falls for 12.6 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 166.2 rainfall days, and 23.86" (606mm) of precipitation is accumulated.Snowfall
Months with snowfall in Alexandria are January through May, October through December. In Alexandria, in December, snow falls for 9.1 days, with typically accumulated 2.64" (67mm) of snow. In Alexandria, during the entire year, snow falls for 50 days and aggregates up to 16.77" (426mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Alexandria.On the first day of December in Alexandria, Pennsylvania, sunrise is at 7:17 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine is 3.9h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the UV index of 1 transforms into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
Is it cold in Alexandria during December?
What is the average humidity in December in Alexandria?
How much does it rain in Alexandria in December?
How many days does it snow in December in Alexandria?
What is the month with the shortest days in Alexandria?
How many hours of daylight does Alexandria have in December?
What time are sunrise and sunset in December in Alexandria?
How long on average sun shines in December in Alexandria?
When is the lowest UV index in Alexandria?
What is the UV index reading in December in Alexandria?
Average temperature in December
Alexandria, PA
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Alexandria, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Alexandria, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Alexandria, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Alexandria, PA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Alexandria, PA
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Alexandria, PA
- Average snowfall in December: 2.64"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Alexandria, PA
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Alexandria, 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 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Alexandria, PA
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in December
Alexandria, PA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Alexandria, PA
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Alexandria, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Alexandria, Pennsylvania, USA
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