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
December's onset in Harrison, Arkansas, brings a reduction in the average high-temperature, from a mild 56.3°F (13.5°C) in November to a frosty 46.9°F (8.3°C). Harrison experiences a mean temperature of 32°F (0°C) during December nights.Humidity
In Harrison, the average relative humidity in December is 75%.Rainfall
In Harrison, during December, the rain falls for 7.5 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Harrison, there are 145.4 rainfall days, and 31.73" (806mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Harrison. In Harrison, in December, during 2.3 snowfall days, 0.94" (24mm) of snow is typically accumulated. In Harrison, Arkansas, during the entire year, snow falls for 13.3 days and aggregates up to 7.28" (185mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Harrison.On the first day of the month, sunrise is at 7:05 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:23 am and sunset at 5:08 pm CST.
Sunshine
The average sunshine in December in Harrison is 5.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Harrison. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the usual temperature for Harrison in December?
What is the average humidity in December in Harrison?
How many days does it rain in December in Harrison?
How many days does it snow in December in Harrison?
What is the month with the shortest days in Harrison?
How many hours of daylight does Harrison have in December?
What time are sunrise and sunset in December in Harrison?
How many hours of sunshine does Harrison have in December?
When is the lowest UV index in Harrison?
What is the UV index intensity in December in Harrison?
Average temperature in December
Harrison, AR
- Average high temperature in December: 46.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in December
Harrison, AR
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Harrison, AR
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Harrison, AR
- Average humidity in December: 75%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are January and October (73%).
Average rainfall in December
Harrison, AR
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Harrison, AR
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is December (7.5 days).
Average snowfall in December
Harrison, AR
- Average snowfall in December: 0.94"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Harrison, AR
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (4.2 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
Harrison, AR
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 30min).
Average sunshine days in December
Harrison, AR
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in December
Harrison, AR
- 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 and December (UV index 2).
Average cloud cover in December
Harrison, AR
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Harrison, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Harrison, Arkansas, USA
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