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
The commencement of December indicates a shift in the average high-temperature, receding from November's mild 56.7°F (13.7°C) to a frosty 47.3°F (8.5°C). Nighttime temperature dips to a mean of 32.5°F (0.3°C) during December.Humidity
In December, the average relative humidity is 76%.Rainfall
In Harriet, Arkansas, during December, the rain falls for 9 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Harriet, during the entire year, the rain falls for 150 days and collects up to 33.66" (855mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Harriet, during December, snow falls for 2.2 days and regularly aggregates up to 1.18" (30mm) of snow. Throughout the year, there are 11.7 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:06 pm CST.
Sunshine
In December, the average sunshine in Harriet is 5.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Harriet in December?
What is the average humidity in December in Harriet?
How many days does it rain in December in Harriet?
How many days does it snow in December in Harriet?
What is the month with the shortest days in Harriet?
What is the average length of the day in December in Harriet?
What time are sunrise and sunset in December in Harriet?
How long on average sun shines in December in Harriet?
What is the month with the lowest UV index in Harriet?
How high is the UV index in December in Harriet?
Average temperature in December
Harriet, AR
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in December
Harriet, 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 (29.93"Hg).
Average wind speed in December
Harriet, AR
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are February, March and April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Harriet, AR
- Average humidity in December: 76%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in December
Harriet, AR
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Harriet, AR
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Harriet, AR
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Harriet, AR
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Harriet, AR
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Harriet, AR
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in December
Harriet, 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 and December (UV index 2).
Average cloud cover in December
Harriet, AR
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Harriet, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, June, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July, August and September (5mi).
Harriet, Arkansas, USA
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