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 arrival corresponds with a decrease in average high-temperatures, from November's moderate 59.9°F (15.5°C) to a fresh 50.4°F (10.2°C). Excelsior cools down to an average low-temperature of 35.4°F (1.9°C) throughout the month of December.Humidity
The average relative humidity in December is 75%.Rainfall
In December, in Excelsior, the rain falls for 7.9 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. Throughout the year, in Excelsior, there are 132.2 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Excelsior. Throughout December, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. In Excelsior, during the entire year, snow falls for 3.9 days and aggregates up to 0.79" (20mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December in Excelsior, sunrise is at 7:07 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:15 pm CST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Excelsior.UV index
The month with the lowest UV index in Excelsior is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
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 most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Excelsior?
What is the average humidity in December in Excelsior?
How many days does it rain in December in Excelsior?
When does it start snowing in Excelsior?
What is the month with the shortest days in Excelsior?
What is the average length of the day in December in Excelsior?
When is the sunrise / sunset in December in Excelsior?
What are the months with the least sunshine in Excelsior?
How many hours of sunshine does Excelsior have in December?
When is the lowest UV index in Excelsior?
What is the UV index reading in December in Excelsior?
Average temperature in December
Excelsior, AR
- Average high temperature in December: 50.4°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Excelsior, 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
Excelsior, AR
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Excelsior, AR
- Average humidity in December: 75%
The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in December
Excelsior, AR
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in December
Excelsior, AR
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in December
Excelsior, AR
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Excelsior, AR
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Excelsior, AR
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Excelsior, AR
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (14.2 days).
Average UV index in December
Excelsior, AR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Excelsior, AR
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Excelsior, 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).
Excelsior, Arkansas, USA
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