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
Harlow's December weather shows a modest shift in high-temperatures, falling from November's comfortable 61.7°F (16.5°C) to a fresh 54°F (12.2°C). December's nights observe an average temperature of 39°F (3.9°C).Humidity
The months with the highest humidity are March and December, with an average relative humidity of 80%.Rainfall
In December, in Harlow, Arkansas, the rain falls for 11.1 days. Throughout December, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 144.9 rainfall days, and 29.17" (741mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Harlow, Arkansas. December is the first month it typically snows in Harlow. Throughout December, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. In Harlow, during the entire year, snow falls for 3.7 days and aggregates up to 1.1" (28mm) of snow.Daylight
The month with the shortest days in Harlow is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 5:01 pm. On the last day of December, in Harlow, sunrise is at 7:14 am and sunset at 5:12 pm CST.
Sunshine
In Harlow, the average sunshine in December is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 is the temperature in December in Harlow?
What are the most humid months in Harlow?
What is the average humidity in December in Harlow?
How many days does it rain in December in Harlow?
When does it start to snow in Harlow?
What is the month with the shortest days in Harlow?
How many hours of daylight does Harlow have in December?
When are sunrise and sunset in December in Harlow?
How many hours of sunshine does Harlow have in December?
When is the lowest UV index in Harlow?
What is the UV index intensity in December in Harlow?
Average temperature in December
Harlow, AR
- Average high temperature in December: 54°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in December: 39°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Harlow, 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
Harlow, AR
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Harlow, AR
- Average humidity in December: 80%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Harlow, AR
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is April (3.23").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Harlow, AR
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Harlow, AR
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harlow, 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
Harlow, AR
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Harlow, AR
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (20.3 days).
The months with the least sunshine days are July and August (12.4 days).
Average UV index in December
Harlow, AR
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Harlow, AR
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Harlow, AR
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Harlow, Arkansas, USA
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