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 arrival of December signals a subtle shift in temperature, down from an enjoyable 61.7°F (16.5°C) in November to a cool 52.9°F (11.6°C). Nighttime temperature in Winthrop dips to a mean of 37.4°F (3°C) during December.Humidity
In Winthrop, the average relative humidity in December is 78%.Rainfall
In December, in Winthrop, the rain falls for 9.5 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. Throughout the year, in Winthrop, there are 137.4 rainfall days, and 26.73" (679mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Winthrop. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Winthrop, Arkansas, there are 2.6 snowfall days, and 0.94" (24mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December in Winthrop, sunrise is at 7:04 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine in Winthrop is December, with an average of 5.2h of sunshine.UV index
December is the month with the lowest UV index, 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 rays for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Winthrop in December?
What is the average humidity in December in Winthrop?
How much does it rain in Winthrop in December?
When does it start snowing in Winthrop?
What is the month with the shortest days in Winthrop?
What is the average length of the day in December in Winthrop?
When are sunrise and sunset in December in Winthrop?
What is the month with the least sunshine in Winthrop?
How many hours of sunshine does Winthrop have in December?
What is the month with the lowest UV index in Winthrop?
What is the UV index reading in December in Winthrop?
Average temperature in December
Winthrop, AR
- Average high temperature in December: 52.9°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 (51.3°F).
- Average low temperature in December: 37.4°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Winthrop, AR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Winthrop, AR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Winthrop, AR
- Average humidity in December: 78%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Winthrop, AR
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in December
Winthrop, AR
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Winthrop, AR
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Winthrop, AR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.2 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
Winthrop, AR
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Winthrop, AR
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is January (20.5 days).
The months with the least sunshine days are May and August (14.8 days).
Average UV index in December
Winthrop, AR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Winthrop, AR
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Winthrop, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
Winthrop, Arkansas, USA
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