December weather forecast
Upton, MS

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Weather in December

The first month of the winter, December, is still a mild month in Upton, Mississippi, with an average temperature ranging between min 43°F (6.1°C) and max 58.1°F (14.5°C).

Temperature

The shift from November to December includes a small decrease in the average high-temperature, from a comfortable 64.9°F (18.3°C) to a still refreshing 58.1°F (14.5°C). In December, Upton's temperature tends to fall to an average low of 43°F (6.1°C) during the night.

Humidity

December is the most humid month in Upton, Mississippi, with an average relative humidity of 81%.

Rainfall

In Upton, in December, during 11.4 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 151.1 rainfall days, and 22.28" (566mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Upton are January, February and December. The months with the most snowfall in Upton, Mississippi, are January and December, with an average 0.28" (7mm) of accumulated snow.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:41 am and sunset at 4:54 pm. On the last day of December, sunrise is at 6:59 am and sunset at 5:05 pm CST.

Sunshine

The months with the least sunshine are February and December, with an average of 4.9h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 3 transforms into these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What are the temperatures in Upton in December?

The high-temperature during December is 58.1°F (14.5°C) and the low-temperature is 43°F (6.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 100.4°F (38°C).

What is the most humid month in Upton?

With an average relative humidity of 81%, December is the most humid month in Upton.

What is the average humidity in December in Upton?

The average relative humidity in December in Upton, Mississippi, is 81%.

How many days does it rain in December in Upton?

In Upton, Mississippi, during December, the rain falls for 11.4 days and regularly aggregates up to 2.2" (56mm) of precipitation.

What is the snowiest month in Upton?

The months with the most snowfall are January and December, with an average 0.28" (7mm) of accumulated snow.

When does it start to snow in Upton?

December is the first month it typically snows in Upton. Throughout December, in the average 0.3 snowfall days, it receives 0.28" (7mm) of snow.

What is the month with the shortest days in Upton?

With an average of 10h and 6min of daylight, December has the shortest days of the year in Upton.

How many hours of daylight does Upton have in December?

The average day length in December in Upton, Mississippi, is 10h and 6min.

What time are sunrise and sunset in December in Upton?

On the first day of December in Upton, sunrise is at 6:41 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:05 pm CST.

What is the month with the least sunshine in Upton?

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Upton.

How long on average sun shines in December in Upton?

In Upton, the average sunshine duration in December is 4.9h.

When is the lowest UV index in Upton?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Upton.

What is the UV index intensity in December in Upton?

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Upton, MS

Average temperature in December - Upton, MS
  • Average high temperature in December: 58.1°F

The warmest months (with the highest average high temperature) are July and August (91.4°F).
The month with the lowest average high temperature is January (55.2°F).

  • Average low temperature in December: 43°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 (38.7°F).

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Average pressure in December
Upton, MS

Average pressure in December - Upton, MS
  • 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 (29.96"Hg).

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Average wind speed in December
Upton, MS

Average wind speed in December - Upton, MS
  • Average wind speed in December: 7.3mph

The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in December
Upton, MS

Average humidity in December - Upton, MS
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Upton, MS

Average rainfall in December - Upton, MS
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is August (2.76").
The driest month (with the least rainfall) is November (1.1").

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Average rainfall days in December
Upton, MS

Average rainfall days in December - Upton, MS
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in December
Upton, MS

Average snowfall in December - Upton, MS
  • Average snowfall in December: 0.28"

The months with the highest snowfall are January and December (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Upton, MS

Average snowfall days in December - Upton, MS
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Upton, MS

Average daylight in December / Average sunshine in December - Upton, MS
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in December
Upton, MS

Average sunshine days in December - Upton, MS
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (21.2 days).
The months with the least sunshine days are July and August (9.3 days).

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Average UV index in December
Upton, MS

Average UV index in December - Upton, MS
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in December
Upton, MS

Average cloud cover in December - Upton, MS
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in December
Upton, MS

Average visibility in December - Upton, MS
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).

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Upton, Mississippi, USA

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