December weather forecast
Sumner, FL

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Weather in December

December, the first month of the winter in Sumner, is still a pleasant month, with an average temperature varying between 68°F (20°C) and 52.3°F (11.3°C).

Temperature

The commencement of December brings an average high-temperature of a still pleasant 68°F (20°C), marking an inconsequential divergence from November. Sumner, during the month of December, experiences an average low-temperature of 52.3°F (11.3°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Sumner, Florida, in December, it is raining for 7.9 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 154 rainfall days, and 21.69" (551mm) of precipitation is accumulated.

Snowfall

The only month with snowfall in Sumner is December. December has the most snowfall days of the year in Sumner. Snow falls for 0.1 days.

Daylight

December has the shortest days of the year, with an average of 10h and 18min of daylight.
On the first day of December in Sumner, sunrise is at 7:08 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:44 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 6h of sunshine.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: A typical high UV index of 4 in December suggests the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What are the temperatures in Sumner in December?

Sumner in December has an average high-temperature of 68°F (20°C) and an average low-temperature of 52.3°F (11.3°C). In October, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in December in Sumner?

The average relative humidity in December is 76%.

How much does it rain in Sumner in December?

In Sumner, Florida, during December, the rain falls for 7.9 days and regularly aggregates up to 1.81" (46mm) of precipitation.

What is the snowiest month in Sumner?

December has the most snowfall days of the year in Sumner. Snow falls for 0.1 days.

When does it start to snow in Sumner?

December is the first month it typically snows in Sumner, Florida. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days in Sumner?

December has the shortest days of the year in Sumner, Florida, with an average of 10h and 18min of daylight.

How many hours of daylight does Sumner have in December?

The average day length in December in Sumner is 10h and 19min.

What time are sunrise and sunset in December in Sumner?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 5:33 pm. On the last day of the month, in Sumner, Florida, sunrise is at 7:25 am and sunset at 5:44 pm EST.

What is the month with the least sunshine in Sumner?

The month with the least sunshine in Sumner, Florida, is December, with an average of 6h of sunshine.

How many hours of sunshine does Sumner have in December?

In December, the average sunshine duration in Sumner is 6h.

When is the lowest UV index in Sumner?

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Sumner.

How high is the UV index in December in Sumner?

In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sumner, FL

Average temperature in December - Sumner, FL
  • Average high temperature in December: 68°F

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is January (64°F).

  • Average low temperature in December: 52.3°F

The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).

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Average pressure in December
Sumner, FL

Average pressure in December - Sumner, FL
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

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Average wind speed in December
Sumner, FL

Average wind speed in December - Sumner, FL
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in December
Sumner, FL

Average humidity in December - Sumner, FL
  • Average humidity in December: 76%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is January (71%).

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Average rainfall in December
Sumner, FL

Average rainfall in December - Sumner, FL
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is November (0.83").

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Average rainfall days in December
Sumner, FL

Average rainfall days in December - Sumner, FL
  • Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall days in December
Sumner, FL

Average snowfall days in December - Sumner, FL
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Sumner, FL

Average daylight in December / Average sunshine in December - Sumner, FL
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in December
Sumner, FL

Average sunshine days in December - Sumner, FL
  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (5.8 days).

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Average UV index in December
Sumner, FL

Average UV index in December - Sumner, FL
  • Average UV index in December: 4

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in December
Sumner, FL

Average cloud cover in December - Sumner, FL
  • Average cloud cover in December: 36

The months with the most cloud cover are February and December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 25).

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Average visibility in December
Sumner, FL

Average visibility in December - Sumner, FL
  • Average visibility in December: 6mi

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

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Sumner, Florida, USA

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