December weather forecast
Sumatra, FL

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Weather in December

December, the first month of the winter in Sumatra, is also an enjoyable month, with an average temperature varying between 49.6°F (9.8°C) and 64.6°F (18.1°C).

Temperature

With the commencement of December, Sumatra records a moderate temperature decline, with the average high easing from November's pleasant 70°F (21.1°C) to a refreshing 64.6°F (18.1°C). The average low-temperature of 49.6°F (9.8°C) is witnessed in Sumatra during December.

Humidity

The most humid month is December, with an average relative humidity of 77%.

Rainfall

In Sumatra, in December, it is raining for 11.3 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, in Sumatra, there are 164.7 rainfall days, and 30.63" (778mm) of precipitation is accumulated.

Daylight

With an average of 10h and 18min of daylight, December has the shortest days of the year in Sumatra.
On the first day of the month, sunrise is at 7:18 am and sunset at 5:39 pm. On the last day of December, sunrise is at 7:35 am and sunset at 5:50 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.7h of sunshine.

UV index

In Sumatra, Florida, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 4 in December translates into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What is the temperature in December in Sumatra?

The average high-temperature and low-temperature in Sumatra, Florida, during December are 64.6°F (18.1°C) and 49.6°F (9.8°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 100.4°F (38°C).

What is the most humid month in Sumatra?

With an average relative humidity of 77%, December is the most humid month in Sumatra, Florida.

What is the average humidity in December in Sumatra?

The average relative humidity in December in Sumatra, Florida, is 77%.

How many days does it rain in December in Sumatra?

In Sumatra, Florida, in December, during 11.3 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

What is the month with the shortest days in Sumatra?

The month with the shortest days in Sumatra, Florida, is December, with an average of 10h and 18min of daylight.

How many hours of daylight does Sumatra have in December?

In Sumatra, the average day length in December is 10h and 15min.

What time are sunrise and sunset in December in Sumatra?

On the first day of December in Sumatra, Florida, sunrise is at 7:18 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:50 pm EST.

What is the month with the least sunshine in Sumatra?

The month with the least sunshine in Sumatra is December, with an average of 5.7h of sunshine.

How many hours of sunshine does Sumatra have in December?

In December, the average sunshine duration in Sumatra, Florida, is 5.7h.

How high is the UV index in December in Sumatra?

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

Average temperature in December
Sumatra, FL

Average temperature in December - Sumatra, FL
  • Average high temperature in December: 64.6°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 (60.8°F).

  • Average low temperature in December: 49.6°F

The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (45.3°F).

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Average pressure in December
Sumatra, FL

Average pressure in December - Sumatra, FL
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

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Average wind speed in December
Sumatra, FL

Average wind speed in December - Sumatra, FL
  • Average wind speed in December: 6.7mph

The windiest months (with the highest average wind speed) are January and March (7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Sumatra, FL

Average humidity in December - Sumatra, FL
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January, May and October (72%).

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Average rainfall in December
Sumatra, FL

Average rainfall in December - Sumatra, FL
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is November (1.38").

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Average rainfall days in December
Sumatra, FL

Average rainfall days in December - Sumatra, FL
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (7.5 days).

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

Average daylight in December / Average sunshine in December - Sumatra, 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: 5h and 4min

The months with the most sunshine are May, June and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in December
Sumatra, FL

Average sunshine days in December - Sumatra, FL
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is August (5.2 days).

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Average UV index in December
Sumatra, FL

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

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

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Average cloud cover in December
Sumatra, FL

Average cloud cover in December - Sumatra, FL
  • Average cloud cover in December: 39

The months with the most cloud cover are February and December (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 23).

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Average visibility in December
Sumatra, FL

Average visibility in December - Sumatra, 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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Sumatra, Florida, USA

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