December weather forecast
Harker, FL

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Weather in December

December, the first month of the winter in Harker, is still a warm month, with an average temperature fluctuating between 60.1°F (15.6°C) and 76.5°F (24.7°C).

Temperature

Harker, Florida, records a slight change with December's average high-temperatures adjusting to a still warm 76.5°F (24.7°C) from November's 79.5°F (26.4°C). Throughout the month of December, Harker expects an average low of 60.1°F (15.6°C).

Humidity

In December, the average relative humidity is 77%.

Rainfall

In December, in Harker, the rain falls for 9.6 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Harker, there are 192.1 rainfall days, and 30.24" (768mm) of precipitation is accumulated.

Daylight

December has the shortest days of the year in Harker, with an average of 10h and 30min of daylight.
On the first day of the month, sunrise is at 6:56 am and sunset at 5:32 pm. On the last day of December, sunrise is at 7:13 am and sunset at 5:44 pm EST.

Sunshine

November and December, with an average of 6.4h of sunshine, are months with the least sunshine in Harker.

UV index

January, February, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 in December converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What are the temperatures in Harker in December?

The average high-temperature, in December, in Harker, is 76.5°F (24.7°C), while the average low-temperature is 60.1°F (15.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in October is calculated to be 95°F (35°C).

What is the average humidity in December in Harker?

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

How many days does it rain in December in Harker?

In Harker, during December, the rain falls for 9.6 days and regularly aggregates up to 0.87" (22mm) of precipitation.

What is the month with the shortest days in Harker?

With an average of 10h and 30min of daylight, December has the shortest days of the year in Harker, Florida.

What is the average length of the day in December in Harker?

The average day length in December in Harker is 10h and 31min.

When are sunrise and sunset in December in Harker?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 5:32 pm. On the last day of the month, in Harker, Florida, sunrise is at 7:13 am and sunset at 5:44 pm EST.

What is the month with the least sunshine in Harker?

November and December, with an average of 6.4h of sunshine, are months with the least sunshine in Harker, Florida.

How many hours of sunshine does Harker have in December?

In December, the average sunshine duration is 6.4h.

What is the month with the lowest UV index in Harker?

The months with the lowest UV index in Harker, Florida, are January, February, November and December, with an average maximum UV index of 5.

How high is the UV index in December in Harker?

The average daily maximum UV index in December in Harker is 5. A UV Index estimate of 3 to 5 represents a medium health risk from 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
Harker, FL

Average temperature in December - Harker, FL
  • Average high temperature in December: 76.5°F

The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (72.7°F).

  • Average low temperature in December: 60.1°F

The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (55.6°F).

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Average pressure in December
Harker, FL

Average pressure in December - Harker, FL
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

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Average wind speed in December
Harker, FL

Average wind speed in December - Harker, FL
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in December
Harker, FL

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

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is March (70%).

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Average rainfall in December
Harker, FL

Average rainfall in December - Harker, FL
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is August (5.75").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in December
Harker, FL

Average rainfall days in December - Harker, FL
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (24.7 days).
The month with the least rainy days is January (8.8 days).

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

Average daylight in December / Average sunshine in December - Harker, FL
  • Average daylight in December: 10h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 6h and 24min).

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Average sunshine days in December
Harker, FL

Average sunshine days in December - Harker, FL
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is July (5.1 days).

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Average UV index in December
Harker, FL

Average UV index in December - Harker, FL
  • Average UV index in December: 5

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 5).

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Average cloud cover in December
Harker, FL

Average cloud cover in December - Harker, FL
  • Average cloud cover in December: 33

The months with the most cloud cover are January, September and December (Cloud cover 33).
The months with the least cloud cover are March, April and May (Cloud cover 28).

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Average visibility in December
Harker, FL

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

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