January weather forecast
Duck Key, FL

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Weather in January

January, like December, is an agreeable winter month in Duck Key, Florida, with temperature in the range of an average low of 67.5°F and an average high of 72.9°F.

Temperature

In Duck Key, the lowest temperatures are generally noted in January, averaging a high of 72.9°F and a low of 67.5°F.

Humidity

In Duck Key, the average relative humidity in January is 75%.

Rainfall

In January, in Duck Key, Florida, the rain falls for 10.5 days. Throughout January, 0.79" of precipitation is accumulated. Throughout the year, there are 186.2 rainfall days, and 24.45" of precipitation is accumulated.

Ocean temperature

January and February, with an average ocean temperature of 73.9°F, are months with the coldest seawater in Duck Key.
Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 73.9°F water might be pleasurable. (FYI: The standard water temperature for Olympic swimming contests is 77°F to 82.4°F.)

Daylight

In Duck Key, the average length of the day in January is 10h and 48min.
On the first day of January, sunrise is at 7:08 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:07 pm EST.

Sunshine

In Duck Key, the average sunshine in January is 7.2h.

UV index

January is the month with the lowest UV index in Duck Key, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In January, a regular UV index of 5 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Alert! UV radiation becomes sharper due to reflections from sand and water.
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FAQ

What is the coldest month in Duck Key?

January is the month when Duck Key, Florida, sees the average lowest temperatures, with a high of 72.9°F and a low of 67.5°F.

What are the temperatures in Duck Key in January?

The average high-temperature and low-temperature in Duck Key during January are 72.9°F and 67.5°F respectively.

What is the average humidity in January in Duck Key?

In January, the average relative humidity in Duck Key is 75%.

How much does it rain in Duck Key in January?

In Duck Key, Florida, in January, during 10.5 rainfall days, 0.79" of precipitation is typically accumulated.

When is the ocean coldest in Duck Key?

January and February, with an average ocean temperature of 73.9°F, are months with the coldest seawater in Duck Key, Florida.

What is the water temperature in January in Duck Key?

In Duck Key, in January, the average water temperature is 73.9°F. Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 73.9°F water may be enjoyable.

What is the average length of the day in January in Duck Key?

In Duck Key, Florida, the average day length in January is 10h and 48min.

What time are sunrise and sunset in January in Duck Key?

On the first day of January, sunrise is at 7:08 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:07 pm EST.

How many hours of sunshine does Duck Key have in January?

In January, the average sunshine duration in Duck Key is 7.2h.

What is the month with the lowest UV index in Duck Key?

January is the month with the lowest UV index in Duck Key, with an average maximum UV index of 5.

What is the UV index reading in January in Duck Key?

In January, the average daily maximum UV index in Duck Key, Florida, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Duck Key, FL

Average temperature in January - Duck Key, FL
  • Average high temperature in January: 72.9°F

The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.9°F).

  • Average low temperature in January: 67.5°F

The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (67.5°F).

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Average pressure in January
Duck Key, FL

Average pressure in January - Duck Key, FL
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).

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Average wind speed in January
Duck Key, FL

Average wind speed in January - Duck Key, FL
  • Average wind speed in January: 13.4mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).

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Average humidity in January
Duck Key, FL

Average humidity in January - Duck Key, FL
  • Average humidity in January: 75%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).

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Average rainfall in January
Duck Key, FL

Average rainfall in January - Duck Key, FL
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is March (0.43").

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Average rainfall days in January
Duck Key, FL

Average rainfall days in January - Duck Key, FL
  • Average rainfall days in January: 10.5 days

The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is February (10.3 days).

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Average sea temperature in January
Duck Key, FL

Average sea temperature in January - Duck Key, FL
  • Average sea temperature in January: 73.9°F

The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest months (with the lowest average sea temperature) are January and February (73.9°F).

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Average daylight in January /
Average sunshine in January
Duck Key, FL

Average daylight in January / Average sunshine in January - Duck Key, FL
  • Average daylight in January: 10h and 5min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in January: 7h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in January
Duck Key, FL

Average sunshine days in January - Duck Key, FL
  • Average sunshine days in January: 16.2 days

The month with the most sunshine days is March (18 days).
The month with the least sunshine days is September (4.6 days).

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Average UV index in January
Duck Key, FL

Average UV index in January - Duck Key, FL
  • Average UV index in January: 5

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).

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Average cloud cover in January
Duck Key, FL

Average cloud cover in January - Duck Key, FL
  • Average cloud cover in January: 32

The months with the most cloud cover are January and October (Cloud cover 32).
The month with the least cloud cover is April (Cloud cover 23).

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Average visibility in January
Duck Key, FL

Average visibility in January - Duck Key, FL
  • Average visibility in January: 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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Duck Key, Florida, USA

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