January weather forecast
Naples, FL

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Magnificent white sandy shores of Naples in Florida, USA, complete with a view of the city structure and plantation
Magnificent white sandy shores of Naples in Florida, USA, complete with a view of the city structure and plantation

Weather in January

Naples, Florida sees a mild start to the year in January. The winter weather is marked by moderate temperatures with increasing daylight hours. However, cool winds dominate this month, reaching speeds of up to 13.9mph (22.4km/h) which is the highest in the year. Moreover, the amount of sunshine begins to increase as well, gradually welcoming the brighter months ahead. Encouraging outdoor activities, January in Naples is characterized by ample daylight and relatively less rainfall.

Temperature

The coldest month in Naples is January, with an average high-temperature of 71.6°F (22°C) and an average low-temperature of 59.5°F (15.3°C).

Humidity

In January, the average relative humidity in Naples is 74%.

Rainfall

In Naples, Florida, during January, the rain falls for 7.7 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 162.1 rainfall days, and 21.69" (551mm) of precipitation is accumulated.

Ocean temperature

January and February, with an average ocean temperature of 66.7°F (19.3°C), are months with the coldest seawater in Naples.
Note: Swimming is not a pleasurable activity for the majority in water at 66.7°F (19.3°C). Breathing control gets harder as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in January is 10h and 43min.
On the first day of January in Naples, sunrise is at 7:14 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:09 pm EST.

Sunshine

In Naples, Florida, the average sunshine in January is 7.4h.

UV index

The months with the lowest UV index in Naples are January and February, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in January transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What is the coldest month in Naples?

January is Naples's coldest month, registering average high temperatures of 71.6°F (22°C) and lows of 59.5°F (15.3°C).

What is the average January temperature in Naples?

Naples in January has an average high-temperature of 71.6°F (22°C) and an average low-temperature of 59.5°F (15.3°C).

What is the average humidity in January in Naples?

In Naples, the average relative humidity in January is 74%.

How many days does it rain in January in Naples?

In January, in Naples, the rain falls for 7.7 days. Throughout January, 0.83" (21mm) of precipitation is accumulated.

When is the ocean coldest in Naples?

January and February, with an average ocean temperature of 66.7°F (19.3°C), are months with the coldest seawater.

What is the ocean temperature in January in Naples?

In January, the average ocean temperature is 66.7°F (19.3°C). For swimming, a surface water temperature of 66.7°F (19.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in January in Naples?

In January, the average day length in Naples is 10h and 43min.

When are sunrise and sunset in January in Naples?

On the first day of January, sunrise is at 7:14 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:09 pm EST.

How many hours of sunshine does Naples have in January?

The average sunshine duration in January in Naples is 7.4h.

What are the months with the lowest UV index in Naples?

January and February, with an average maximum UV index of 5, are months with the lowest UV index in Naples.

How high is the UV index in January in Naples?

In Naples, Florida, the average daily maximum UV index in January is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Naples, FL

Average temperature in January - Naples, FL
  • Average high temperature in January: 71.6°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).

  • Average low temperature in January: 59.5°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

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Average pressure in January
Naples, FL

Average pressure in January - Naples, FL
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).

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Average wind speed in January
Naples, FL

Average wind speed in January - Naples, FL
  • Average wind speed in January: 9mph

The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in January
Naples, FL

Average humidity in January - Naples, FL
  • Average humidity in January: 74%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in January
Naples, FL

Average rainfall in January - Naples, FL
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").

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Average rainfall days in January
Naples, FL

Average rainfall days in January - Naples, FL
  • Average rainfall days in January: 7.7 days

The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).

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Average sea temperature in January
Naples, FL

Average sea temperature in January - Naples, FL
  • Average sea temperature in January: 66.6°F

The best month for swimming (with the highest average sea temperature) is August (87.2°F).
The coldest month (with the lowest average sea temperature) is January (66.6°F).

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Average daylight in January /
Average sunshine in January
Naples, FL

Average daylight in January / Average sunshine in January - Naples, FL
  • Average daylight in January: 10h and 4min

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 January: 7h and 2min

The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in January
Naples, FL

Average sunshine days in January - Naples, FL
  • Average sunshine days in January: 21.8 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).

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Average UV index in January
Naples, FL

Average UV index in January - Naples, FL
  • Average UV index in January: 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 and February (UV index 5).

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Average cloud cover in January
Naples, FL

Average cloud cover in January - Naples, FL
  • Average cloud cover in January: 28

The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).

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Average visibility in January
Naples, FL

Average visibility in January - Naples, 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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Naples, Florida, USA

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