Naples
Florida, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Naples, FL

Magnificent aerial view of the white sandy shores of Naples in Florida, complete with a view of the city structure and plantation
Magnificent aerial view of the white sandy shores of Naples in Florida, complete with a view of the city structure and plantation
January, the same as December, in Naples, Florida, is an agreeable winter month, with average temperature fluctuating between 71.6°F (22°C) and 59.5°F (15.3°C).

Temperature

With an average high-temperature of 71.6°F (22°C) and an average low-temperature of 59.5°F (15.3°C), January is the coldest month.

Humidity

In Naples, the average relative humidity is 74%.

Rainfall

In Naples, during 7.7 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Naples, 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, Florida.
Note: Swimming in 66.7°F (19.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in January is 10.7h.

Sunshine

The average sunshine in January is 7.4h.

UV index

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 moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the coldest month in Naples?

January is the coldest month in Naples, Florida, with 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 temperature in January in Naples?

In Naples, in January, the average high-temperature is 71.6°F (22°C), and the average low-temperature is 59.5°F (15.3°C).

What is the average humidity in January in Naples?

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

How much does it rain in Naples in January?

In Naples, Florida, in January, during 7.7 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

What months are 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 in Naples.

What is the ocean temperature in January in Naples?

In January, the average ocean temperature in Naples 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).

How many hours of daylight does Naples have in January?

In January, the average length of the day in Naples is 10.7h.

How long on average sun shines in January in Naples?

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

When is the lowest UV index in Naples?

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

How high is the UV index in January in Naples?

The average daily maximum UV index in January in Naples, Florida, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
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).

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%).

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 lowest rainfall) is March (0.63").

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 lowest number of rainy days is February (7 days).

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).

Average daylight in January / Average sunshine in January - Naples, FL
  • Average daylight in January: 10.7h

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.5h).

  • Average sunshine in January: 7.4h

Months with most sunshine are May and July (Average sunshine: 11.1h).
The month with least sunshine is December (Average sunshine: 6.7h).

Average UV index in January - Naples, FL
  • Average UV index in January: 5

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