Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The coldest period tends to be January, when average temperatures fluctuate between a high of 71.6°F (22°C) and a low of 59.5°F (15.3°C).Humidity
The average relative humidity in January in Naples is 74%.Rainfall
In Naples, in January, during 7.7 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 162.1 rainfall days, and 21.69" (551mm) of precipitation is accumulated.Ocean temperature
The months with the coldest seawater in Naples are January and February, with an average ocean temperature of 66.7°F (19.3°C).Note: Swimming in water at 66.7°F (19.3°C) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends 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 the month, sunrise is at 7:14 am and sunset at 5:46 pm. On the last day of January, sunrise is at 7:11 am and sunset at 6:09 pm EST.
Sunshine
In Naples, the average sunshine in January is 7.4h.UV index
The months with the lowest UV index are January and February, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during January, leads to the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What is the usual temperature for Naples in January?
What is the average humidity in January?
How many days does it rain in January?
When is the ocean coldest?
What is the ocean temperature in January?
How many hours of daylight does Naples have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January in Naples?
What is the month with the lowest UV index?
What is the UV index intensity in January?
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 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).
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).
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 least 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 least 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: 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).
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).
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).
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).
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).
Naples, Florida, USA
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