Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
In Naples, the month of December is known for its lowest average temperatures, reaching a high of 27.3°F (-2.6°C) and a low of 16.3°F (-8.7°C).Humidity
In Naples, the average relative humidity in December is 91%.Rainfall
December is the month with the most rainfall. Rain falls for 11.8 days and accumulates 2.76" (70mm) of precipitation.Snowfall
January through April, September through December are months with snowfall. In December, it is snowing for 17.4 days. Throughout December, 9.45" (240mm) of snow is accumulated. Throughout the year, there are 70.6 snowfall days, and 41.77" (1061mm) of snow is accumulated.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:17 am and sunset at 3:52 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:00 pm PST.
Sunshine
In December, the average sunshine is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in Naples in December?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Naples have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Naples have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Naples, ID
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (27.3°F).
- Average low temperature in December: 16.3°F
The month with the highest average low temperature is August (47.7°F).
The coldest months (with the lowest average low temperature) are January and December (16.3°F).
Average pressure in December
Naples, ID
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Naples, ID
- Average wind speed in December: 3.5mph
The windiest month (with the highest average wind speed) is June (4.3mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in December
Naples, ID
- Average humidity in December: 91%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Naples, ID
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is December (2.76").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in December
Naples, ID
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is August (6.5 days).
Average snowfall in December
Naples, ID
- Average snowfall in December: 9.45"
The month with the highest snowfall is January (11.02").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Naples, ID
- Average snowfall days in December: 17.4 days
The month with the highest number of snowfall days is December (17.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Naples, ID
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Naples, ID
- Average sunshine days in December: 10 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in December
Naples, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Naples, ID
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Naples, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).