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 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
Weather in December
Temperature
The advent of December signifies a minor shift to an average high-temperature of an agreeable 70.3°F (21.3°C), aligning closely with November. Throughout the nights in December, Santos experiences an average low-temperature of 53.4°F (11.9°C).Humidity
In December, the average relative humidity is 76%.Rainfall
In Santos, Florida, during December, the rain falls for 8.2 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Santos, during the entire year, the rain falls for 159.3 days and collects up to 21.1" (536mm) of precipitation.Snowfall
In Santos, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of December in Santos, sunrise is at 7:05 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:41 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 6h of sunshine.UV index
In December, the average daily maximum UV index in Santos is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in December interprets into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Santos have in December?
What is the UV index reading in December?
Average temperature in December
Santos, FL
- Average high temperature in December: 70.3°F
The warmest months (with the highest average high temperature) are July and August (90.1°F).
The month with the lowest average high temperature is January (66.6°F).
- Average low temperature in December: 53.4°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure in December
Santos, FL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in December
Santos, FL
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Santos, FL
- Average humidity in December: 76%
The months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Santos, FL
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is March (0.71").
Average rainfall days in December
Santos, FL
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is November (7 days).
Average snowfall days in December
Santos, FL
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Santos, FL
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is May (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Santos, FL
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is July (6.3 days).
Average UV index in December
Santos, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Santos, FL
- Average cloud cover in December: 37
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 29).
Average visibility in December
Santos, FL
- Average visibility in December: 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).
Santos, Florida, USA
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