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 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
With the onset of December, a modest change to a pleasant 72.3°F (22.4°C) from November's 76.6°F (24.8°C) is noted in high-temperature. December nights are marked by an average low-temperature of 57.6°F (14.2°C).Humidity
The months with the highest humidity are September and December, with an average relative humidity of 76%.Rainfall
In Riverview, Florida, during December, the rain falls for 6 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 148.4 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Daylight
With an average of 10h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:03 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:45 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.4h of sunshine.UV index
In Riverview, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 in December translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Riverview in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain 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 Riverview have in December?
What is the UV index intensity in December?
Average temperature in December
Riverview, FL
- Average high temperature in December: 72.3°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in December: 57.6°F
The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (52.7°F).
Average pressure in December
Riverview, FL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Riverview, FL
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in December
Riverview, FL
- Average humidity in December: 76%
The months with the highest relative humidity are September and December (76%).
The months with the lowest relative humidity are March and May (70%).
Average rainfall in December
Riverview, FL
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is March (0.24").
Average rainfall days in December
Riverview, FL
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is January (4.9 days).
Average daylight in December /
Average sunshine in December
Riverview, FL
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Riverview, FL
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is July (4.7 days).
Average UV index in December
Riverview, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Riverview, FL
- Average cloud cover in December: 31
The months with the most cloud cover are January and December (Cloud cover 31).
The month with the least cloud cover is May (Cloud cover 23).
Average visibility in December
Riverview, 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).
Riverview, Florida, USA
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