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
Weather in December
Temperature
December ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 49.1°F (9.5°C) to a cold 39.6°F (4.2°C). During December, Forestdale consistently records a temperature low averaging a subzero cold 28.2°F (-2.1°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In December, in Forestdale, the rain falls for 10.4 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. In Forestdale, during the entire year, the rain falls for 144.7 days and collects up to 28.15" (715mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Forestdale, during December, snow falls for 4.8 days and regularly aggregates up to 3.39" (86mm) of snow. Throughout the year, in Forestdale, there are 28.8 snowfall days, and 14.65" (372mm) of snow is accumulated.Daylight
The month with the shortest days in Forestdale, Rhode Island, is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:15 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:24 pm EST.
Sunshine
In Forestdale, the average sunshine in December is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Forestdale?
What is the average humidity in December in Forestdale?
How much does it rain in Forestdale in December?
How many days does it snow in December in Forestdale?
What is the month with the shortest days in Forestdale?
What is the average length of the day in December in Forestdale?
When is the sunrise / sunset in December in Forestdale?
How long on average sun shines in December in Forestdale?
What is the month with the lowest UV index in Forestdale?
What is the UV index intensity in December in Forestdale?
Average temperature in December
Forestdale, RI
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Forestdale, RI
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Forestdale, RI
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Forestdale, RI
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Forestdale, RI
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in December
Forestdale, RI
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (7.9 days).
Average snowfall in December
Forestdale, RI
- Average snowfall in December: 3.39"
The month with the highest snowfall is March (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Forestdale, RI
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Forestdale, RI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Forestdale, RI
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in December
Forestdale, RI
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Forestdale, RI
- Average cloud cover in December: 49
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Forestdale, RI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Forestdale, Rhode Island, USA
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