December weather forecastGlendale, RI
December
Weather in December
December, the first month of the winter in Glendale, is still a cold month, with an average temperature fluctuating between 27.7°F (-2.4°C) and 39°F (3.9°C).Temperature
December brings a minor decrease, with the average high-temperature reducing from a frosty 48.9°F (9.4°C) in November to a wintry 39°F (3.9°C). Glendale in December anticipates an average nighttime temperature of 27.7°F (-2.4°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Glendale, during December, the rain falls for 10.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Glendale, there are 141.4 rainfall days, and 23.86" (606mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 4.7 days. Throughout December, 1.65" (42mm) of snow is accumulated. Throughout the year, there are 27.6 snowfall days, and 11.34" (288mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:55 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:25 pm EST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glendale, RI
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Glendale, 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
Glendale, RI
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Glendale, RI
- Average humidity in December: 77%
The months with the highest relative humidity are February, September and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Glendale, RI
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in December
Glendale, RI
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (7 days).
Average snowfall in December
Glendale, RI
- Average snowfall in December: 1.65"
The month with the highest snowfall is March (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glendale, RI
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glendale, RI
- Average daylight in December: 9h and 12min
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 42min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Glendale, RI
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (13 days).
Average UV index in December
Glendale, 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
Glendale, RI
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Glendale, 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).





