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 sea temperature 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
During the shift to December, Fall River records a mild decrease in average high-temperature, moving from a fresh 50.9°F (10.5°C) in November to an icy 42.1°F (5.6°C). Throughout the month of December, Fall River reports a steady low-temperature average of 31.8°F (-0.1°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Fall River, in December, it is raining for 9.6 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 135.4 rainfall days, and 18.31" (465mm) of precipitation is accumulated.Snowfall
Months with snowfall in Fall River are January through May, November and December. In December, it is snowing for 3.3 days. Throughout December, 1.42" (36mm) of snow is accumulated. In Fall River, during the entire year, snow falls for 21.2 days and aggregates up to 7.17" (182mm) of snow.Ocean temperature
In Fall River, in December, the average water temperature is 47.8°F (8.8°C).Note: Navigating the 47.8°F (8.8°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
The month with the shortest days in Fall River is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:24 pm EST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Fall River. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Fall River?
What is the average humidity in December in Fall River?
How many days does it rain in December in Fall River?
How many days does it snow in December in Fall River?
How cold is the water in December in Fall River?
What is the month with the shortest days in Fall River?
What is the average length of the day in December in Fall River?
When is the sunrise / sunset in December in Fall River?
What are the months with the least sunshine in Fall River?
How long on average sun shines in December in Fall River?
When is the lowest UV index in Fall River?
How high is the UV index in December in Fall River?
Average temperature in December
Fall River, MA
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Fall River, MA
- Average pressure in December: 30.03"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
Fall River, MA
- Average wind speed in December: 10.3mph
The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in December
Fall River, MA
- Average humidity in December: 76%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Fall River, MA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in December
Fall River, MA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Fall River, MA
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Fall River, MA
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Fall River, MA
- Average sea temperature in December: 47.7°F
The best month for swimming (with the highest average sea temperature) is August (69.3°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight in December /
Average sunshine in December
Fall River, MA
- 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Fall River, MA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in December
Fall River, MA
- 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 and December (UV index 2).
Average cloud cover in December
Fall River, MA
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Fall River, MA
- 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).
Fall River, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location
