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's arrival signals a moderate reduction in the average high-temperature, easing from a chilly 48.4°F (9.1°C) in November to a cold 39.7°F (4.3°C). Ipswich observes an average low-temperature of 31.1°F (-0.5°C) during the slightly cooler nights of December.Humidity
In Ipswich, the average relative humidity in December is 76%.Rainfall
In Ipswich, during December, the rain falls for 7.7 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Ipswich, there are 113.7 rainfall days, and 9.69" (246mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Ipswich, Massachusetts. In Ipswich, in December, during 4.5 snowfall days, 0.59" (15mm) of snow is typically accumulated. In Ipswich, Massachusetts, during the entire year, snow falls for 23.9 days and aggregates up to 3.35" (85mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:54 am and sunset at 4:10 pm. On the last day of December, in Ipswich, sunrise is at 7:13 am and sunset at 4:19 pm EST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Ipswich.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
Is December cold in Ipswich?
What is the average humidity in December in Ipswich?
How much does it rain in Ipswich in December?
How much does it snow in Ipswich in December?
What is the month with the shortest days in Ipswich?
How many hours of daylight does Ipswich have in December?
When are sunrise and sunset in December in Ipswich?
What are the months with the least sunshine in Ipswich?
How long on average sun shines in December in Ipswich?
When is the lowest UV index in Ipswich?
What is the UV index reading in December in Ipswich?
Average temperature in December
Ipswich, MA
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in December
Ipswich, MA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Ipswich, MA
- Average wind speed in December: 12.6mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in December
Ipswich, MA
- Average humidity in December: 76%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Ipswich, MA
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Ipswich, MA
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in December
Ipswich, MA
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Ipswich, MA
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Ipswich, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Ipswich, MA
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (16 days).
Average UV index in December
Ipswich, MA
- Average UV index in December: 2
The months with the highest UV index are 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
Ipswich, MA
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Ipswich, 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).
Ipswich, Massachusetts, USA
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