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
The move into December indicates a slight reduction in the average high-temperature, down from November's chilly 48.4°F (9.1°C) to a cold 39.7°F (4.3°C). Nighttime temperature sees a small decrement from daytime highs, dipping to an average of 31.1°F (-0.5°C) during December.Humidity
In December, the average relative humidity is 76%.Rainfall
In December, the rain falls for 7.7 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. In Ipswich, during the entire year, the rain falls for 113.7 days and collects up to 9.69" (246mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Ipswich, during December, snow falls for 4.5 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 23.9 snowfall days, and 3.35" (85mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.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, sunrise is at 7:13 am and sunset at 4:19 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.9h of sunshine.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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Ipswich?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Ipswich?
How many hours of daylight does Ipswich have in December?
What time are sunrise and sunset in December in Ipswich?
What are the months with the least sunshine?
How many hours of sunshine does Ipswich have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
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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