Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January brings the lowest temperatures, with an average high of 35.8°F (2.1°C) and an average low of 26.2°F (-3.2°C).Humidity
In January, the average relative humidity in South Duxbury is 76%.Rainfall
In South Duxbury, during January, the rain falls for 6.9 days and regularly aggregates up to 0.87" (22mm) of precipitation. In South Duxbury, Massachusetts, during the entire year, the rain falls for 120.2 days and collects up to 12.24" (311mm) of precipitation.Snowfall
Months with snowfall in South Duxbury are January through April, November and December. In South Duxbury, in January, snow falls for 6 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 21 snowfall days, and 3.54" (90mm) of snow is accumulated.Ocean temperature
In South Duxbury, Massachusetts, the average seawater temperature in January is 41.5°F (5.3°C).Note: You can swim in 41.5°F (5.3°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.
Daylight
In South Duxbury, the average length of the day in January is 9h and 32min.On the first day of the month, sunrise is at 7:10 am and sunset at 4:21 pm. On the last day of January, sunrise is at 6:56 am and sunset at 4:55 pm EST.
Sunshine
In South Duxbury, the average sunshine in January is 5h.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 low threat to health from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in January transforms into this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What month is the coldest in South Duxbury?
How cold is January in South Duxbury?
What is the average humidity in January in South Duxbury?
How much does it rain in South Duxbury in January?
How many days does it snow in January in South Duxbury?
What is the water temperature in January in South Duxbury?
How many hours of daylight does South Duxbury have in January?
When is the sunrise / sunset in January in South Duxbury?
How long on average sun shines in January in South Duxbury?
When is the lowest UV index in South Duxbury?
What is the UV index intensity in January in South Duxbury?
Average temperature in January
South Duxbury, MA
- Average high temperature in January: 35.8°F
The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in January: 26.2°F
The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in January
South Duxbury, MA
- Average pressure in January: 30"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
South Duxbury, MA
- Average wind speed in January: 13mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in January
South Duxbury, MA
- Average humidity in January: 76%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in January
South Duxbury, MA
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in January
South Duxbury, MA
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in January
South Duxbury, MA
- Average snowfall in January: 0.75"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
South Duxbury, MA
- Average snowfall days in January: 6 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in January
South Duxbury, MA
- Average sea temperature in January: 41.5°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in January /
Average sunshine in January
South Duxbury, MA
- Average daylight in January: 9h and 3min
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 January: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in January
South Duxbury, MA
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in January
South Duxbury, MA
- Average UV index in January: 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 January
South Duxbury, MA
- Average cloud cover in January: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
South Duxbury, MA
- Average visibility in January: 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).
South Duxbury, Massachusetts, USA
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