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, characterized by an average high temperature of 35.8°F (2.1°C) and a low temperature of 26.1°F (-3.3°C), is generally the coldest month.Humidity
The average relative humidity in January is 76%.Rainfall
In Plymouth, Massachusetts, in January, it is raining for 7.4 days, with typically 1.26" (32mm) of accumulated precipitation. In Plymouth, Massachusetts, during the entire year, the rain falls for 132.2 days and collects up to 16.3" (414mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Plymouth, in January, snow falls for 7.1 days, with typically accumulated 1.18" (30mm) of snow. In Plymouth, Massachusetts, during the entire year, snow falls for 23.3 days and aggregates up to 5.87" (149mm) of snow.Ocean temperature
In Plymouth, the average seawater temperature in January is 41.4°F (5.2°C).Note: Swimming in 41.4°F (5.2°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
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
The average sunshine in January in Plymouth 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 health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What month is the coldest in Plymouth?
How cold is January in Plymouth?
What is the average humidity in January in Plymouth?
How many days does it rain in January in Plymouth?
How many days does it snow in January in Plymouth?
What is the water temperature in January in Plymouth?
How many hours of daylight does Plymouth have in January?
What time are sunrise and sunset in January in Plymouth?
How long on average sun shines in January in Plymouth?
What is the month with the lowest UV index in Plymouth?
What is the UV index reading in January in Plymouth?
Average temperature in January
Plymouth, MA
- Average high temperature in January: 35.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Plymouth, 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
Plymouth, MA
- Average wind speed in January: 12.3mph
The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in January
Plymouth, MA
- Average humidity in January: 76%
The month with the highest relative humidity is July (80%).
The months with the lowest relative humidity are March, April and November (74%).
Average rainfall in January
Plymouth, MA
- Average rainfall in January: 1.26"
The wettest months (with the highest rainfall) are July and October (1.65").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in January
Plymouth, MA
- Average rainfall days in January: 7.4 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in January
Plymouth, MA
- Average snowfall in January: 1.18"
The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Plymouth, MA
- Average snowfall days in January: 7.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Plymouth, MA
- Average sea temperature in January: 41.3°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in January /
Average sunshine in January
Plymouth, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in January
Plymouth, MA
- Average sunshine days in January: 17.5 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in January
Plymouth, MA
- Average UV index in January: 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 January
Plymouth, 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
Plymouth, 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).
Plymouth, Massachusetts, USA
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