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
During the coldest month, January, temperatures average a high of 35.8°F (2.1°C) and a low of 26.1°F (-3.3°C).Humidity
The average relative humidity in January in North Plymouth is 76%.Rainfall
In North Plymouth, during January, the rain falls for 7.4 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 132.2 rainfall days, and 16.3" (414mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In January, it is snowing for 7.1 days. Throughout January, 1.18" (30mm) of snow is accumulated. In North Plymouth, during the entire year, snow falls for 23.3 days and aggregates up to 5.87" (149mm) of snow.Ocean temperature
In North Plymouth, the average seawater temperature in January is 41.4°F (5.2°C).Note: Unprotected swimming in 41.4°F (5.2°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
In January, the average length of the day is 9h and 32min.On the first day of January in North Plymouth, sunrise is at 7:10 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:55 pm EST.
Sunshine
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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, an average UV index of 2 transforms into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How cold is the water in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does North Plymouth have in January?
What is the month with the lowest UV index in North Plymouth?
How high is the UV index in January?
Average temperature in January
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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).
North Plymouth, Massachusetts, USA
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