January weather forecastMarion, MA
January
Weather in January
January, like December, in Marion, Massachusetts, is an icy winter month, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 27.3°F (-2.6°C).Temperature
The coldest period tends to be January, when average temperatures fluctuate between a high of 36.7°F (2.6°C) and a low of 27.3°F (-2.6°C).Humidity
In Marion, the average relative humidity in January is 75%.Rainfall
In Marion, during January, the rain falls for 8.5 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Marion, during the entire year, the rain falls for 136.3 days and collects up to 15.63" (397mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Marion, Massachusetts, in January, snow falls for 6.6 days, with typically accumulated 0.83" (21mm) of snow. In Marion, during the entire year, snow falls for 21.6 days and aggregates up to 4.29" (109mm) of snow.Ocean temperature
In January, the average ocean temperature is 41.4°F (5.2°C).Note: Taking a dip in 41.4°F (5.2°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.
Daylight
The average length of the day in January is 9h and 34min.On the first day of January, sunrise is at 7:09 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:56 pm EST.
Sunshine
In Marion, the average sunshine in January is 5.1h.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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Marion, MA
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in January: 27.3°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in January
Marion, 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
Marion, MA
- Average wind speed in January: 12.9mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in January
Marion, MA
- Average humidity in January: 75%
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
Marion, MA
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in January
Marion, MA
- Average rainfall days in January: 8.5 days
The months with the highest number of rainy days are May and July (14.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in January
Marion, MA
- Average snowfall in January: 0.83"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Marion, MA
- Average snowfall days in January: 6.6 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in January
Marion, 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
Marion, MA
- Average daylight in January: 9h and 36min
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 6min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Marion, MA
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in January
Marion, 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
Marion, MA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Marion, 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).





