January weather forecastCohasset, MA
January
Weather in January
January, the same as December, is a wintry winter month in Cohasset, Massachusetts, with an average temperature fluctuating between 24.3°F (-4.3°C) and 34.5°F (1.4°C).Temperature
January, on average, is the coldest month, registering a high temperature of 34.5°F (1.4°C) and a low of 24.3°F (-4.3°C).Humidity
The average relative humidity in January is 76%.Rainfall
In Cohasset, during January, the rain falls for 8.6 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 152 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Cohasset, in January, during 8 snowfall days, 2.6" (66mm) of snow is typically accumulated. Throughout the year, there are 28 snowfall days, and 12.48" (317mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 31min.On the first day of the month, sunrise is at 7:11 am and sunset at 4:21 pm. On the last day of January, sunrise is at 6:57 am and sunset at 4:55 pm EST.
Sunshine
The average sunshine in January is 5.1h.UV index
The months with the lowest UV index in Cohasset are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Cohasset, MA
- Average high temperature in January: 34.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in January: 24.3°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 (24.3°F).
Average pressure in January
Cohasset, 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
Cohasset, MA
- Average wind speed in January: 11.1mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in January
Cohasset, MA
- Average humidity in January: 76%
The months with the highest relative humidity are February, June and September (77%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Cohasset, MA
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in January
Cohasset, MA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in January
Cohasset, MA
- Average snowfall in January: 2.6"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Cohasset, MA
- Average snowfall days in January: 8 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Cohasset, MA
- Average daylight in January: 9h and 30min
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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in January
Cohasset, MA
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in January
Cohasset, 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
Cohasset, MA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Cohasset, 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).
