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
With average temperatures fluctuating between a high of 38.3°F (3.5°C) and a low of 30.4°F (-0.9°C), January stands out as the coldest month in Barnstable, Massachusetts.Humidity
In January, the average relative humidity is 75%.Rainfall
In Barnstable, during January, the rain falls for 8.2 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Barnstable, during the entire year, the rain falls for 129.6 days and collects up to 13.94" (354mm) of precipitation.Snowfall
Months with snowfall in Barnstable, Massachusetts, are January through April and December. The months with the most snowfall are January and February, with an average 0.63" (16mm) of accumulated snow.Ocean temperature
In Barnstable, in January, the average water temperature is 41.5°F (5.3°C).Note: It is life-risking to swim in 41.5°F (5.3°C). Briefly staying in 55.4°F (13°C) waters feels unsettling, and temperatures below 50°F (10°C) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
In Barnstable, the average length of the day in January is 9h and 34min.On the first day of the month, sunrise is at 7:08 am and sunset at 4:21 pm. On the last day of January, sunrise is at 6:54 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in January in Barnstable is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Barnstable. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the coldest months in Barnstable?
Is it cold in Barnstable during January?
What is the average humidity in January in Barnstable?
How much does it rain in Barnstable in January?
What is the snowiest month in Barnstable?
How much does it snow in Barnstable in January?
What is the water temperature in January in Barnstable?
What is the average length of the day in January in Barnstable?
When are sunrise and sunset in January in Barnstable?
How many hours of sunshine does Barnstable have in January?
What is the month with the lowest UV index in Barnstable?
What is the UV index reading in January in Barnstable?
Average temperature in January
Barnstable, MA
- Average high temperature in January: 38.3°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in January: 30.4°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in January
Barnstable, 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
Barnstable, MA
- Average wind speed in January: 16.4mph
The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in January
Barnstable, MA
- Average humidity in January: 75%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in January
Barnstable, MA
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in January
Barnstable, MA
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in January
Barnstable, MA
- Average snowfall in January: 0.63"
The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in January
Barnstable, 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, September and October (0 days).
Average sea temperature in January
Barnstable, MA
- Average sea temperature in January: 41.5°F
The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight in January /
Average sunshine in January
Barnstable, MA
- Average daylight in January: 9h and 4min
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: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in January
Barnstable, MA
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in January
Barnstable, 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
Barnstable, MA
- Average cloud cover in January: 48
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Barnstable, 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).
Barnstable, Massachusetts, USA
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