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
Harwich Port's coldest period falls in January and February, when the average high-temperatures ascend to 39°F (3.9°C).Humidity
In January, the average relative humidity is 75%.Rainfall
In Harwich Port, Massachusetts, in January, it is raining for 9.5 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in Harwich Port, Massachusetts, there are 142.4 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In January, in Harwich Port, Massachusetts, it is snowing for 6 days. Throughout January, 1.34" (34mm) of snow is accumulated. In Harwich Port, Massachusetts, during the entire year, snow falls for 20.8 days and aggregates up to 4.37" (111mm) of snow.Ocean temperature
In Harwich Port, the average seawater temperature in January is 41.5°F (5.3°C).Note: One needs to be cautious in 41.5°F (5.3°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
In January, the average length of the day in Harwich Port is 9h and 34min.On the first day of the month, sunrise is at 7:07 am and sunset at 4:20 pm. On the last day of January, sunrise is at 6:53 am and sunset at 4:53 pm EST.
Sunshine
The average sunshine in January in Harwich Port is 4.5h.UV index
The months with the lowest UV index in Harwich Port are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What part of the year is the coldest in Harwich Port?
How cold is it in Harwich Port in January?
What is the average humidity in January in Harwich Port?
How many days does it rain in January in Harwich Port?
How much does it snow in Harwich Port in January?
How cold is the water in January in Harwich Port?
What is the average length of the day in January in Harwich Port?
When are sunrise and sunset in January in Harwich Port?
How many hours of sunshine does Harwich Port have in January?
What is the month with the lowest UV index in Harwich Port?
What is the UV index reading in January in Harwich Port?
Average temperature in January
Harwich Port, MA
- Average high temperature in January: 39°F
The warmest month (with the highest average high temperature) is August (71.6°F).
The months with the lowest average high temperature are January and February (39°F).
- Average low temperature in January: 31.6°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 (31.6°F).
Average pressure in January
Harwich Port, MA
- Average pressure in January: 29.99"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
Harwich Port, MA
- Average wind speed in January: 18mph
The windiest month (with the highest average wind speed) is January (18mph).
The calmest month (with the lowest average wind speed) is August (11.4mph).
Average humidity in January
Harwich Port, MA
- Average humidity in January: 75%
The months with the highest relative humidity are June and July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall in January
Harwich Port, MA
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is November (1.46").
Average rainfall days in January
Harwich Port, MA
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in January
Harwich Port, MA
- Average snowfall in January: 1.34"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Harwich Port, MA
- Average snowfall days in January: 6 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Harwich Port, 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
Harwich Port, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in January
Harwich Port, MA
- Average sunshine days in January: 13 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is January (13 days).
Average UV index in January
Harwich Port, 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
Harwich Port, MA
- Average cloud cover in January: 52
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Harwich Port, 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).
Harwich Port, Massachusetts, USA
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