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 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 January and February, Harwich registers its lowest temperatures, averaging a high of 39°F (3.9°C).Humidity
In January, the average relative humidity in Harwich, Massachusetts, is 75%.Rainfall
In Harwich, Massachusetts, during January, the rain falls for 9.5 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Harwich, during the entire year, the rain falls for 142.4 days and collects up to 22.09" (561mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Harwich, Massachusetts, during January, snow falls for 6 days and regularly aggregates up to 1.34" (34mm) of snow. In Harwich, during the entire year, snow falls for 20.8 days and aggregates up to 4.37" (111mm) of snow.Daylight
In January, the average length of the day in Harwich, Massachusetts, is 9h and 34min.On the first day of January, sunrise is at 7:07 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:53 pm EST.
Sunshine
In Harwich, the average sunshine in January is 4.5h.UV index
The months with the lowest UV index in Harwich are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the UV index of 2 transforms into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the coldest time of year in Harwich?
How cold is January in Harwich?
What is the average humidity in January in Harwich?
How many days does it rain in January in Harwich?
How many days does it snow in January in Harwich?
How many hours of daylight does Harwich have in January?
What time are sunrise and sunset in January in Harwich?
How many hours of sunshine does Harwich have in January?
What are the months with the lowest UV index in Harwich?
How high is the UV index in January in Harwich?
Average temperature in January
Harwich, 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, 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, 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, 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, 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, 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, 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, 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 daylight in January /
Average sunshine in January
Harwich, 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, 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, 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, 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, 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, Massachusetts, USA
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