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
West Harwich's January weather, marked by an average high temperature of 38.5°F (3.6°C) and an average low temperature of 30.6°F (-0.8°C), is the coldest in the year.Humidity
In West Harwich, the average relative humidity in January is 75%.Rainfall
In West Harwich, in January, it is raining for 8.4 days, with typically 1.06" (27mm) of accumulated precipitation. In West Harwich, during the entire year, the rain falls for 129 days and collects up to 14.21" (361mm) of precipitation.Snowfall
Months with snowfall are January through April and December. The month with the most snowfall is January, when snow falls for 6.4 days and typically aggregates up to 0.87" (22mm) of snow.Daylight
In January, the average length of the day in West Harwich 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, in West Harwich, sunrise is at 6:53 am and sunset at 4:54 pm EST.
Sunshine
In West Harwich, the average sunshine in January is 4.8h.UV index
The months with the lowest UV index in West Harwich 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 ordinary individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What time of the year is the coldest in West Harwich?
Is it cold in West Harwich during January?
What is the average humidity in January in West Harwich?
How many days does it rain in January in West Harwich?
When does it snow the most in West Harwich?
How much does it snow in West Harwich in January?
How many hours of daylight does West Harwich have in January?
When are sunrise and sunset in January in West Harwich?
How long on average sun shines in January in West Harwich?
What are the months with the lowest UV index in West Harwich?
What is the UV index intensity in January in West Harwich?
Average temperature in January
West Harwich, MA
- Average high temperature in January: 38.5°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in January: 30.6°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in January
West Harwich, 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
West Harwich, MA
- Average wind speed in January: 16.8mph
The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in January
West Harwich, MA
- Average humidity in January: 75%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in January
West Harwich, MA
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in January
West Harwich, MA
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in January
West Harwich, MA
- Average snowfall in January: 0.87"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in January
West Harwich, MA
- Average snowfall days in January: 6.4 days
The month with the highest number of snowfall days is January (6.4 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
West 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in January
West Harwich, MA
- Average sunshine days in January: 15.4 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in January
West 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
West Harwich, MA
- Average cloud cover in January: 48
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
West 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).
West Harwich, Massachusetts, USA
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