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
Temperature readings reach their annual highs in January, averaging 38.7°F (3.7°C) and a minimum average of 30.2°F (-1°C).Humidity
In January, the average relative humidity is 75%.Rainfall
In January, the rain falls for 7.1 days. Throughout January, 0.47" (12mm) of precipitation is accumulated. In West Chop, during the entire year, the rain falls for 89.3 days and collects up to 6.14" (156mm) of precipitation.Snowfall
January through March and December are months with snowfall. The months with the most snowfall are January and February, with an average 0.24" (6mm) of accumulated snow.Daylight
In West Chop, the average length of the day in January is 9h and 35min.On the first day of the month, sunrise is at 7:08 am and sunset at 4:22 pm. On the last day of January, sunrise is at 6:55 am and sunset at 4:56 pm EST.
Sunshine
The average sunshine in January is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In January, the UV index of 2 transforms into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does West Chop have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
West Chop, MA
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in January: 30.2°F
The month with the highest average low temperature is August (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in January
West Chop, 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 Chop, MA
- Average wind speed in January: 16mph
The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.7mph).
Average humidity in January
West Chop, 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
West Chop, MA
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is October (0.83").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in January
West Chop, MA
- Average rainfall days in January: 7.1 days
The month with the highest number of rainy days is July (9.1 days).
The months with the least rainy days are September and November (5.9 days).
Average snowfall in January
West Chop, MA
- Average snowfall in January: 0.24"
The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
West Chop, MA
- Average snowfall days in January: 5.6 days
The month with the highest number of snowfall days is January (5.6 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
West Chop, MA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
West Chop, MA
- Average sunshine days in January: 20.9 days
The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is February (18.5 days).
Average UV index in January
West Chop, 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 Chop, MA
- Average cloud cover in January: 48
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
West Chop, 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 Chop, Massachusetts, USA
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