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
Chester's coldest weather arrives in January, when temperatures average a high of 28.9°F (-1.7°C) and a low of 17.1°F (-8.3°C).Humidity
In January, the average relative humidity is 81%.Rainfall
In January, the rain falls for 7.8 days. Throughout January, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 155.8 rainfall days, and 32.87" (835mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Chester, during January, snow falls for 11.2 days and regularly aggregates up to 6.26" (159mm) of snow. In Chester, during the entire year, snow falls for 54.3 days and aggregates up to 34.45" (875mm) of snow.Daylight
The average length of the day in January is 9h and 31min.On the first day of January, sunrise is at 7:20 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:04 pm EST.
Sunshine
In January, the average sunshine is 4.5h.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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Chester, MA
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
Chester, MA
- Average pressure in January: 30.03"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Chester, MA
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Chester, MA
- Average humidity in January: 81%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Chester, MA
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in January
Chester, MA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in January
Chester, MA
- Average snowfall in January: 6.26"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Chester, MA
- Average snowfall days in January: 11.2 days
The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Chester, MA
- Average daylight in January: 9h and 3min
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 6min).
- Average sunshine in January: 4h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in January
Chester, MA
- Average sunshine days in January: 16 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in January
Chester, MA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Chester, MA
- Average cloud cover in January: 51
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in January
Chester, MA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Chester, Massachusetts, USA
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