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
Chartley experiences its lowest temperatures in January, with an average peak of 34.3°F (1.3°C) and a low of 22.5°F (-5.3°C).Humidity
The average relative humidity in January is 77%.Rainfall
In January, the rain falls for 8.3 days. Throughout January, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 149.9 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Chartley, in January, during 7.8 snowfall days, 2.72" (69mm) of snow is typically accumulated. Throughout the year, there are 29.8 snowfall days, and 14.13" (359mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 32min.On the first day of the month, sunrise is at 7:12 am and sunset at 4:23 pm. On the last day of January, sunrise is at 6:58 am and sunset at 4:57 pm EST.
Sunshine
The average sunshine in January is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
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?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Chartley, MA
- Average high temperature in January: 34.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in January
Chartley, MA
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Chartley, MA
- Average wind speed in January: 9.2mph
The windiest months (with the highest average wind speed) are February and March (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in January
Chartley, MA
- Average humidity in January: 77%
The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Chartley, MA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in January
Chartley, MA
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Chartley, MA
- Average snowfall in January: 2.72"
The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Chartley, MA
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Chartley, 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 12min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Chartley, MA
- Average sunshine days in January: 17.1 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in January
Chartley, MA
- Average UV index in January: 2
The months with the highest UV index are June, 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
Chartley, MA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Chartley, MA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Chartley, Massachusetts, USA
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