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
The coldest time of the year is January, with temperatures averaging a high of 31.5°F (-0.3°C) and a low of 19.6°F (-6.9°C).Humidity
In January, the average relative humidity is 79%.Rainfall
In January, the rain falls for 7.8 days. Throughout January, 2.44" (62mm) of precipitation is accumulated. In Charlton, during the entire year, the rain falls for 151.1 days and collects up to 31.26" (794mm) of precipitation.Snowfall
Months with snowfall in Charlton are January through May, October through December. In Charlton, during January, snow falls for 8.8 days and regularly aggregates up to 3.58" (91mm) of snow. Throughout the year, there are 37.7 snowfall days, and 20.59" (523mm) of snow is accumulated.Daylight
The average length of the day in January in Charlton is 9h and 31min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:26 pm. On the last day of January, in Charlton, sunrise is at 7:02 am and sunset at 5:00 pm EST.
Sunshine
The average sunshine in January is 4.8h.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What time of the year is the coldest in Charlton?
How cold is it in Charlton in January?
What is the average humidity in January in Charlton?
How many days does it rain in January in Charlton?
How much does it snow in Charlton in January?
How many hours of daylight does Charlton have in January?
What time are sunrise and sunset in January in Charlton?
How many hours of sunshine does Charlton have in January?
What is the month with the lowest UV index in Charlton?
What is the UV index reading in January in Charlton?
Average temperature in January
Charlton, MA
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in January: 19.6°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in January
Charlton, MA
- Average pressure in January: 30.02"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Charlton, MA
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Charlton, MA
- Average humidity in January: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Charlton, MA
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Charlton, MA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in January
Charlton, MA
- Average snowfall in January: 3.58"
The months with the highest snowfall are February and March (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Charlton, MA
- Average snowfall days in January: 8.8 days
The month with the highest number of snowfall days is March (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Charlton, 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: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Charlton, MA
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in January
Charlton, MA
- Average UV index in January: 2
The months with the highest UV index are June and July (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
Charlton, MA
- Average cloud cover in January: 47
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Charlton, MA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Charlton, Massachusetts, USA
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