January weather forecastWest Cornwall, CT
January
Weather in January
January, like December, is a freezing cold winter month in West Cornwall, Connecticut, with an average temperature ranging between min 18.9°F (-7.3°C) and max 30.9°F (-0.6°C).Temperature
January stands out as West Cornwall's coldest month, with an average high-temperature of 30.9°F (-0.6°C) and a low-temperature of 18.9°F (-7.3°C).Humidity
The average relative humidity in January is 79%.Rainfall
January is the month with the least rainfall. Rain falls for 7.7 days and accumulates 2.17" (55mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In West Cornwall, Connecticut, in January, during 9.3 snowfall days, 4.57" (116mm) of snow is typically accumulated. In West Cornwall, during the entire year, snow falls for 40.2 days and aggregates up to 20.39" (518mm) of snow.Daylight
In January, the average length of the day in West Cornwall is 9h and 33min.On the first day of January in West Cornwall, sunrise is at 7:20 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:06 pm EST.
Sunshine
The average sunshine in January in West Cornwall is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in West Cornwall. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 2 in January transforms into this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
West Cornwall, CT
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
West Cornwall, CT
- Average pressure in January: 30.04"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
West Cornwall, CT
- Average wind speed in January: 8mph
The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
West Cornwall, CT
- Average humidity in January: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
West Cornwall, CT
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is July (3.54").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in January
West Cornwall, CT
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in January
West Cornwall, CT
- Average snowfall in January: 4.57"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
West Cornwall, CT
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
West Cornwall, CT
- Average daylight in January: 9h and 30min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
West Cornwall, CT
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in January
West Cornwall, CT
- Average UV index in January: 2
The month with the highest UV index is June (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 Cornwall, CT
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
West Cornwall, CT
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
