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
January, recording an average high temperature of 28.4°F (-2°C) and a low temperature of 16.2°F (-8.8°C), is Winchester's coldest month.Humidity
The average relative humidity in January in Winchester is 83%.Rainfall
In Winchester, in January, during 8.5 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, in Winchester, there are 146.7 rainfall days, and 27.2" (691mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Winchester, in January, during 9.6 snowfall days, 6.06" (154mm) of snow is typically accumulated. Throughout the year, there are 43.8 snowfall days, and 27.28" (693mm) of snow is accumulated.Daylight
In Winchester, the average length of the day in January is 9h and 28min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:25 pm. On the last day of January, sunrise is at 7:05 am and sunset at 5:00 pm EST.
Sunshine
In January, the average sunshine is 5.1h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Winchester. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Winchester?
How cold is January in Winchester?
What is the average humidity in January in Winchester?
How many days does it rain in January in Winchester?
How much does it snow in Winchester in January?
How many hours of daylight does Winchester have in January?
When is the sunrise / sunset in January in Winchester?
How many hours of sunshine does Winchester have in January?
What are the months with the lowest UV index in Winchester?
What is the UV index reading in January in Winchester?
Average temperature in January
Winchester, NH
- Average high temperature in January: 28.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in January
Winchester, NH
- 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 (29.92"Hg).
Average wind speed in January
Winchester, NH
- Average wind speed in January: 7.8mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Winchester, NH
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Winchester, NH
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Winchester, NH
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in January
Winchester, NH
- Average snowfall in January: 6.06"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Winchester, NH
- Average snowfall days in January: 9.6 days
The month with the highest number of snowfall days is February (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Winchester, NH
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- 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 36min).
Average sunshine days in January
Winchester, NH
- Average sunshine days in January: 16.7 days
The months with the most sunshine days are January and November (16.7 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in January
Winchester, NH
- 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, October, November and December (UV index 2).
Average cloud cover in January
Winchester, NH
- Average cloud cover in January: 46
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Winchester, NH
- 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).
Winchester, New Hampshire, USA
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