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
Bristol reaches its lowest average temperatures in January, measuring 25.7°F (-3.5°C) at the peak and 12.7°F (-10.7°C) at the lowest.Humidity
January and February, with an average relative humidity of 86%, are the most humid months.Rainfall
In Bristol, in January, during 10.1 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 157.6 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Bristol, in January, snow falls for 14.5 days, with typically accumulated 7.64" (194mm) of snow. Throughout the year, there are 64.6 snowfall days, and 35.98" (914mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 23min.On the first day of the month, sunrise is at 7:20 am and sunset at 4:20 pm. On the last day of January, sunrise is at 7:04 am and sunset at 4:56 pm EST.
Sunshine
In January, the average sunshine is 4.4h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during January translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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 it in January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Bristol have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Bristol have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Bristol, NH
- Average high temperature in January: 25.7°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in January: 12.7°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in January
Bristol, NH
- 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 (29.91"Hg).
Average wind speed in January
Bristol, NH
- Average wind speed in January: 7.1mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Bristol, NH
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Bristol, NH
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Bristol, NH
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is April (15.7 days).
The month with the least rainy days is January (10.1 days).
Average snowfall in January
Bristol, NH
- Average snowfall in January: 7.64"
The month with the highest snowfall is February (9.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Bristol, NH
- Average snowfall days in January: 14.5 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Bristol, NH
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 4h and 2min
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 0min).
Average sunshine days in January
Bristol, NH
- Average sunshine days in January: 12.6 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in January
Bristol, 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
Bristol, NH
- Average cloud cover in January: 53
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in January
Bristol, NH
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
Bristol, New Hampshire, USA
Weather forecast for your location
2. Allow the app to use your location