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 is the coldest month, with the temperature often reaching an average high of 24.3°F (-4.3°C) and an average low of 10.6°F (-11.9°C).Humidity
In Bartlett, the average relative humidity in January is 87%.Rainfall
In Bartlett, in January, during 11.4 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 177.3 rainfall days, and 35.35" (898mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Bartlett, in January, during 17.8 snowfall days, 12.4" (315mm) of snow is typically accumulated. Throughout the year, there are 83 snowfall days, and 60.39" (1534mm) of snow is accumulated.Daylight
In Bartlett, the average length of the day in January is 9h and 20min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:16 pm. On the last day of January, sunrise is at 7:03 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in January is 4.3h.UV index
In Bartlett, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 in January translates into these instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in 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?
How high is the UV index in January?
Average temperature in January
Bartlett, NH
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in January: 10.6°F
The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in January
Bartlett, NH
- Average pressure in January: 30"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Bartlett, NH
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Bartlett, NH
- Average humidity in January: 87%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (77%).
Average rainfall in January
Bartlett, NH
- Average rainfall in January: 2.8"
The wettest month (with the highest rainfall) is October (3.9").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in January
Bartlett, NH
- Average rainfall days in January: 11.4 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in January
Bartlett, NH
- Average snowfall in January: 12.4"
The month with the highest snowfall is February (16.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Bartlett, NH
- Average snowfall days in January: 17.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Bartlett, 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: 8h and 54min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in January
Bartlett, NH
- Average sunshine days in January: 10.1 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in January
Bartlett, NH
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in January
Bartlett, NH
- Average cloud cover in January: 56
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in January
Bartlett, NH
- Average visibility in January: 4mi
The months with the highest visibility are May, June, July, August and November (5mi).
The months with the lowest visibility are January, February, March, April, September, October and December (4mi).
Bartlett, New Hampshire, USA
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