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 month of January sees the lowest average temperatures, reaching 25°F (-3.9°C) at the peak and 12.6°F (-10.8°C) at the low.Humidity
January and February, with an average relative humidity of 86%, are the most humid months.Rainfall
In Hanover, during January, the rain falls for 8.9 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 156.9 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hanover are January through May, October through December. In January, it is snowing for 16.5 days. Throughout January, 8.39" (213mm) of snow is accumulated. Throughout the year, there are 75.5 snowfall days, and 40.83" (1037mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 22min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:22 pm. On the last day of January, in Hanover, sunrise is at 7:07 am and sunset at 4:58 pm EST.
Sunshine
In January, the average sunshine is 3.8h.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 during January translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is January?
What is the most humid month in Hanover?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January in Hanover?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Hanover have in January?
How high is the UV index in January?
Average temperature in January
Hanover, NH
- Average high temperature in January: 25°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in January: 12.6°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in January
Hanover, NH
- Average pressure in January: 30.02"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
Hanover, NH
- Average wind speed in January: 7.2mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Hanover, 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 May (75%).
Average rainfall in January
Hanover, NH
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Hanover, NH
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in January
Hanover, NH
- Average snowfall in January: 8.39"
The month with the highest snowfall is February (11.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hanover, NH
- Average snowfall days in January: 16.5 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hanover, 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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in January
Hanover, NH
- Average sunshine days in January: 11.8 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in January
Hanover, 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 February and December (UV index 1).
Average cloud cover in January
Hanover, NH
- Average cloud cover in January: 60
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Hanover, 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).
Hanover, New Hampshire, USA
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