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 -4.3°C (24.3°F) and a low temperature of -11.8°C (10.8°F), is Jackson's coldest month.Humidity
January and February, with an average relative humidity of 87%, are the most humid months.Rainfall
In Jackson, in January, during 4.2 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 90.5 rainfall days, and 295mm (11.61") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Jackson, during January, snow falls for 8.3 days and regularly aggregates up to 95mm (3.74") of snow. In Jackson, during the entire year, snow falls for 41.7 days and aggregates up to 507mm (19.96") of snow.Daylight
In Jackson, 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, in Jackson, sunrise is at 7:03 am and sunset at 4:52 pm EST.
Sunshine
In January, the average sunshine is 4.6h.UV index
In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in January suggests the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
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 Jackson have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Jackson, NH
- Average high temperature in January: -4.3°C
The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in January: -11.8°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-11.8°C).
Average pressure in January
Jackson, NH
- Average pressure in January: 1015.8mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).
Average wind speed in January
Jackson, NH
- Average wind speed in January: 12.1km/h
The windiest months (with the highest average wind speed) are January and February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).
Average humidity in January
Jackson, NH
- Average humidity in January: 87%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (77%).
Average rainfall in January
Jackson, NH
- Average rainfall in January: 23mm
The wettest months (with the highest rainfall) are April and October (37mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in January
Jackson, NH
- Average rainfall days in January: 4.2 days
The months with the highest number of rainy days are May and July (10.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in January
Jackson, NH
- Average snowfall in January: 95mm
The month with the highest snowfall is February (115mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Jackson, NH
- Average snowfall days in January: 8.3 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jackson, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
Jackson, NH
- Average sunshine days in January: 22.6 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (18.2 days).
Average UV index in January
Jackson, NH
- Average UV index in January: 2
The months with the highest UV index are 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
Jackson, NH
- Average cloud cover in January: 52
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in January
Jackson, NH
- Average visibility in January: 7km
The months with the highest visibility are April, May, June, July, August, November and December (8km).
The months with the lowest visibility are January, February, March, September and October (7km).
Jackson, New Hampshire, USA
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