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, characterized by an average high of 22.5°F (-5.3°C) and a low of 9.3°F (-12.6°C), is recognized as the coldest.Humidity
January and February, with an average relative humidity of 89%, are the most humid months.Rainfall
In Bethlehem, during January, the rain falls for 7.9 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Bethlehem, during the entire year, the rain falls for 164.3 days and collects up to 29.45" (748mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 21.1 days. Throughout January, 12.68" (322mm) of snow is accumulated. Throughout the year, in Bethlehem, there are 99.6 snowfall days, and 57.68" (1465mm) of snow is accumulated.Daylight
In Bethlehem, the average length of the day in January is 9h and 19min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:18 pm. On the last day of January, sunrise is at 7:06 am and sunset at 4:54 pm EST.
Sunshine
In Bethlehem, the average sunshine in January is 3.1h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 1 in January transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Caution! The reflection of snow 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 is the coldest month?
How cold is it in January?
What are the most humid months?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Bethlehem have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January in Bethlehem?
Average temperature in January
Bethlehem, NH
- Average high temperature in January: 22.5°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 (22.5°F).
- Average low temperature in January: 9.3°F
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in January
Bethlehem, NH
- Average pressure in January: 30.01"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
Bethlehem, NH
- Average wind speed in January: 6.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Bethlehem, NH
- Average humidity in January: 89%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in January
Bethlehem, NH
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in January
Bethlehem, NH
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in January
Bethlehem, NH
- Average snowfall in January: 12.68"
The month with the highest snowfall is February (13.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Bethlehem, NH
- Average snowfall days in January: 21.1 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Bethlehem, NH
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in January
Bethlehem, NH
- Average sunshine days in January: 8.2 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in January
Bethlehem, NH
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in January
Bethlehem, NH
- Average cloud cover in January: 69
The month with the most cloud cover is February (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in January
Bethlehem, NH
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, March, September and December (4mi).
Bethlehem, New Hampshire, USA
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