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
In Mount Holly, the lowest average temperatures are observed in January, with a high of 37.8°F (3.2°C) and a low of 25.5°F (-3.6°C).Humidity
In January, the average relative humidity is 74%.Rainfall
The month with the least rainfall in Mount Holly is January, when the rain falls for 6.3 days and typically collects 0.63" (16mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Mount Holly, New Jersey, during January, snow falls for 3.9 days and regularly aggregates up to 0.91" (23mm) of snow. In Mount Holly, during the entire year, snow falls for 12.9 days and aggregates up to 3.23" (82mm) of snow.Daylight
The average length of the day in January in Mount Holly is 9h and 43min.On the first day of the month, sunrise is at 7:20 am and sunset at 4:44 pm. On the last day of January, in Mount Holly, sunrise is at 7:08 am and sunset at 5:16 pm EST.
Sunshine
In January, the average sunshine in Mount Holly is 5h.UV index
The months with the lowest UV index in Mount Holly are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the coldest month in Mount Holly?
How cold is it in Mount Holly in January?
What is the average humidity in January in Mount Holly?
What is the driest month in Mount Holly?
How much does it rain in Mount Holly in January?
How much does it snow in Mount Holly in January?
What is the average length of the day in January in Mount Holly?
When is the sunrise / sunset in January in Mount Holly?
How many hours of sunshine does Mount Holly have in January?
What are the months with the lowest UV index in Mount Holly?
What is the UV index reading in January in Mount Holly?
Average temperature in January
Mount Holly, NJ
- Average high temperature in January: 37.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in January: 25.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in January
Mount Holly, NJ
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Mount Holly, NJ
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Mount Holly, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Mount Holly, NJ
- Average rainfall in January: 0.63"
The wettest months (with the highest rainfall) are July and August (1.42").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in January
Mount Holly, NJ
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in January
Mount Holly, NJ
- Average snowfall in January: 0.91"
The months with the highest snowfall are February and March (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Mount Holly, NJ
- Average snowfall days in January: 3.9 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Mount Holly, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Mount Holly, NJ
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13 days).
Average UV index in January
Mount Holly, NJ
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Mount Holly, NJ
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Mount Holly, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mount Holly, New Jersey, USA
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