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 coldest period is January, when temperatures fluctuate between an average high of 35.1°F (1.7°C) and a low of 22.3°F (-5.4°C).Humidity
In January, the average relative humidity is 77%.Rainfall
January and February are months with the least rain when the rain falls for 5.3 days and typically aggregates up to 0.75" (19mm) of rain.Snowfall
January through April, October through December are months with snowfall. In Mount Holly Springs, in January, snow falls for 7.7 days, with typically accumulated 1.38" (35mm) of snow. Throughout the year, there are 22.3 snowfall days, and 4.72" (120mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 42min.On the first day of the month, sunrise is at 7:30 am and sunset at 4:53 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:25 pm EST.
Sunshine
In Mount Holly Springs, the average sunshine in January is 4.6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 during January translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Mount Holly Springs have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Mount Holly Springs have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Mount Holly Springs, PA
- Average high temperature in January: 35.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in January: 22.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in January
Mount Holly Springs, PA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Mount Holly Springs, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in January
Mount Holly Springs, PA
- Average humidity in January: 77%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in January
Mount Holly Springs, PA
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is May (1.34").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in January
Mount Holly Springs, PA
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in January
Mount Holly Springs, PA
- Average snowfall in January: 1.38"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mount Holly Springs, PA
- Average snowfall days in January: 7.7 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mount Holly Springs, PA
- 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: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Mount Holly Springs, PA
- Average sunshine days in January: 19.9 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in January
Mount Holly Springs, PA
- Average UV index in January: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Mount Holly Springs, PA
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Mount Holly Springs, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Mount Holly Springs, Pennsylvania, USA
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