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, known for its average high temperature of 37°F (2.8°C) and an average low temperature of 25.2°F (-3.8°C), is the coldest month.Humidity
In January, the average relative humidity is 75%.Rainfall
January is the month with the least rainfall in Holly Hill, Pennsylvania. Rain falls for 8 days and accumulates 1.89" (48mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Holly Hill. In Holly Hill, in January, during 4.8 snowfall days, 1.57" (40mm) of snow is typically accumulated. Throughout the year, in Holly Hill, there are 15.9 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 42min.On the first day of January in Holly Hill, sunrise is at 7:21 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:16 pm EST.
Sunshine
In Holly Hill, Pennsylvania, the average sunshine in January is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during January leads to these advisories:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What time of the year is the coldest in Holly Hill?
How cold is January in Holly Hill?
What is the average humidity in January in Holly Hill?
What is the driest month in Holly Hill?
How many days does it rain in January in Holly Hill?
How much does it snow in Holly Hill in January?
What is the average length of the day in January in Holly Hill?
When are sunrise and sunset in January in Holly Hill?
How long on average sun shines in January in Holly Hill?
What are the months with the lowest UV index in Holly Hill?
What is the UV index intensity in January in Holly Hill?
Average temperature in January
Holly Hill, PA
- Average high temperature in January: 37°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in January: 25.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in January
Holly Hill, PA
- 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
Holly Hill, PA
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Holly Hill, PA
- Average humidity in January: 75%
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Holly Hill, PA
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in January
Holly Hill, PA
- Average rainfall days in January: 8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in January
Holly Hill, PA
- Average snowfall in January: 1.57"
The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Holly Hill, PA
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Holly Hill, 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Holly Hill, PA
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in January
Holly Hill, PA
- 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
Holly Hill, PA
- Average cloud cover in January: 44
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Holly Hill, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Holly Hill, Pennsylvania, USA
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