January weather forecastRolling Hill Acres, PA
January
Weather in January
January, like December, in Rolling Hill Acres, Pennsylvania, is an icy winter month, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 34.9°F (1.6°C).Temperature
January is Rolling Hill Acres's coldest month, registering average high temperatures of 34.9°F (1.6°C) and lows of 22.5°F (-5.3°C).Humidity
In January, the average relative humidity is 77%.Rainfall
In Rolling Hill Acres, during January, the rain falls for 4.3 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Rolling Hill Acres, during the entire year, the rain falls for 91.3 days and collects up to 7.28" (185mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Rolling Hill Acres, in January, during 3.6 snowfall days, 0.35" (9mm) of snow is typically accumulated. Throughout the year, there are 14.8 snowfall days, and 2.24" (57mm) of snow is accumulated.Daylight
The average length of the day in January in Rolling Hill Acres is 9h and 40min.On the first day of the month, sunrise is at 7:23 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in January is 4.8h.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 hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rolling Hill Acres, PA
- Average high temperature in January: 34.9°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 (34.9°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in January
Rolling Hill Acres, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Rolling Hill Acres, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Rolling Hill Acres, PA
- Average humidity in January: 77%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in January
Rolling Hill Acres, PA
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is July (0.91").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in January
Rolling Hill Acres, PA
- Average rainfall days in January: 4.3 days
The months with the highest number of rainy days are June and July (10.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in January
Rolling Hill Acres, PA
- Average snowfall in January: 0.35"
The month with the highest snowfall is March (0.63").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Rolling Hill Acres, PA
- Average snowfall days in January: 3.6 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rolling Hill Acres, PA
- Average daylight in January: 9h and 42min
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 18min).
- Average sunshine in January: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Rolling Hill Acres, PA
- Average sunshine days in January: 23.8 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (16.7 days).
Average UV index in January
Rolling Hill Acres, PA
- Average UV index in January: 2
The months with the highest UV index are 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
Rolling Hill Acres, PA
- Average cloud cover in January: 47
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Rolling Hill Acres, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).





