January weather forecastAtco, PA
January
Weather in January
January, the same as December, in Atco, Pennsylvania, is a freezing cold winter month, with an average temperature ranging between min 18°F (-7.8°C) and max 30.4°F (-0.9°C).Temperature
January, with its average high-temperature of 30.4°F (-0.9°C) and an average low-temperature of 18°F (-7.8°C), holds the record as the coldest month.Humidity
The average relative humidity in January is 82%.Rainfall
The months with the least rainfall are January and September Rain falls for 6.9 days and accumulates 1.14" (29mm) of rain.Snowfall
January through May, October through December are months with snowfall. The months with the most snowfall are January and December, with an average 3.27" (83mm) of accumulated snow.Daylight
The average length of the day in January is 9h and 34min.On the first day of January in Atco, Pennsylvania, sunrise is at 7:27 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:14 pm EST.
Sunshine
In January, the average sunshine in Atco is 3.8h.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during January translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind you! Snow reflection can increase the intensity of 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
Atco, PA
- Average high temperature in January: 30.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Atco, PA
- Average pressure in January: 30.07"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
Atco, PA
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Atco, PA
- Average humidity in January: 82%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in January
Atco, PA
- Average rainfall in January: 1.14"
The wettest months (with the highest rainfall) are July and August (2.09").
The driest months (with the least rainfall) are January and September (1.14").
Average rainfall days in January
Atco, PA
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is May (15.6 days).
The months with the least rainy days are January and February (6.9 days).
Average snowfall in January
Atco, PA
- Average snowfall in January: 3.27"
The months with the highest snowfall are January and December (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Atco, PA
- Average snowfall days in January: 9.9 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Atco, PA
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in January
Atco, PA
- Average sunshine days in January: 17.5 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (12.5 days).
Average UV index in January
Atco, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Atco, PA
- Average cloud cover in January: 61
The months with the most cloud cover are February and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in January
Atco, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
