January weather forecastBethany, PA
January
Weather in January
January, the same as December, in Bethany, Pennsylvania, is another subzero cold winter month, with an average temperature fluctuating between 30.4°F (-0.9°C) and 18°F (-7.8°C).Temperature
The coldest time of the year is January, with temperatures averaging a high of 30.4°F (-0.9°C) and a low of 18°F (-7.8°C).Humidity
In Bethany, the average relative humidity in January is 82%.Rainfall
January and September are months with the least rain in Bethany when the rain falls for 6.9 days and typically aggregates up to 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
In Bethany, the average length of the day in January is 9h and 34min.On the first day of January, sunrise is at 7:27 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:14 pm EST.
Sunshine
In Bethany, the average sunshine in January is 3.8h.UV index
The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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
Bethany, 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).
