January weather forecastMahaffey, PA
January
Weather in January
January, like December, is another subzero cold winter month in Mahaffey, Pennsylvania, with an average temperature ranging between max 30.2°F (-1°C) and min 18°F (-7.8°C).Temperature
January is the month when Mahaffey sees the lowest average temperatures, with a high of 30.2°F (-1°C) and a low of 18°F (-7.8°C).Humidity
In Mahaffey, the average relative humidity in January is 85%.Rainfall
The months with the least rainfall are January and November Rain falls for 5.9 days and accumulates 1.06" (27mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Mahaffey, in January, snow falls for 11.8 days, with typically accumulated 3.31" (84mm) of snow. In Mahaffey, during the entire year, snow falls for 46.2 days and aggregates up to 14.45" (367mm) of snow.Daylight
In Mahaffey, the average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:39 am and sunset at 4:57 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:30 pm EST.
Sunshine
With an average of 2.6h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index 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 average individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mahaffey, PA
- Average high temperature in January: 30.2°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 (30.2°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Mahaffey, PA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Mahaffey, PA
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Mahaffey, PA
- Average humidity in January: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall in January
Mahaffey, PA
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.06").
Average rainfall days in January
Mahaffey, PA
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in January
Mahaffey, PA
- Average snowfall in January: 3.31"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mahaffey, PA
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mahaffey, 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 18min).
- Average sunshine in January: 2h and 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in January
Mahaffey, PA
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in January
Mahaffey, 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
Mahaffey, PA
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in January
Mahaffey, PA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
