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 brings the lowest temperatures, with an average high of 30.4°F (-0.9°C) and an average low of 18°F (-7.8°C).Humidity
In January, the average relative humidity is 82%.Rainfall
January and September are months with the least rain 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 Prompton, 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 5:15 pm EST.
Sunshine
In Prompton, the average sunshine in January 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 vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in January transforms into this advice:
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. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To cut down UV radiation exposure by about half, sport a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
How much does it rain in Prompton in January?
What is the snowiest month?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Prompton have in January?
What is the UV index reading in January?
Average temperature in January
Prompton, 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
Prompton, 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
Prompton, 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
Prompton, 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
Prompton, 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
Prompton, 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
Prompton, 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
Prompton, 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
Prompton, PA
- Average daylight in January: 9h and 4min
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 5min
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
Prompton, 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
Prompton, 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
Prompton, 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
Prompton, 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).
Prompton, Pennsylvania, USA
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