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
In Jessup, the month of January is known for its lowest average temperatures, reaching a high of 30°F (-1.1°C) and a low of 18°F (-7.8°C).Humidity
In Jessup, the average relative humidity in January is 83%.Rainfall
January and September are months with the least rain when the rain falls for 6.3 days and typically aggregates up to 1.73" (44mm) of rain.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Jessup is January, when snow falls for 15.4 days and typically aggregates up to 5.67" (144mm) of snow.Daylight
In January, the average length of the day is 9h and 35min.On the first day of January, sunrise is at 7:28 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:16 pm EST.
Sunshine
In Jessup, the average sunshine in January is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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 Jessup in January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Jessup have in January?
What time are sunrise and sunset in January in Jessup?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Jessup, PA
- Average high temperature in January: 30°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Jessup, 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
Jessup, 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
Jessup, PA
- Average humidity in January: 83%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in January
Jessup, PA
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is May (2.56").
The driest months (with the least rainfall) are January and September (1.73").
Average rainfall days in January
Jessup, PA
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in January
Jessup, PA
- Average snowfall in January: 5.67"
The month with the highest snowfall is January (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Jessup, PA
- Average snowfall days in January: 15.4 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jessup, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in January
Jessup, PA
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10 days).
Average UV index in January
Jessup, PA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Jessup, PA
- Average cloud cover in January: 65
The months with the most cloud cover are February and December (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in January
Jessup, 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).
Jessup, Pennsylvania, USA
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