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, on average, is the coldest month, registering a high temperature of 32°F (0°C) and a low of 19.9°F (-6.7°C).Humidity
The average relative humidity in January is 79%.Rainfall
In January, the rain falls for 9.8 days. Throughout January, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 165.6 rainfall days, and 33.54" (852mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hartleton, Pennsylvania, in January, during 12.2 snowfall days, 5.28" (134mm) of snow is typically accumulated. In Hartleton, Pennsylvania, during the entire year, snow falls for 43.3 days and aggregates up to 23.11" (587mm) of snow.Daylight
In Hartleton, the average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:33 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:23 pm EST.
Sunshine
In Hartleton, the average sunshine in January is 4.1h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Boost your sun resistance with garments that are densely woven yet spacious. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Hartleton have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Hartleton have in January?
What are the months with the lowest UV index in Hartleton?
How high is the UV index in January?
Average temperature in January
Hartleton, PA
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Hartleton, PA
- Average pressure in January: 30.09"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
Hartleton, PA
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in January
Hartleton, PA
- Average humidity in January: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in January
Hartleton, PA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in January
Hartleton, PA
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in January
Hartleton, PA
- Average snowfall in January: 5.28"
The month with the highest snowfall is February (7.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hartleton, PA
- Average snowfall days in January: 12.2 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hartleton, 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 18min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in January
Hartleton, PA
- Average sunshine days in January: 12.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in January
Hartleton, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Hartleton, PA
- Average cloud cover in January: 56
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Hartleton, PA
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Hartleton, Pennsylvania, USA
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