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 is the coldest month, exhibiting average temperatures of 32°F (0°C) at the peak and 20.1°F (-6.6°C) at the base.Humidity
The average relative humidity in January in Williamsport is 82%.Rainfall
In January, the rain falls for 8.4 days. Throughout January, 1.77" (45mm) of precipitation is accumulated. Throughout the year, in Williamsport, there are 161.5 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Williamsport, in January, snow falls for 11 days, with typically accumulated 2.72" (69mm) of snow. Throughout the year, there are 37.6 snowfall days, and 10.59" (269mm) of snow is accumulated.Daylight
The average length of the day in January in Williamsport is 9h and 41min.On the first day of January, sunrise is at 8:11 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 6:05 pm EST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year in Williamsport.UV index
In Williamsport, Indiana, 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 the average 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. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Williamsport?
How cold is January in Williamsport?
What is the average humidity in January in Williamsport?
How many days does it rain in January in Williamsport?
How many days does it snow in January in Williamsport?
How many hours of daylight does Williamsport have in January?
What time are sunrise and sunset in January in Williamsport?
What is the month with the least sunshine in Williamsport?
How many hours of sunshine does Williamsport have in January?
What is the UV index reading in January in Williamsport?
Average temperature in January
Williamsport, IN
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Williamsport, IN
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Williamsport, IN
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Williamsport, IN
- Average humidity in January: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Williamsport, IN
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in January
Williamsport, IN
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
Williamsport, IN
- Average snowfall in January: 2.72"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Williamsport, IN
- Average snowfall days in January: 11 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Williamsport, IN
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Williamsport, IN
- Average sunshine days in January: 13.8 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9 days).
Average UV index in January
Williamsport, IN
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Williamsport, IN
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in January
Williamsport, IN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Williamsport, Indiana, USA
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