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
Williamsport experiences its lowest temperatures in January, with an average peak of 36.9°F (2.7°C) and a low of 23.4°F (-4.8°C).Humidity
In Williamsport, Maryland, the average relative humidity in January is 75%.Rainfall
In Williamsport, Maryland, during January, the rain falls for 8.2 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Williamsport, during the entire year, the rain falls for 152.2 days and collects up to 26.02" (661mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall in Williamsport is January, when snow falls for 6.2 days and typically aggregates up to 3.58" (91mm) of snow.Daylight
The average length of the day in January in Williamsport is 9h and 45min.On the first day of January, sunrise is at 7:31 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:29 pm EST.
Sunshine
The months with the least sunshine in Williamsport are January and February, with an average of 4.8h of sunshine.UV index
January, February, November and 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 minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in January translates into these instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Enhance your sun protection with tightly woven, yet airy clothing. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What are the coldest months in Williamsport?
How cold is January in Williamsport?
What is the average humidity in January in Williamsport?
How much does it rain in Williamsport in January?
When does it snow the most in Williamsport?
How many days does it snow in January in Williamsport?
What is the average length of the day in January in Williamsport?
What time are sunrise and sunset in January in Williamsport?
What is the month with the least sunshine in Williamsport?
How long on average sun shines in January in Williamsport?
When is the lowest UV index in Williamsport?
How high is the UV index in January in Williamsport?
Average temperature in January
Williamsport, MD
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Williamsport, MD
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Williamsport, MD
- Average wind speed in January: 7.5mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Williamsport, MD
- Average humidity in January: 75%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in January
Williamsport, MD
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in January
Williamsport, MD
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Williamsport, MD
- Average snowfall in January: 3.58"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Williamsport, MD
- Average snowfall days in January: 6.2 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Williamsport, MD
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in January
Williamsport, MD
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in January
Williamsport, MD
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Williamsport, MD
- Average cloud cover in January: 49
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Williamsport, MD
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, May, September and October (5mi).
Williamsport, Maryland, USA
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