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, with its high-temperature average of 35.6°F (2°C) and a low-temperature average of 22.6°F (-5.2°C), is the coldest month.Humidity
In January, the average relative humidity is 76%.Rainfall
The months with the least rainfall are January and February Rain falls for 5 days and accumulates 0.71" (18mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In January, it is snowing for 6.1 days. Throughout January, 1.26" (32mm) of snow is accumulated. In Gettysburg, during the entire year, snow falls for 20.9 days and aggregates up to 4.8" (122mm) of snow.Daylight
In Gettysburg, the average length of the day in January is 9h and 44min.On the first day of the month, sunrise is at 7:30 am and sunset at 4:54 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:26 pm EST.
Sunshine
In January, the average sunshine is 4.8h.UV index
The months with the lowest UV index in Gettysburg are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in Gettysburg in January?
How many hours of daylight does Gettysburg have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Gettysburg have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Gettysburg, PA
- Average high temperature in January: 35.6°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in January: 22.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in January
Gettysburg, PA
- Average pressure in January: 30.1"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
Gettysburg, PA
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Gettysburg, PA
- Average humidity in January: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in January
Gettysburg, PA
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in January
Gettysburg, PA
- Average rainfall days in January: 5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5 days).
Average snowfall in January
Gettysburg, PA
- Average snowfall in January: 1.26"
The month with the highest snowfall is March (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Gettysburg, PA
- Average snowfall days in January: 6.1 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Gettysburg, PA
- 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 month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Gettysburg, PA
- Average sunshine days in January: 20.8 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is August (13.6 days).
Average UV index in January
Gettysburg, PA
- Average UV index in January: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Gettysburg, PA
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Gettysburg, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Gettysburg, Pennsylvania, USA
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