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 month when Antietam Overlook experiences its coldest temperatures, averaging a high of 37°F (2.8°C) and a low of 23.4°F (-4.8°C).Humidity
The average relative humidity in January is 75%.Rainfall
The month with the least rainfall in Antietam Overlook, Maryland, is January, when the rain falls for 9.6 days and typically collects 1.97" (50mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Antietam Overlook. The month with the most snowfall in Antietam Overlook is January, when snow falls for 7.8 days and typically aggregates up to 4.72" (120mm) of snow.Daylight
The average length of the day in January is 9h and 46min.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
In Antietam Overlook, the average sunshine in January is 4.8h.UV index
The months with the lowest UV index 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 the average person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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 January?
What is the average humidity in January?
What is the driest month?
How much does it rain in Antietam Overlook in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Antietam Overlook have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Antietam Overlook have in January?
What is the month with the lowest UV index?
How high is the UV index in January in Antietam Overlook?
Average temperature in January
Antietam Overlook, MD
- Average high temperature in January: 37°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 (37°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Antietam Overlook, 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
Antietam Overlook, MD
- Average wind speed in January: 7.6mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in January
Antietam Overlook, MD
- Average humidity in January: 75%
The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in January
Antietam Overlook, MD
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in January
Antietam Overlook, MD
- Average rainfall days in January: 9.6 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in January
Antietam Overlook, MD
- Average snowfall in January: 4.72"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Antietam Overlook, MD
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 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
Antietam Overlook, MD
- Average daylight in January: 9h and 5min
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 42min).
Average sunshine days in January
Antietam Overlook, MD
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).
Average UV index in January
Antietam Overlook, 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
Antietam Overlook, MD
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Antietam Overlook, MD
- Average visibility in January: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Antietam Overlook, Maryland, USA
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