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 proves to be the coldest month, recording an average maximum temperature of 39°F (3.9°C) and a minimum temperature of 26.2°F (-3.2°C).Humidity
In January, the average relative humidity is 73%.Rainfall
The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 2.17" (55mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. The months with the most snowfall are January and March, with an average 3.03" (77mm) of accumulated snow.Daylight
In Aspen Hill, the average length of the day in January is 9h and 47min.On the first day of January, sunrise is at 7:27 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:27 pm EST.
Sunshine
In Aspen Hill, the average sunshine in January is 5.1h.UV index
The months with the lowest UV index in Aspen Hill are January, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold does it get in January?
What is the average humidity in January?
What is the driest month?
How much does it rain in Aspen Hill in January?
What is the snowiest month?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Aspen Hill, MD
- Average high temperature in January: 39°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in January: 26.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in January
Aspen Hill, 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
Aspen Hill, MD
- Average wind speed in January: 7.8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Aspen Hill, MD
- Average humidity in January: 73%
The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
Aspen Hill, MD
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in January
Aspen Hill, MD
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in January
Aspen Hill, MD
- Average snowfall in January: 3.03"
The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Aspen Hill, MD
- Average snowfall days in January: 5.1 days
The months with the highest number of snowfall days are January and February (5.1 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
Aspen Hill, 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 30min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Aspen Hill, MD
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).
Average UV index in January
Aspen Hill, 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, November and December (UV index 2).
Average cloud cover in January
Aspen Hill, MD
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Aspen Hill, MD
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Aspen Hill, Maryland, USA
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