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
Preston records the coldest temperatures in January, averaging a high of 41.2°F (5.1°C) and a low of 29.3°F (-1.5°C).Humidity
January, March and November, with an average relative humidity of 74%, are the least humid months.Rainfall
January and September are months with the least rain when the rain falls for 7.9 days and typically aggregates up to 0.94" (24mm) of rain.Snowfall
January through March, May, November and December are months with snowfall in Preston. The month with the most snowfall in Preston is January, when snow falls for 3 days and typically aggregates up to 1.02" (26mm) of snow.Daylight
In January, the average length of the day in Preston is 9h and 49min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:52 pm. On the last day of January, in Preston, Maryland, sunrise is at 7:10 am and sunset at 5:23 pm EST.
Sunshine
In Preston, the average sunshine in January is 5.4h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during January translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What month is the coldest in Preston?
How cold does it get in Preston in January?
What is the least humid month in Preston?
What is the average humidity in January in Preston?
What is the driest month in Preston?
How much does it rain in Preston in January?
What is the snowiest month in Preston?
How many days does it snow in January in Preston?
What is the average length of the day in January in Preston?
What time are sunrise and sunset in January in Preston?
How long on average sun shines in January in Preston?
What are the months with the lowest UV index in Preston?
What is the UV index intensity in January in Preston?
Average temperature in January
Preston, MD
- Average high temperature in January: 41.2°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in January: 29.3°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in January
Preston, MD
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Preston, MD
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Preston, MD
- Average humidity in January: 74%
The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in January
Preston, MD
- Average rainfall in January: 0.94"
The wettest months (with the highest rainfall) are July and August (2.01").
The driest months (with the least rainfall) are January and September (0.94").
Average rainfall days in January
Preston, MD
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.2 days).
Average snowfall in January
Preston, MD
- Average snowfall in January: 1.02"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in January
Preston, MD
- Average snowfall days in January: 3 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Preston, MD
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in January
Preston, MD
- Average sunshine days in January: 20.1 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in January
Preston, 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
Preston, MD
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in January
Preston, MD
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Preston, Maryland, USA
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