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
Temperature readings reach their annual highs in January, averaging 37.8°F (3.2°C) and a minimum average of 26.1°F (-3.3°C).Humidity
In Perryville, the average relative humidity in January is 75%.Rainfall
In Perryville, in January, during 9 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 153.1 rainfall days, and 31.5" (800mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 5.3 days and accumulates 2.4" (61mm) of snow.Daylight
The average length of the day in January in Perryville is 9h and 45min.On the first day of January, sunrise is at 7:24 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:22 pm EST.
Sunshine
In Perryville, Maryland, the average sunshine in January is 5.1h.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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in January transforms into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
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 reading in January?
Average temperature in January
Perryville, MD
- Average high temperature in January: 37.8°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 (37.8°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Perryville, 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
Perryville, MD
- Average wind speed in January: 8.8mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Perryville, MD
- Average humidity in January: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Perryville, MD
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in January
Perryville, MD
- Average rainfall days in January: 9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in January
Perryville, MD
- Average snowfall in January: 2.4"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Perryville, MD
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Perryville, 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Perryville, MD
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Perryville, 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
Perryville, MD
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and May (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Perryville, MD
- 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).
Perryville, Maryland, USA
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