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, noted for its average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 27.1°F (-2.7°C), is considered the coldest month.Humidity
The average relative humidity in January is 79%.Rainfall
In January, the rain falls for 10.3 days. Throughout January, 2.17" (55mm) of precipitation is accumulated. Throughout the year, in Saint Mary, there are 163.3 rainfall days, and 32.09" (815mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Saint Mary, during January, snow falls for 7.8 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 27.3 snowfall days, and 7.91" (201mm) of snow is accumulated.Daylight
In Saint Mary, Kentucky, the average length of the day in January is 9h and 55min.On the first day of January in Saint Mary, Kentucky, sunrise is at 7:56 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 6:03 pm EST.
Sunshine
With an average of 4.3h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint Mary. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What are the coldest months in Saint Mary?
Is January cold in Saint Mary?
What is the average humidity in January in Saint Mary?
How much does it rain in Saint Mary in January?
How many days does it snow in January in Saint Mary?
How many hours of daylight does Saint Mary have in January?
What time are sunrise and sunset in January in Saint Mary?
What is the month with the least sunshine in Saint Mary?
How many hours of sunshine does Saint Mary have in January?
What are the months with the lowest UV index in Saint Mary?
What is the UV index reading in January in Saint Mary?
Average temperature in January
Saint Mary, KY
- Average high temperature in January: 39.9°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 (39.9°F).
- Average low temperature in January: 27.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in January
Saint Mary, KY
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Saint Mary, KY
- Average wind speed in January: 8.5mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Saint Mary, KY
- Average humidity in January: 79%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Saint Mary, KY
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in January
Saint Mary, KY
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in January
Saint Mary, KY
- Average snowfall in January: 1.85"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Saint Mary, KY
- 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
Saint Mary, KY
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Saint Mary, KY
- Average sunshine days in January: 13.7 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (11 days).
Average UV index in January
Saint Mary, KY
- 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
Saint Mary, KY
- Average cloud cover in January: 57
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Saint Mary, KY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
Saint Mary, Kentucky, USA
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