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
The coldest month is January, with an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 24.3°F (-4.3°C).Humidity
The average relative humidity in January in Port Royal is 79%.Rainfall
In January, the rain falls for 11.3 days. Throughout January, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 174.2 rainfall days, and 36.1" (917mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Port Royal, in January, during 8.4 snowfall days, 1.93" (49mm) of snow is typically accumulated. In Port Royal, during the entire year, snow falls for 29.5 days and aggregates up to 8.74" (222mm) of snow.Daylight
In January, the average length of the day is 9h and 50min.On the first day of January, sunrise is at 7:57 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 6:00 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 4.1h of sunshine.UV index
January, February, 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 threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 during January translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January in Port Royal?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Port Royal have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Port Royal, KY
- Average high temperature in January: 37.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Port Royal, KY
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Port Royal, KY
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in January
Port Royal, KY
- Average humidity in January: 79%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in January
Port Royal, KY
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in January
Port Royal, KY
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in January
Port Royal, KY
- Average snowfall in January: 1.93"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Port Royal, KY
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is January (8.4 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
Port Royal, KY
- 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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Port Royal, KY
- Average sunshine days in January: 14.4 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in January
Port Royal, KY
- Average UV index in January: 2
The months with the highest UV index are 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
Port Royal, KY
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Port Royal, KY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).
Port Royal, Kentucky, USA
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