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
Grigsby's coldest temperatures are experienced in January, with average high temperatures of 40.6°F (4.8°C) and lows of 27°F (-2.8°C).Humidity
In Grigsby, Kentucky, the average relative humidity in January is 79%.Rainfall
In Grigsby, Kentucky, in January, during 11.3 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Grigsby, during the entire year, the rain falls for 168.8 days and collects up to 24.84" (631mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Grigsby, during January, snow falls for 10.3 days and regularly aggregates up to 2.56" (65mm) of snow. Throughout the year, there are 33.3 snowfall days, and 11.34" (288mm) of snow is accumulated.Daylight
In January, the average length of the day in Grigsby is 9h and 56min.On the first day of the month, sunrise is at 7:46 am and sunset at 5:25 pm. On the last day of January, sunrise is at 7:36 am and sunset at 5:55 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4.3h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Grigsby, Kentucky. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in January transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Grigsby?
How cold does it get in Grigsby in January?
What is the average humidity in January in Grigsby?
How many days does it rain in January in Grigsby?
How much does it snow in Grigsby in January?
What is the average length of the day in January in Grigsby?
When are sunrise and sunset in January in Grigsby?
What is the month with the least sunshine in Grigsby?
How long on average sun shines in January in Grigsby?
What are the months with the lowest UV index in Grigsby?
How high is the UV index in January in Grigsby?
Average temperature in January
Grigsby, KY
- Average high temperature in January: 40.6°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 (40.6°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in January
Grigsby, KY
- Average pressure in January: 30.16"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Grigsby, KY
- Average wind speed in January: 6.6mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Grigsby, 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 November (75%).
Average rainfall in January
Grigsby, KY
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in January
Grigsby, KY
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in January
Grigsby, KY
- Average snowfall in January: 2.56"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Grigsby, KY
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 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
Grigsby, 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 months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Grigsby, KY
- Average sunshine days in January: 12.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in January
Grigsby, KY
- Average UV index in January: 2
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Grigsby, KY
- Average cloud cover in January: 57
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Grigsby, KY
- Average visibility in January: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
Grigsby, Kentucky, USA
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