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 is the coldest month, with the temperature often reaching an average high of 42.1°F (5.6°C) and an average low of 28.6°F (-1.9°C).Humidity
In Rockfield, the average relative humidity in January is 77%.Rainfall
In January, the rain falls for 9.7 days. Throughout January, 1.42" (36mm) of precipitation is accumulated. In Rockfield, during the entire year, the rain falls for 147.6 days and collects up to 22.6" (574mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Rockfield, in January, snow falls for 4.1 days, with typically accumulated 0.71" (18mm) of snow. In Rockfield, during the entire year, snow falls for 14 days and aggregates up to 3.27" (83mm) of snow.Daylight
In Rockfield, the average length of the day in January is 9h and 58min.On the first day of January, sunrise is at 6:59 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 5:09 pm CST.
Sunshine
In January, the average sunshine in Rockfield is 4.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. 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 are the coldest months?
Is January cold?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Rockfield have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Rockfield, KY
- Average high temperature in January: 42.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in January: 28.6°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in January
Rockfield, 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
Rockfield, KY
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Rockfield, KY
- Average humidity in January: 77%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Rockfield, KY
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in January
Rockfield, KY
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in January
Rockfield, KY
- Average snowfall in January: 0.71"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Rockfield, KY
- Average snowfall days in January: 4.1 days
The month with the highest number of snowfall days is February (4.3 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
Rockfield, KY
- Average daylight in January: 10h and 0min
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 42min).
- Average sunshine in January: 4h and 2min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in January
Rockfield, KY
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in January
Rockfield, 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 and December (UV index 2).
Average cloud cover in January
Rockfield, KY
- Average cloud cover in January: 54
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in January
Rockfield, KY
- 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).
Rockfield, Kentucky, USA
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