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
Rocky Hill records the coldest temperatures in January, averaging a high of 41.5°F (5.3°C) and a low of 28°F (-2.2°C).Humidity
The average relative humidity in January is 78%.Rainfall
In January, the rain falls for 8.6 days. Throughout January, 1.42" (36mm) of precipitation is accumulated. In Rocky Hill, during the entire year, the rain falls for 149.2 days and collects up to 23.27" (591mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Rocky Hill, during January, snow falls for 4.8 days and regularly aggregates up to 0.75" (19mm) of snow. In Rocky Hill, during the entire year, snow falls for 16 days and aggregates up to 3.7" (94mm) of snow.Daylight
In Rocky Hill, the average length of the day in January is 9h and 58min.On the first day of the month, sunrise is at 6:57 am and sunset at 4:38 pm. On the last day of January, in Rocky Hill, sunrise is at 6:48 am and sunset at 5:07 pm CST.
Sunshine
In January, the average sunshine is 4.2h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 during January translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold does it get in January?
What is the average humidity in January?
How much does it rain in Rocky Hill in January?
How many days does it snow in January?
How many hours of daylight does Rocky Hill have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Rocky Hill have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Rocky Hill, KY
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in January: 28°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in January
Rocky Hill, 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
Rocky Hill, 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 (5.1mph).
Average humidity in January
Rocky Hill, KY
- Average humidity in January: 78%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Rocky Hill, KY
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is July (2.87").
The driest months (with the least rainfall) are September and November (1.34").
Average rainfall days in January
Rocky Hill, KY
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in January
Rocky Hill, KY
- Average snowfall in January: 0.75"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Rocky Hill, KY
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 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
Rocky Hill, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in January
Rocky Hill, KY
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in January
Rocky Hill, 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
Rocky Hill, KY
- Average cloud cover in January: 56
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Rocky Hill, KY
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Rocky Hill, Kentucky, USA
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