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
Rella experiences its lowest temperatures in January, with an average peak of 41.5°F (5.3°C) and a low of 27.3°F (-2.6°C).Humidity
In January, the average relative humidity is 79%.Rainfall
In Rella, in January, it is raining for 12.8 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 187.5 rainfall days, and 40.24" (1022mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Rella, in January, snow falls for 9.5 days, with typically accumulated 3.11" (79mm) of snow. Throughout the year, there are 32 snowfall days, and 14.17" (360mm) of snow is accumulated.Daylight
In Rella, the average length of the day in January is 9h and 59min.On the first day of the month, sunrise is at 7:47 am and sunset at 5:28 pm. On the last day of January, sunrise is at 7:37 am and sunset at 5:58 pm EST.
Sunshine
January has the least sunshine of the year in Rella, with an average of 4.3h of sunshine.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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 in January translates into this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold does it get in January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Rella have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Rella have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Rella, KY
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in January: 27.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in January
Rella, 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
Rella, KY
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in January
Rella, 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 April, June, July, August, September and November (77%).
Average rainfall in January
Rella, KY
- Average rainfall in January: 3.31"
The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in January
Rella, KY
- Average rainfall days in January: 12.8 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in January
Rella, KY
- Average snowfall in January: 3.11"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Rella, KY
- Average snowfall days in January: 9.5 days
The month with the highest number of snowfall days is January (9.5 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
Rella, KY
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Rella, KY
- Average sunshine days in January: 11.8 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in January
Rella, 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
Rella, 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 32).
Average visibility in January
Rella, KY
- Average visibility in January: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
Rella, Kentucky, USA
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