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, with an average high of 41.7°F (5.4°C) and a low of 28.8°F (-1.8°C), signifies the coldest month of the year.Humidity
In Heater, the average relative humidity in January is 76%.Rainfall
In Heater, in January, it is raining for 5.8 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 94.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Heater, during January, snow falls for 3 days and regularly aggregates up to 0.2" (5mm) of snow. In Heater, during the entire year, snow falls for 11 days and aggregates up to 0.83" (21mm) of snow.Daylight
In Heater, the average length of the day in January is 9h and 57min.On the first day of the month, sunrise is at 7:06 am and sunset at 4:46 pm. On the last day of January, sunrise is at 6:56 am and sunset at 5:16 pm CST.
Sunshine
The months with the least sunshine in Heater are January and February, with an average of 4.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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 January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Heater have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Heater, KY
- Average high temperature in January: 41.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in January: 28.8°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in January
Heater, KY
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Heater, KY
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in January
Heater, KY
- Average humidity in January: 76%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Heater, KY
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in January
Heater, KY
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in January
Heater, KY
- Average snowfall in January: 0.2"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Heater, KY
- Average snowfall days in January: 3 days
The month with the highest number of snowfall days is February (3.1 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
Heater, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in January
Heater, KY
- Average sunshine days in January: 22.6 days
The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in January
Heater, 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
Heater, KY
- Average cloud cover in January: 50
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in January
Heater, 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).
Heater, Kentucky, USA
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