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
The coldest period tends to be January, when average temperatures fluctuate between a high of 39.9°F (4.4°C) and a low of 27°F (-2.8°C).Humidity
In Fairfield, the average relative humidity in January is 78%.Rainfall
In Fairfield, in January, it is raining for 9.4 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 162.7 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In January, it is snowing for 7.8 days. Throughout January, 1.65" (42mm) of snow is accumulated. Throughout the year, there are 26.7 snowfall days, and 7.4" (188mm) of snow is accumulated.Daylight
In Fairfield, the average length of the day in January is 9h and 53min.On the first day of January, sunrise is at 7:57 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 6:03 pm EST.
Sunshine
January and December, with an average of 4.4h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in January translates into this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January in Fairfield?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January in Fairfield?
What is the average length of the day in January?
When are sunrise and sunset in January in Fairfield?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Fairfield, KY
- Average high temperature in January: 39.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in January
Fairfield, 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 (29.95"Hg).
Average wind speed in January
Fairfield, KY
- Average wind speed in January: 8.2mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in January
Fairfield, KY
- Average humidity in January: 78%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Fairfield, KY
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in January
Fairfield, KY
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in January
Fairfield, KY
- Average snowfall in January: 1.65"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Fairfield, KY
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 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
Fairfield, KY
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in January
Fairfield, KY
- Average sunshine days in January: 13.7 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in January
Fairfield, KY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Fairfield, KY
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Fairfield, KY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
Fairfield, Kentucky, USA
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