January weather forecast
Fullerton, KY

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Weather in January

January, the same as December, is a wintry winter month in Fullerton, Kentucky, with an average temperature fluctuating between 37.8°F (3.2°C) and 24.3°F (-4.3°C).

Temperature

Temperature readings reach their annual highs in January, averaging 37.8°F (3.2°C) and a minimum average of 24.3°F (-4.3°C).

Humidity

The average relative humidity in January is 80%.

Rainfall

In Fullerton, in January, it is raining for 11.5 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 170.4 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall in Fullerton, Kentucky. Snow falls for 10.6 days and accumulates 3.19" (81mm) of snow.

Daylight

In Fullerton, the average length of the day in January is 9h and 49min.
On the first day of January, sunrise is at 7:49 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:51 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3.9h of 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 unsafe exposure to UV radiation for the average person.
Note: In January, a daily UV index of 2 turns into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest period tends to be January, when average temperatures fluctuate between a high of 37.8°F (3.2°C) and a low of 24.3°F (-4.3°C).

How cold does it get in January?

The high-temperature, in January, in Fullerton, records 37.8°F (3.2°C), while the low-temperature is 24.3°F (-4.3°C).

What is the average humidity in January?

The average relative humidity in January is 80%.

How many days does it rain in January?

In Fullerton, during January, the rain falls for 11.5 days and regularly aggregates up to 2.28" (58mm) of precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 10.6 days and accumulates 3.19" (81mm) of snow.

How much does it snow in January?

In January, it is snowing for 10.6 days. Throughout January, 3.19" (81mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 49min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:49 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:51 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.9h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.9h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Fullerton, KY

Average temperature in January - Fullerton, KY
  • Average high temperature in January: 37.8°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in January: 24.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in January
Fullerton, KY

Average pressure in January - Fullerton, KY
  • Average pressure in January: 30.15"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in January
Fullerton, KY

Average wind speed in January - Fullerton, KY
  • Average wind speed in January: 7.5mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in January
Fullerton, KY

Average humidity in January - Fullerton, KY
  • Average humidity in January: 80%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).

Average rainfall in January
Fullerton, KY

Average rainfall in January - Fullerton, KY
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in January
Fullerton, KY

Average rainfall days in January - Fullerton, KY
  • Average rainfall days in January: 11.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in January
Fullerton, KY

Average snowfall in January - Fullerton, KY
  • Average snowfall in January: 3.19"

The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Fullerton, KY

Average snowfall days in January - Fullerton, KY
  • Average snowfall days in January: 10.6 days

The month with the highest number of snowfall days is January (10.6 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
Fullerton, KY

Average daylight in January / Average sunshine in January - Fullerton, 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 30min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in January
Fullerton, KY

Average sunshine days in January - Fullerton, KY
  • Average sunshine days in January: 11.8 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (10 days).

Average UV index in January
Fullerton, KY

Average UV index in January - Fullerton, 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, November and December (UV index 2).

Average cloud cover in January
Fullerton, KY

Average cloud cover in January - Fullerton, KY
  • Average cloud cover in January: 60

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in January
Fullerton, KY

Average visibility in January - Fullerton, KY
  • Average visibility in January: 5mi

The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).

Fullerton, Kentucky, USA

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