January weather forecast
Heidelberg, KY

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Weather in January

January, the same as December, is a wintry winter month in Heidelberg, Kentucky, with an average temperature ranging between min 27°F (-2.8°C) and max 40.1°F (4.5°C).

Temperature

January, with average temperatures reaching a high of 40.1°F (4.5°C) and a low of 27°F (-2.8°C), is the coldest month.

Humidity

In January, the average relative humidity in Heidelberg is 78%.

Rainfall

In Heidelberg, in January, during 11.3 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Heidelberg, during the entire year, the rain falls for 167.6 days and collects up to 33.11" (841mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Heidelberg, in January, during 9.6 snowfall days, 2.83" (72mm) of snow is typically accumulated. In Heidelberg, during the entire year, snow falls for 32.6 days and aggregates up to 12.17" (309mm) of snow.

Daylight

In January, the average length of the day is 9h and 55min.
On the first day of January, sunrise is at 7:49 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:57 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 4h 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 minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 2 suggests these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

What are the coldest months?

Heidelberg reaches its average lowest temperatures in January, measuring 40.1°F (4.5°C) at the peak and 27°F (-2.8°C) at the lowest.

How cold is it in January?

The high-temperature, in January, in Heidelberg, records 40.1°F (4.5°C), while the low-temperature is 27°F (-2.8°C).

What is the average humidity in January?

In January, the average relative humidity is 78%.

How many days does it rain in January?

In Heidelberg, during January, the rain falls for 11.3 days and regularly aggregates up to 2.48" (63mm) of precipitation.

How many days does it snow in January?

In January, it is snowing for 9.6 days. Throughout January, 2.83" (72mm) of snow is accumulated.

How many hours of daylight does Heidelberg have in January?

The average day length in January is 9h and 55min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:49 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:57 pm EST.

What is the month with the least sunshine?

With an average of 4h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

The average sunshine duration in January is 4h.

What are the months with the lowest UV index?

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

What is the UV index reading in January in Heidelberg?

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 the Sun's UV radiation.
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
Heidelberg, KY

Average temperature in January - Heidelberg, KY
  • Average high temperature in January: 40.1°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in January
Heidelberg, KY

Average pressure in January - Heidelberg, 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 (29.97"Hg).

Average wind speed in January
Heidelberg, KY

Average wind speed in January - Heidelberg, KY
  • Average wind speed in January: 7.1mph

The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in January
Heidelberg, KY

Average humidity in January - Heidelberg, KY
  • Average humidity in January: 78%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, August, October and November (75%).

Average rainfall in January
Heidelberg, KY

Average rainfall in January - Heidelberg, KY
  • Average rainfall in January: 2.48"

The wettest months (with the highest rainfall) are February and May (3.46").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in January
Heidelberg, KY

Average rainfall days in January - Heidelberg, KY
  • Average rainfall days in January: 11.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in January
Heidelberg, KY

Average snowfall in January - Heidelberg, KY
  • Average snowfall in January: 2.83"

The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Heidelberg, KY

Average snowfall days in January - Heidelberg, KY
  • Average snowfall days in January: 9.6 days

The month with the highest number of snowfall days is January (9.6 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
Heidelberg, KY

Average daylight in January / Average sunshine in January - Heidelberg, KY
  • Average daylight in January: 9h and 5min

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 36min).

  • Average sunshine in January: 4h and 0min

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 0min).

Average sunshine days in January
Heidelberg, KY

Average sunshine days in January - Heidelberg, KY
  • Average sunshine days in January: 12.6 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in January
Heidelberg, KY

Average UV index in January - Heidelberg, 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
Heidelberg, KY

Average cloud cover in January - Heidelberg, KY
  • Average cloud cover in January: 58

The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in January
Heidelberg, KY

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

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

Heidelberg, Kentucky, USA

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