December weather forecast and climate
Altro, KY

December, the first month of the winter, in Altro, is still a chilly month, with average temperature varying between 45.1°F (7.3°C) and 33.1°F (0.6°C).

Temperature

In December, the average high-temperature marginally drops, from a cool 54°F (12.2°C) in November, to a frosty 45.1°F (7.3°C). In December, the average low-temperature is 33.1°F (0.6°C).

Humidity

February and December, with an average relative humidity of 80%, are most humid months.

Rainfall

In Altro, Kentucky, during 11.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 168.8 rainfall days, and 24.84" (631mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Altro, Kentucky, during 6.1 snowfall days, 2.95" (75mm) of snow is typically accumulated. In Altro, Kentucky, during the entire year, snow falls for 33.3 days, and aggregates up to 11.34" (288mm) of snow.

Daylight

The month with the shortest days in Altro is December, with an average of 9.6h of daylight.

Sunshine

The average sunshine in December is 4.7h.

UV index

Months with the lowest UV index in Altro are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Altro?

In December, the average high-temperature is 45.1°F (7.3°C), and the average low-temperature is 33.1°F (0.6°C).

What is the most humid month in Altro?

February and December, with an average relative humidity of 80%, are most humid months in Altro, Kentucky.

What is the average humidity in December in Altro?

In Altro, the average relative humidity in December is 80%.

How much does it rain in Altro in December?

In Altro, Kentucky, in December, it is raining for 11.7 days, with typically 2.36" (60mm) of accumulated precipitation.

How many days does it snow in December in Altro?

In Altro, in December, snow falls for 6.1 days, with typically accumulated 2.95" (75mm) of snow.

What is the month with the shortest days in Altro?

December has the shortest days of the year in Altro, Kentucky, with an average of 9.6h of daylight.

What is the average length of the day in December in Altro?

The average length of the day in December is 9.6h.

How long on average sun shines in December in Altro?

In Altro, Kentucky, the average sunshine in December is 4.7h.

When is the lowest UV index in Altro?

Months with the lowest UV index in Altro are January, February and December, with an average maximum UV index of 2.

How high is the UV index in December in Altro?

In Altro, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Altro, KY
  • Average high temperature in December: 45.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in December: 33.1°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°F).

Average pressure in December - Altro, KY
  • Average pressure in December: 30.14"

Months with the highest atmospheric pressure are January and November (30.16").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in December - Altro, KY
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December - Altro, KY
  • Average humidity in December: 80%

Months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).

Average rainfall in December - Altro, KY
  • Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in December - Altro, KY
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in December - Altro, KY
  • Average snowfall in December: 2.95"

The month with the highest snowfall is February (3.15").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December - Altro, KY
  • Average snowfall days in December: 6.1 days

The month with the highest number of snowfall days is January (10.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Altro, KY
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 4.7h

Months with the most sunshine are June, July and August (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 4.3h).

Average sunshine days in December - Altro, KY
  • Average sunshine days in December: 14 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).

Average UV index in December - Altro, KY
  • Average UV index in December: 2

Months with the highest UV index are May, June and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December - Altro, KY
  • Average cloud cover in December: 53

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

Average visibility in December - Altro, KY
  • Average visibility in December: 5mi

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