December weather forecast and climate
Rocky Comfort, MO

The first month of the winter, December, is still a chilly month in Rocky Comfort, Missouri, with average temperature varying between 46°F (7.8°C) and 31.1°F (-0.5°C).

Temperature

In Rocky Comfort, the average high-temperature drops, from a moderate 56.1°F (13.4°C) in November, to a frosty 46°F (7.8°C). The average low-temperature, in Rocky Comfort, Missouri, is 31.1°F (-0.5°C).

Humidity

In December, the average relative humidity in Rocky Comfort is 74%.

Rainfall

In Rocky Comfort, in December, it is raining for 8.2 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, in Rocky Comfort, there are 151.1 rainfall days, and 33.5" (851mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, in Rocky Comfort, Missouri, it is snowing for 3.5 days. Throughout December, 0.94" (24mm) of snow is accumulated. Throughout the year, there are 18 snowfall days, and 6.26" (159mm) of snow is accumulated.

Daylight

The month with the shortest days in Rocky Comfort is December, with an average of 9.7h of daylight.

Sunshine

In December, the average sunshine is 5.5h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Rocky Comfort, Missouri. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in December transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Rocky Comfort?

The average high-temperature, in December, in Rocky Comfort, is 46°F (7.8°C), while the average low-temperature is 31.1°F (-0.5°C).

What is the average humidity in December in Rocky Comfort?

In December, the average relative humidity is 74%.

How much does it rain in Rocky Comfort in December?

In Rocky Comfort, Missouri, during December, the rain falls for 8.2 days and regularly aggregates up to 1.93" (49mm) of precipitation.

How many days does it snow in December in Rocky Comfort?

In Rocky Comfort, in December, snow falls for 3.5 days, with typically accumulated 0.94" (24mm) of snow.

What is the month with the shortest days in Rocky Comfort?

With an average of 9.7h of daylight, December has the shortest days of the year in Rocky Comfort, Missouri.

How many hours of daylight does Rocky Comfort have in December?

The average length of the day in December in Rocky Comfort, Missouri, is 9.7h.

How long on average sun shines in December in Rocky Comfort?

In Rocky Comfort, the average sunshine in December is 5.5h.

When is the lowest UV index in Rocky Comfort?

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

What is the UV index reading in December in Rocky Comfort?

In December, the average daily maximum UV index in Rocky Comfort is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Rocky Comfort, MO
  • Average high temperature in December: 7.8°C

The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in December: -0.5°C

The month with the highest average low temperature is July (20.8°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).

Average pressure in December - Rocky Comfort, MO
  • Average pressure in December: 1020.7mbar

The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

Average wind speed in December - Rocky Comfort, MO
  • Average wind speed in December: 14.4km/h

The windiest month (with the highest average wind speed) is April (16.8km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).

Average humidity in December - Rocky Comfort, MO
  • Average humidity in December: 74%

The month with the highest relative humidity is May (78%).
Months with the lowest relative humidity are July, August and October (72%).

Average rainfall in December - Rocky Comfort, MO
  • Average rainfall in December: 49mm

The wettest month (with the highest rainfall) is May (136mm).
The driest month (with the least rainfall) is February (45mm).

Average rainfall days in December - Rocky Comfort, MO
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is December (8.2 days).

Average snowfall in December - Rocky Comfort, MO
  • Average snowfall in December: 24mm

The month with the highest snowfall is February (54mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Rocky Comfort, MO
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is February (5.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Rocky Comfort, MO
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 5.5h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 5.4h).

Average sunshine days in December - Rocky Comfort, MO
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (10.2 days).

Average UV index in December - Rocky Comfort, MO
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December - Rocky Comfort, MO
  • Average cloud cover in December: 41

Months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in December - Rocky Comfort, MO
  • Average visibility in December: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).