December weather forecast
Festus, WV

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Weather in December

The first month of the winter, December, is still a cold month in Festus, West Virginia, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 41.5°F (5.3°C).

Temperature

A decrease in the average high-temperature is observed during December, shifting from a fresh 50.5°F (10.3°C) in November to an icy 41.5°F (5.3°C). During December, Festus witnesses a consistent average low-temperature of 29.3°F (-1.5°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Festus, in December, it is raining for 13.1 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 188.6 rainfall days, and 39.17" (995mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 10.7 days. Throughout December, 4.29" (109mm) of snow is accumulated. Throughout the year, there are 52.1 snowfall days, and 24.21" (615mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:22 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:07 pm EST.

Sunshine

The average sunshine in December in Festus is 3.5h.

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 vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

Is it cold during December?

The high-temperature, in December, in Festus, records 41.5°F (5.3°C), while the low-temperature is 29.3°F (-1.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 82%.

How many days does it rain in December?

In December, the rain falls for 13.1 days. Throughout December, 3.35" (85mm) of precipitation is accumulated.

How much does it snow in December?

In Festus, in December, during 10.7 snowfall days, 4.29" (109mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

How many hours of daylight does Festus have in December?

In December, the average day length is 9h and 26min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:07 pm EST.

How many hours of sunshine does Festus have in December?

The average sunshine duration in December is 3.5h.

When is the lowest UV index?

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

How high is the UV index in December?

In Festus, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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 December
Festus, WV

Average temperature in December - Festus, WV
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Festus, WV

Average pressure in December - Festus, WV
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Festus, WV

Average wind speed in December - Festus, WV
  • Average wind speed in December: 6.3mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Festus, WV

Average humidity in December - Festus, WV
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

Average rainfall in December
Festus, WV

Average rainfall in December - Festus, WV
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in December
Festus, WV

Average rainfall days in December - Festus, WV
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).

Average snowfall in December
Festus, WV

Average snowfall in December - Festus, WV
  • Average snowfall in December: 4.29"

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Festus, WV

Average snowfall days in December - Festus, WV
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Festus, WV

Average daylight in December / Average sunshine in December - Festus, WV
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Festus, WV

Average sunshine days in December - Festus, WV
  • Average sunshine days in December: 10.8 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).

Average UV index in December
Festus, WV

Average UV index in December - Festus, WV
  • Average UV index in December: 2

The months with the highest UV index are May and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Festus, WV

Average cloud cover in December - Festus, WV
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Festus, WV

Average visibility in December - Festus, WV
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

Festus, West Virginia, USA

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