December weather forecast
Nyssa, MO

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Weather in December

December, the first month of the winter in Nyssa, is also a frosty month, with an average temperature varying between 46.2°F (7.9°C) and 34°F (1.1°C).

Temperature

December brings a drop in Nyssa's average high-temperature, falling from a moderate 55.8°F (13.2°C) in November to a frosty 46.2°F (7.9°C). During December, the average low-temperature is an icy 34°F (1.1°C).

Humidity

In December, the average relative humidity is 77%.

Rainfall

The month with the least rainfall in Nyssa is December, when the rain falls for 6.8 days and typically collects 0.75" (19mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Nyssa, in December, during 1.2 snowfall days, 0.12" (3mm) of snow is typically accumulated. In Nyssa, during the entire year, snow falls for 6.5 days and aggregates up to 0.94" (24mm) of snow.

Daylight

December has the shortest days of the year in Nyssa, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 6:55 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:55 pm CST.

Sunshine

In December, the average sunshine in Nyssa is 5h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Nyssa in December?

In Nyssa, 46.2°F (7.9°C) is the average high-temperature and 34°F (1.1°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 86°F (30°C).

What is the average humidity in December?

In Nyssa, the average relative humidity in December is 77%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 6.8 days and typically collects 0.75" (19mm) of precipitation.

How much does it rain in Nyssa in December?

In December, the rain falls for 6.8 days. Throughout December, 0.75" (19mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 1.2 days. Throughout December, 0.12" (3mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

How many hours of daylight does Nyssa have in December?

The average day length in December is 9h and 43min.

When is the sunrise / sunset in December in Nyssa?

In December, on the first day of the month, sunrise is at 6:55 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:55 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 5h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Nyssa, MO

Average temperature in December - Nyssa, MO
  • Average high temperature in December: 46.2°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (42.8°F).

  • Average low temperature in December: 34°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in December
Nyssa, MO

Average pressure in December - Nyssa, MO
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Nyssa, MO

Average wind speed in December - Nyssa, MO
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Nyssa, MO

Average humidity in December - Nyssa, MO
  • Average humidity in December: 77%

The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Nyssa, MO

Average rainfall in December - Nyssa, MO
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (0.75").

Average rainfall days in December
Nyssa, MO

Average rainfall days in December - Nyssa, MO
  • Average rainfall days in December: 6.8 days

The months with the highest number of rainy days are May and July (14.3 days).
The month with the least rainy days is January (6 days).

Average snowfall in December
Nyssa, MO

Average snowfall in December - Nyssa, MO
  • Average snowfall in December: 0.12"

The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Nyssa, MO

Average snowfall days in December - Nyssa, MO
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Nyssa, MO

Average daylight in December / Average sunshine in December - Nyssa, MO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Nyssa, MO

Average sunshine days in December - Nyssa, MO
  • Average sunshine days in December: 21.8 days

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in December
Nyssa, MO

Average UV index in December - Nyssa, MO
  • Average UV index in December: 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 and December (UV index 2).

Average cloud cover in December
Nyssa, MO

Average cloud cover in December - Nyssa, MO
  • Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 24).

Average visibility in December
Nyssa, MO

Average visibility in December - Nyssa, MO
  • Average visibility in December: 6mi

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

Nyssa, Missouri, USA

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