December weather forecast and climate
Tiff, MO

The first month of the winter, December, is also a frosty month in Tiff, Missouri, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 30.4°F (-0.9°C).

Temperature

In Tiff, the average high-temperature decreases, from a cool 53.4°F (11.9°C) in November, to a chilly 43.5°F (6.4°C). In Tiff, the average low-temperature is 30.4°F (-0.9°C).

Humidity

The average relative humidity in December is 77%.

Rainfall

In Tiff, in December, it is raining for 7.7 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, in Tiff, there are 150.7 rainfall days, and 32.13" (816mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Tiff. In December, it is snowing for 4.5 days. Throughout December, 1.89" (48mm) of snow is accumulated. In Tiff, during the entire year, snow falls for 22.7 days, and aggregates up to 9.37" (238mm) of snow.

Daylight

With an average of 9.6h of daylight, December has the shortest days of the year in Tiff, Missouri.

Sunshine

The average sunshine in Tiff is 4.9h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for the ordinary 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. 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 Tiff?

In December, the average high-temperature is 43.5°F (6.4°C), and the average low-temperature is 30.4°F (-0.9°C).

What is the average humidity in December in Tiff?

The average relative humidity in December in Tiff is 77%.

How much does it rain in Tiff in December?

In Tiff, Missouri, in December, it is raining for 7.7 days, with typically 2.36" (60mm) of accumulated precipitation.

How many days does it snow in December in Tiff?

In Tiff, Missouri, in December, during 4.5 snowfall days, 1.89" (48mm) of snow is typically accumulated.

What is the month with the shortest days in Tiff?

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

How many hours of daylight does Tiff have in December?

In Tiff, the average length of the day in December is 9.6h.

How long on average sun shines in December in Tiff?

In December, the average sunshine in Tiff, Missouri, is 4.9h.

When is the lowest UV index in Tiff?

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

How high is the UV index in December in Tiff?

In Tiff, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in December - Tiff, MO
  • Average high temperature in December: 6.4°C

The warmest month (with the highest average high temperature) is July (31.2°C).
The month with the lowest average high temperature is January (4.2°C).

  • Average low temperature in December: -0.9°C

The month with the highest average low temperature is July (19.7°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).

Average pressure in December - Tiff, MO
  • Average pressure in December: 1020.4mbar

The month with the highest atmospheric pressure is January (1021.3mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).

Average wind speed in December - Tiff, MO
  • Average wind speed in December: 13.2km/h

The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December - Tiff, MO
  • Average rainfall in December: 60mm

The wettest month (with the highest rainfall) is May (94mm).
The driest month (with the least rainfall) is September (48mm).

Average rainfall days in December - Tiff, MO
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is December (7.7 days).

Average snowfall in December - Tiff, MO
  • Average snowfall in December: 48mm

The month with the highest snowfall is February (69mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December - Tiff, MO
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Tiff, MO
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is June (Average sunshine: 10.5h).
Months with the least sunshine are January and February (Average sunshine: 4.7).

Average sunshine days in December - Tiff, MO
  • Average sunshine days in December: 19 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in December - Tiff, MO
  • Average UV index in December: 2

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

Average cloud cover in December - Tiff, MO
  • Average cloud cover in December: 47

Months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in December - Tiff, MO
  • Average visibility in December: 9km

Months with the highest visibility are January, February, March, April, June, October, November and December (9km).
Months with the lowest visibility are May, July, August and September (8km).