December weather forecast
Hermann, MO

Share

Weather in December

December, the first month of the winter in Hermann, is still a cold month, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 29.1°F (-1.6°C).

Temperature

The onset of December entails a temperature shift, as the average high-temperature decreases from a cool 52.9°F (11.6°C) in November to an icy 42.1°F (5.6°C). Hermann usually reports an average low-temperature of 29.1°F (-1.6°C) during the month of December.

Humidity

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

Rainfall

In Hermann, in December, it is raining for 7.5 days, with typically 1.85" (47mm) of accumulated precipitation. In Hermann, during the entire year, the rain falls for 146.9 days and collects up to 29.76" (756mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Hermann, in December, during 3.9 snowfall days, 1.57" (40mm) of snow is typically accumulated. In Hermann, during the entire year, snow falls for 20.1 days and aggregates up to 8.74" (222mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:05 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:54 pm CST.

Sunshine

In December, the average sunshine in Hermann is 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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 in December translates into these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
[Resources]

Frequently asked questions

How cold does it get in Hermann in December?

The average high-temperature and low-temperature in Hermann, Missouri, during December are 42.1°F (5.6°C) and 29.1°F (-1.6°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 98.6°F (37°C).

What is the average humidity in December in Hermann?

The average relative humidity in December in Hermann, Missouri, is 77%.

How many days does it rain in December in Hermann?

In Hermann, during December, the rain falls for 7.5 days and regularly aggregates up to 1.85" (47mm) of precipitation.

How many days does it snow in December in Hermann?

In Hermann, in December, snow falls for 3.9 days, with typically accumulated 1.57" (40mm) of snow.

What is the month with the shortest days in Hermann?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Hermann.

How many hours of daylight does Hermann have in December?

In December, the average day length in Hermann, Missouri, is 9h and 31min.

What time are sunrise and sunset in December in Hermann?

On the first day of December, sunrise is at 7:05 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:54 pm CST.

How many hours of sunshine does Hermann have in December?

In December, the average sunshine duration in Hermann is 5h.

When is the lowest UV index in Hermann?

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

What is the UV index reading in December in Hermann?

In Hermann, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Hermann, MO

Average temperature in December - Hermann, MO
  • Average high temperature in December: 42.1°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 (37.4°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

[Resources]

Average pressure in December
Hermann, MO

Average pressure in December - Hermann, MO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

[Resources]

Average wind speed in December
Hermann, MO

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

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

[Resources]

Average humidity in December
Hermann, MO

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

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in December
Hermann, MO

Average rainfall in December - Hermann, MO
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.5").

[Resources]

Average rainfall days in December
Hermann, MO

Average rainfall days in December - Hermann, MO
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (6.8 days).

[Resources]

Average snowfall in December
Hermann, MO

Average snowfall in December - Hermann, MO
  • Average snowfall in December: 1.57"

The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Hermann, MO

Average snowfall days in December - Hermann, MO
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are May, June, July and August (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Hermann, MO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

[Resources]

Average sunshine days in December
Hermann, MO

Average sunshine days in December - Hermann, MO
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is May (11 days).

[Resources]

Average UV index in December
Hermann, MO

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

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

[Resources]

Average cloud cover in December
Hermann, MO

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

The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 29).

[Resources]

Average visibility in December
Hermann, MO

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

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

[Resources]

Hermann, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location