December weather forecast
Grantville, KS

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Weather in December

December, the first month of the winter in Grantville, is also a wintry month, with an average temperature fluctuating between 40.8°F (4.9°C) and 27.3°F (-2.6°C).

Temperature

Grantville in December undergoes a mild reduction in the average high-temperature, shifting from November's fresh 53.1°F (11.7°C) to a cold 40.8°F (4.9°C). Grantville's temperature in December lowers to a consistent average of 27.3°F (-2.6°C) during the nights.

Humidity

The average relative humidity in December is 72%.

Rainfall

In Grantville, Kansas, during December, the rain falls for 5 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Grantville, during the entire year, the rain falls for 123.3 days and collects up to 23.82" (605mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Grantville, Kansas, in December, during 3.4 snowfall days, 0.87" (22mm) of snow is typically accumulated. In Grantville, during the entire year, snow falls for 16.5 days and aggregates up to 6.5" (165mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:23 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:09 pm CST.

Sunshine

The average sunshine in December in Grantville is 5.6h.

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 low health risk from exposure to the Sun's UV rays for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

How cold is December in Grantville?

The average high-temperature and low-temperature in Grantville during December are 40.8°F (4.9°C) and 27.3°F (-2.6°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 96.8°F (36°C).

What is the average humidity in December in Grantville?

In December, the average relative humidity is 72%.

How much does it rain in Grantville in December?

In Grantville, during December, the rain falls for 5 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How much does it snow in Grantville in December?

In Grantville, in December, during 3.4 snowfall days, 0.87" (22mm) of snow is typically accumulated.

What is the month with the shortest days in Grantville?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Grantville?

In Grantville, Kansas, the average day length in December is 9h and 29min.

When is the sunrise / sunset in December in Grantville?

On the first day of December in Grantville, Kansas, sunrise is at 7:23 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:09 pm CST.

How many hours of sunshine does Grantville have in December?

In Grantville, Kansas, the average sunshine duration in December is 5.6h.

What is the month with the lowest UV index in Grantville?

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

How high is the UV index in December in Grantville?

In Grantville, Kansas, 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 exposure to Sun's UV rays.
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
Grantville, KS

Average temperature in December - Grantville, KS
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in December
Grantville, KS

Average pressure in December - Grantville, KS
  • 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 (29.87"Hg).

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Average wind speed in December
Grantville, KS

Average wind speed in December - Grantville, KS
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

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Average humidity in December
Grantville, KS

Average humidity in December - Grantville, KS
  • Average humidity in December: 72%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in December
Grantville, KS

Average rainfall in December - Grantville, KS
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in December
Grantville, KS

Average rainfall days in December - Grantville, KS
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (4 days).

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Average snowfall in December
Grantville, KS

Average snowfall in December - Grantville, KS
  • Average snowfall in December: 0.87"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Grantville, KS

Average snowfall days in December - Grantville, KS
  • Average snowfall days in December: 3.4 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Grantville, KS

Average daylight in December / Average sunshine in December - Grantville, KS
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 5h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in December
Grantville, KS

Average sunshine days in December - Grantville, KS
  • Average sunshine days in December: 22.8 days

The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is May (12.7 days).

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Average UV index in December
Grantville, KS

Average UV index in December - Grantville, KS
  • 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, February, November and December (UV index 2).

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Average cloud cover in December
Grantville, KS

Average cloud cover in December - Grantville, KS
  • Average cloud cover in December: 39

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 25).

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Average visibility in December
Grantville, KS

Average visibility in December - Grantville, KS
  • 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).

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Grantville, Kansas, USA

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