December weather forecast
Gridley, KS

Weather in December

December, the first month of the winter in Gridley, is still a chilly month, with temperature in the range of an average low of 28.9°F (-1.7°C) and an average high of 42.8°F (6°C).

Temperature

In December, the average high-temperature decreases from a cool 54.3°F (12.4°C) in November to a frosty 42.8°F (6°C). In December, the average low-temperature is 28.9°F (-1.7°C).

Humidity

In Gridley, the average relative humidity in December is 71%.

Rainfall

January and December are months with the least rain when the rain falls for 4.6 days and typically aggregates up to 0.71" (18mm) of rain.

Snowfall

Months with snowfall in Gridley are January through May, October through December. In Gridley, during 2.6 snowfall days, 0.87" (22mm) of snow is typically accumulated. Throughout the year, in Gridley, there are 13.5 snowfall days, and 5.08" (129mm) of snow is accumulated.

Daylight

The month with the shortest days in Gridley is December, with an average of 9h and 34min of daylight.
On the first day of December in Gridley, sunrise is at 7:21 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:13 pm CST.

Sunshine

In December, the average sunshine is 5.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Gridley?

In Gridley, Kansas, in December, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 28.9°F (-1.7°C). in August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 96.8°F (36°C).

What is the average humidity in December in Gridley?

The average relative humidity in December in Gridley, Kansas, is 71%.

What is the driest month in Gridley?

The months with the least rainfall in Gridley, Kansas, are January and December Rain falls for 4.6 days and accumulates 0.71" (18mm) of rain.

How many days does it rain in December in Gridley?

In Gridley, during December, the rain falls for 4.6 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How much does it snow in Gridley in December?

In Gridley, Kansas, in December, during 2.6 snowfall days, 0.87" (22mm) of snow is typically accumulated.

What is the month with the shortest days in Gridley?

The month with the shortest days in Gridley, Kansas, is December, with an average of 9h and 34min of daylight.

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

In December, the average day length in Gridley, Kansas, is 9h and 34min.

When is the sunrise / sunset in December in Gridley?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 5:04 pm. On the last day of the month, in Gridley, sunrise is at 7:39 am and sunset at 5:13 pm CST.

How many hours of sunshine does Gridley have in December?

The average sunshine duration in December in Gridley, Kansas, is 5.9h.

What are the months with the lowest UV index in Gridley?

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

How high is the UV index in December in Gridley?

In Gridley, 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 unsafe 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
Gridley, KS

Average temperature in December - Gridley, KS
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in December
Gridley, KS

Average pressure in December - Gridley, 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 (29.88"Hg).

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Average wind speed in December
Gridley, KS

Average wind speed in December - Gridley, KS
  • Average wind speed in December: 10.3mph

The windiest months (with the highest average wind speed) are March and April (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.7mph).

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Average humidity in December
Gridley, KS

Average humidity in December - Gridley, KS
  • Average humidity in December: 71%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in December
Gridley, KS

Average rainfall in December - Gridley, KS
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (5").
The driest months (with the least rainfall) are January and December (0.71").

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Average rainfall days in December
Gridley, KS

Average rainfall days in December - Gridley, KS
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (4.2 days).

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Average snowfall in December
Gridley, KS

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

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Gridley, KS

Average snowfall days in December - Gridley, KS
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is February (3.9 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
Gridley, KS

Average daylight in December / Average sunshine in December - Gridley, KS
  • Average daylight in December: 9h and 34min

The month with the longest days is June (Average daylight: 14h and 46min).
The month with the shortest days is December (Average daylight: 9h and 34min).

  • Average sunshine in December: 5h and 54min

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 36min).

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Average sunshine days in December
Gridley, KS

Average sunshine days in December - Gridley, KS
  • Average sunshine days in December: 23.3 days

The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is July (13.4 days).

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Average UV index in December
Gridley, KS

Average UV index in December - Gridley, KS
  • 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).

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Average cloud cover in December
Gridley, KS

Average cloud cover in December - Gridley, KS
  • Average cloud cover in December: 36

The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 24).

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Average visibility in December
Gridley, KS

Average visibility in December - Gridley, 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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