Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December comes with a reduction in the average high-temperature, receding from a cool 54.3°F (12.4°C) in November to a frosty 42.8°F (6°C). Throughout December, Gridley encounters an average temperature drop to a freezing cold 28.9°F (-1.7°C).Humidity
The average relative humidity in December is 71%.Rainfall
The months with the least rainfall in Gridley are January and December Rain falls for 4.6 days and accumulates 0.71" (18mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Gridley, in December, 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
With an average of 9h and 36min of daylight, December has the shortest days of the year.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 5:14 pm CST.
Sunshine
In December, the average sunshine is 5.9h.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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Gridley in December?
What is the average humidity in December in Gridley?
What is the driest month in Gridley?
How many days does it rain in December in Gridley?
How many days does it snow in December in Gridley?
What is the month with the shortest days in Gridley?
How many hours of daylight does Gridley have in December?
What time are sunrise and sunset in December in Gridley?
How long on average sun shines in December in Gridley?
What are the months with the lowest UV index in Gridley?
How high is the UV index in December in Gridley?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Gridley, KS
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 5h and 5min
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).
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).
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).
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).
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).
Gridley, Kansas, USA
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