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
December comes with a drop in the average high-temperature, falling from November's moderate 56.1°F (13.4°C) to a frosty 46°F (7.8°C). Granby, during the month of December, experiences an average low-temperature of 31.1°F (-0.5°C).Humidity
In Granby, Missouri, the average relative humidity in December is 74%.Rainfall
In December, the rain falls for 8.2 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. In Granby, during the entire year, the rain falls for 151.1 days and collects up to 33.35" (847mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Granby, in December, snow falls for 3.5 days, with typically accumulated 0.94" (24mm) of snow. Throughout the year, in Granby, there are 18 snowfall days, and 6.26" (159mm) of snow is accumulated.Daylight
The month with the shortest days in Granby is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:10 pm CST.
Sunshine
The average sunshine in December is 5.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Granby. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average December temperature in Granby?
What is the average humidity in December in Granby?
How many days does it rain in December in Granby?
How much does it snow in Granby in December?
What is the month with the shortest days in Granby?
How many hours of daylight does Granby have in December?
When is the sunrise / sunset in December in Granby?
How many hours of sunshine does Granby have in December?
When is the lowest UV index in Granby?
What is the UV index reading in December in Granby?
Average temperature in December
Granby, MO
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in December: 31.1°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 (27.5°F).
Average pressure in December
Granby, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Granby, MO
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Granby, MO
- Average humidity in December: 74%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July, August and October (72%).
Average rainfall in December
Granby, MO
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (5.35").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in December
Granby, MO
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is December (8.2 days).
Average snowfall in December
Granby, MO
- Average snowfall in December: 0.94"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Granby, MO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Granby, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Granby, MO
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Granby, MO
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Granby, MO
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Granby, MO
- 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).
Granby, Missouri, USA
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