December weather forecastSperry, MO
December
Weather in December
The first month of the winter, December, is also an icy month in Sperry, Missouri, with an average temperature fluctuating between 25.2°F (-3.8°C) and 37.4°F (3°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's frosty 49.5°F (9.7°C) to a wintry 37.4°F (3°C). Sperry usually reports an average low-temperature of 25.2°F (-3.8°C) during the month of December.Humidity
The average relative humidity in December is 79%.Rainfall
In Sperry, in December, it is raining for 6.8 days, with typically 1.18" (30mm) of accumulated precipitation. In Sperry, during the entire year, the rain falls for 136.5 days and collects up to 26.69" (678mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 4.9 days. Throughout December, 1.46" (37mm) of snow is accumulated. In Sperry, during the entire year, snow falls for 24.6 days and aggregates up to 11.34" (288mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:54 pm CST.
Sunshine
The average sunshine in December is 4.8h.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 unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sperry, MO
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Sperry, MO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Sperry, MO
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January and February (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Sperry, MO
- Average humidity in December: 79%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Sperry, MO
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Sperry, MO
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Sperry, MO
- Average snowfall in December: 1.46"
The month with the highest snowfall is January (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sperry, MO
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sperry, MO
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Sperry, MO
- Average sunshine days in December: 20 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in December
Sperry, MO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sperry, MO
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Sperry, 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).
