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
Welcoming December, Altamont observes a shift in the average high-temperature, falling from November's cool 50.9°F (10.5°C) to a cold 38.3°F (3.5°C). Altamont observes an average nighttime low-temperature of 25.7°F (-3.5°C) during the month of December.Humidity
The average relative humidity in December is 77%.Rainfall
In Altamont, Missouri, in December, during 6.1 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Altamont, during the entire year, the rain falls for 129.6 days and collects up to 26.02" (661mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 5.1 days. Throughout December, 1.42" (36mm) of snow is accumulated. Throughout the year, in Altamont, there are 25.5 snowfall days, and 11.61" (295mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Altamont.On the first day of December, sunrise is at 7:19 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:01 pm CST.
Sunshine
In December, the average sunshine in Altamont is 5.1h.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 threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
Is it cold in Altamont during December?
What is the average humidity in December in Altamont?
How much does it rain in Altamont in December?
How many days does it snow in December in Altamont?
What is the month with the shortest days in Altamont?
What is the average length of the day in December in Altamont?
When are sunrise and sunset in December in Altamont?
How long on average sun shines in December in Altamont?
What are the months with the lowest UV index in Altamont?
What is the UV index intensity in December in Altamont?
Average temperature in December
Altamont, MO
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Altamont, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Altamont, MO
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Altamont, MO
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (80%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in December
Altamont, MO
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in December
Altamont, MO
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in December
Altamont, MO
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Altamont, MO
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Altamont, MO
- Average daylight in December: 9h and 2min
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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Altamont, MO
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
Altamont, 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
Altamont, MO
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Altamont, 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).
Altamont, Missouri, USA
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