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's arrival corresponds with a decrease in average high-temperatures, from November's cool 50.9°F (10.5°C) to a cold 38.5°F (3.6°C). Throughout December, Hamilton witnesses a nighttime temperature average of 25.7°F (-3.5°C).Humidity
In Hamilton, the average relative humidity in December is 77%.Rainfall
In Hamilton, in December, during 6 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 133.8 rainfall days, and 27.17" (690mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hamilton, in December, snow falls for 5.1 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, there are 24.3 snowfall days, and 11.54" (293mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:18 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:01 pm CST.
Sunshine
The average sunshine in December 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 in Hamilton. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.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. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
How cold is December in Hamilton?
What is the average humidity in December in Hamilton?
How many days does it rain in December in Hamilton?
How many days does it snow in December in Hamilton?
What is the month with the shortest days in Hamilton?
What is the average length of the day in December in Hamilton?
When is the sunrise / sunset in December in Hamilton?
How many hours of sunshine does Hamilton have in December?
What is the month with the lowest UV index in Hamilton?
What is the UV index reading in December in Hamilton?
Average temperature in December
Hamilton, MO
- Average high temperature in December: 38.5°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 (34.2°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Hamilton, 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
Hamilton, MO
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are February and March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Hamilton, MO
- Average humidity in December: 77%
The months with the highest relative humidity are May, June, July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Hamilton, MO
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is June (3.82").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in December
Hamilton, MO
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Hamilton, MO
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hamilton, MO
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hamilton, MO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Hamilton, MO
- Average sunshine days in December: 21 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
Hamilton, 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
Hamilton, 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
Hamilton, 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).
Hamilton, Missouri, USA
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