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 arrival of December corresponds with a reduction in the average high-temperature, down from November's fresh 53.8°F (12.1°C) to a frosty 43°F (6.1°C). Nighttime temperatures in December average to a subzero cold 29.3°F (-1.5°C).Humidity
In Henley, the average relative humidity in December is 76%.Rainfall
In December, in Henley, the rain falls for 6.7 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. In Henley, Missouri, during the entire year, the rain falls for 136.8 days and collects up to 26.18" (665mm) of precipitation.Snowfall
Months with snowfall in Henley are January through May, November and December. In December, in Henley, it is snowing for 5 days. Throughout December, 1.42" (36mm) of snow is accumulated. In Henley, Missouri, during the entire year, snow falls for 23.2 days and aggregates up to 8.03" (204mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:08 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:59 pm CST.
Sunshine
In Henley, the average sunshine in December is 5h.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
Is it cold in Henley during December?
What is the average humidity in December in Henley?
How much does it rain in Henley in December?
How many days does it snow in December in Henley?
What is the month with the shortest days in Henley?
How many hours of daylight does Henley have in December?
When is the sunrise / sunset in December in Henley?
How many hours of sunshine does Henley have in December?
What are the months with the lowest UV index in Henley?
What is the UV index reading in December in Henley?
Average temperature in December
Henley, MO
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Henley, MO
- 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 (29.92"Hg).
Average wind speed in December
Henley, MO
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are January and March (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Henley, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in December
Henley, MO
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Henley, MO
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (16.3 days).
The months with the least rainy days are January and December (6.7 days).
Average snowfall in December
Henley, MO
- Average snowfall in December: 1.42"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Henley, MO
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is February (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
Henley, MO
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in December
Henley, MO
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Henley, 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
Henley, MO
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Henley, 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).
Henley, Missouri, USA
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