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
A change in temperatures is noted as November gives way to December, with average highs reducing from a moderate 56.1°F (13.4°C) to a frosty 46.6°F (8.1°C). Merriam Woods's temperature tends to fall to an average low of 31.5°F (-0.3°C) during the nights of December.Humidity
In December, the average relative humidity is 75%.Rainfall
In Merriam Woods, during December, the rain falls for 7.4 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 142.8 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
Months with snowfall in Merriam Woods are January through April, November and December. In December, it is snowing for 1.5 days. Throughout December, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 9.5 snowfall days, and 3.62" (92mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:56 pm. On the last day of December, in Merriam Woods, sunrise is at 7:24 am and sunset at 5:06 pm CST.
Sunshine
In December, the average sunshine is 5.6h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Merriam Woods, Missouri. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the temperature in December in Merriam Woods?
What is the average humidity in December in Merriam Woods?
How much does it rain in Merriam Woods in December?
How much does it snow in Merriam Woods in December?
What is the month with the shortest days in Merriam Woods?
What is the average length of the day in December in Merriam Woods?
When is the sunrise / sunset in December in Merriam Woods?
How long on average sun shines in December in Merriam Woods?
What are the months with the lowest UV index in Merriam Woods?
What is the UV index reading in December in Merriam Woods?
Average temperature in December
Merriam Woods, MO
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Merriam Woods, 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 (29.93"Hg).
Average wind speed in December
Merriam Woods, MO
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January, February, March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Merriam Woods, MO
- Average humidity in December: 75%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).
Average rainfall in December
Merriam Woods, MO
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in December
Merriam Woods, MO
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Merriam Woods, MO
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Merriam Woods, MO
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.4 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
Merriam Woods, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).
Average sunshine days in December
Merriam Woods, MO
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in December
Merriam Woods, MO
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Merriam Woods, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in December
Merriam Woods, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Merriam Woods, Missouri, USA
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