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 correlates with a reduction in the average high-temperature, down from a fresh 53.6°F (12°C) in November to a frosty 43°F (6.1°C). During December, Weldon Spring witnesses a consistent average low-temperature of 30°F (-1.1°C).Humidity
In Weldon Spring, the average relative humidity in December is 76%.Rainfall
In Weldon Spring, Missouri, during December, the rain falls for 7.2 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, in Weldon Spring, there are 139.6 rainfall days, and 26.1" (663mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Weldon Spring, in December, during 3.5 snowfall days, 1.06" (27mm) of snow is typically accumulated. Throughout the year, in Weldon Spring, there are 18.9 snowfall days, and 4.92" (125mm) of snow is accumulated.Daylight
December has the shortest days of the year in Weldon Spring, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:51 pm CST.
Sunshine
The average sunshine in December in Weldon Spring is 4.9h.UV index
The months with the lowest UV index in Weldon Spring, Missouri, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Weldon Spring?
What is the average humidity in December in Weldon Spring?
How much does it rain in Weldon Spring in December?
How much does it snow in Weldon Spring in December?
What is the month with the shortest days in Weldon Spring?
What is the average length of the day in December in Weldon Spring?
When are sunrise and sunset in December in Weldon Spring?
How long on average sun shines in December in Weldon Spring?
What is the month with the lowest UV index in Weldon Spring?
What is the UV index intensity in December in Weldon Spring?
Average temperature in December
Weldon Spring, MO
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Weldon Spring, 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
Weldon Spring, MO
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in December
Weldon Spring, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Weldon Spring, MO
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in December
Weldon Spring, MO
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Weldon Spring, MO
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Weldon Spring, MO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (6.7 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
Weldon Spring, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Weldon Spring, MO
- Average sunshine days in December: 20.2 days
The months with the most sunshine days are January and December (20.2 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Weldon Spring, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Weldon Spring, MO
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Weldon Spring, 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).
Weldon Spring, Missouri, USA
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