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 54.9°F (12.7°C) in November to a frosty 45.3°F (7.4°C). During the month of December, the nighttime temperature falls to an average of 31.3°F (-0.4°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Pomona, in December, it is raining for 9.3 days, with typically 2.4" (61mm) of accumulated precipitation. In Pomona, during the entire year, the rain falls for 156 days and collects up to 35.08" (891mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Pomona, during December, snow falls for 3.5 days and regularly aggregates up to 1.54" (39mm) of snow. In Pomona, during the entire year, snow falls for 18.4 days and aggregates up to 8.78" (223mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:02 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:01 pm CST.
Sunshine
In Pomona, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December in Pomona?
How many hours of sunshine does Pomona have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Pomona, MO
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in December: 31.3°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 (26.6°F).
Average pressure in December
Pomona, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Pomona, MO
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Pomona, MO
- Average humidity in December: 77%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Pomona, MO
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Pomona, MO
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Pomona, MO
- Average snowfall in December: 1.54"
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
Pomona, MO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pomona, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Pomona, 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 August (11.3 days).
Average UV index in December
Pomona, 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, February and December (UV index 2).
Average cloud cover in December
Pomona, MO
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Pomona, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Pomona, Missouri, USA
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