December weather forecastWestphalia, MO
December
Weather in December
The first month of the winter, December, is still a chilly month in Westphalia, Missouri, with an average temperature ranging between min 29.1°F (-1.6°C) and max 42.8°F (6°C).Temperature
In Westphalia, the average high-temperature in December drops from a cool 53.8°F (12.1°C) in November to a chilly 42.8°F (6°C). December brings Westphalia a consistent average low-temperature of 29.1°F (-1.6°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Westphalia, Missouri, during December, the rain falls for 4.6 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, in Westphalia, Missouri, there are 93.7 rainfall days, and 9.29" (236mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Westphalia. In Westphalia, in December, during 2.8 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, in Westphalia, Missouri, there are 14.9 snowfall days, and 2.13" (54mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:07 am and sunset at 4:47 pm. On the last day of December, in Westphalia, Missouri, sunrise is at 7:25 am and sunset at 4:57 pm CST.
Sunshine
In December, the average sunshine 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 Westphalia. A UV Index reading of 2, and below, represents a minimal health vulnerability 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:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Westphalia, MO
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Westphalia, 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
Westphalia, MO
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Westphalia, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Westphalia, MO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in December
Westphalia, MO
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).
Average snowfall in December
Westphalia, MO
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Westphalia, MO
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (5.2 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
Westphalia, MO
- Average daylight in December: 9h and 30min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Westphalia, MO
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).
Average UV index in December
Westphalia, 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
Westphalia, MO
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Westphalia, 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).
