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 signals a shift in temperature, down from a chilly 45.7°F (7.6°C) in November to a cold 33.4°F (0.8°C). The low-temperature average for Welton during December stands at a freezing cold 22.6°F (-5.2°C).Humidity
In Welton, the average relative humidity in December is 82%.Rainfall
In Welton, in December, it is raining for 7.3 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Welton, there are 142.1 rainfall days, and 28.35" (720mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Welton, in December, during 8.5 snowfall days, 2.28" (58mm) of snow is typically accumulated. In Welton, Iowa, during the entire year, snow falls for 39.7 days and aggregates up to 15.67" (398mm) of snow.Daylight
The month with the shortest days in Welton is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:32 pm. On the last day of December, in Welton, sunrise is at 7:29 am and sunset at 4:41 pm CST.
Sunshine
In December, the average sunshine in Welton is 4.3h.UV index
The average daily maximum UV index in December in Welton is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Welton?
What is the average humidity in December in Welton?
How many days does it rain in December in Welton?
How much does it snow in Welton in December?
What is the month with the shortest days in Welton?
How many hours of daylight does Welton have in December?
When are sunrise and sunset in December in Welton?
How many hours of sunshine does Welton have in December?
What is the UV index intensity in December in Welton?
Average temperature in December
Welton, IA
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 22.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Welton, IA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Welton, IA
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Welton, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Welton, IA
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in December
Welton, IA
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Welton, IA
- Average snowfall in December: 2.28"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Welton, IA
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (11.5 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
Welton, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Welton, IA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Welton, IA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Welton, IA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Welton, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Welton, Iowa, USA
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