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 shift from November to December involves a decrease in the average high-temperature, from a chilly 45.9°F (7.7°C) to a freezing cold 31.8°F (-0.1°C). In the month of December, Ricketts's average low-temperature falls to 20.3°F (-6.5°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Ricketts, in December, during 4.5 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 123 rainfall days, and 24.72" (628mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Ricketts, in December, snow falls for 8 days, with typically accumulated 2.44" (62mm) of snow. In Ricketts, during the entire year, snow falls for 36.8 days and aggregates up to 14.53" (369mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:31 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:00 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
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?
How many hours of daylight does Ricketts have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Ricketts, IA
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in December
Ricketts, IA
- 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 (29.87"Hg).
Average wind speed in December
Ricketts, IA
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Ricketts, IA
- Average humidity in December: 80%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in December
Ricketts, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Ricketts, IA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Ricketts, IA
- Average snowfall in December: 2.44"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ricketts, IA
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ricketts, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Ricketts, IA
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in December
Ricketts, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Ricketts, IA
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Ricketts, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Ricketts, Iowa, USA
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