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 onset of December is marked by a decrease in temperature, transitioning from a chilly 43.2°F (6.2°C) in November to a subzero cold 29.3°F (-1.5°C). Greene reports an average low-temperature of 18.7°F (-7.4°C) during the nights of December.Humidity
In December, the average relative humidity is 84%.Rainfall
In Greene, in December, it is raining for 5 days, with typically 1.42" (36mm) of accumulated precipitation. In Greene, during the entire year, the rain falls for 127.3 days and collects up to 26.61" (676mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Greene, during December, snow falls for 11.5 days and regularly aggregates up to 3.82" (97mm) of snow. Throughout the year, there are 46.8 snowfall days, and 19.76" (502mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:23 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:47 pm CST.
Sunshine
In December, the average sunshine in Greene, Iowa, is 4.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Greene?
How many days 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?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Greene, IA
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in December: 18.7°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Greene, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Greene, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Greene, IA
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Greene, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Greene, IA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Greene, IA
- Average snowfall in December: 3.82"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greene, IA
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greene, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Greene, IA
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in December
Greene, IA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Greene, IA
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Greene, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Greene, Iowa, USA
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