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 signals a clear temperature drop, with average high-temperatures decreasing from November's cold 41.7°F (5.4°C) to a freezing cold 27.3°F (-2.6°C). During the nights in December, Joice observes an average low-temperature of 16.5°F (-8.6°C).Humidity
In Joice, the average relative humidity in December is 87%.Rainfall
In December, in Joice, the rain falls for 5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Joice, during the entire year, the rain falls for 138.3 days and collects up to 28.15" (715mm) of precipitation.Snowfall
Months with snowfall in Joice, Iowa, are January through May, October through December. In Joice, during December, snow falls for 13.7 days and regularly aggregates up to 4.76" (121mm) of snow. In Joice, during the entire year, snow falls for 62.9 days and aggregates up to 28.23" (717mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:27 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:48 pm CST.
Sunshine
In Joice, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index in Joice are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 1 in December translates into these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold is December in Joice?
What is the average humidity in December in Joice?
How much does it rain in Joice in December?
How much does it snow in Joice in December?
What is the month with the shortest days in Joice?
What is the average length of the day in December in Joice?
When are sunrise and sunset in December in Joice?
How many hours of sunshine does Joice have in December?
What are the months with the lowest UV index in Joice?
How high is the UV index in December in Joice?
Average temperature in December
Joice, IA
- Average high temperature in December: 27.3°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 (21.7°F).
- Average low temperature in December: 16.5°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 (9.3°F).
Average pressure in December
Joice, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Joice, IA
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in December
Joice, IA
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Joice, IA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (4.41").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Joice, IA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Joice, IA
- Average snowfall in December: 4.76"
The month with the highest snowfall is February (7.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Joice, IA
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Joice, IA
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Joice, IA
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in December
Joice, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Joice, IA
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Joice, IA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
Joice, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
