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
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 47.3°F (8.5°C) in November to a wintry 33.8°F (1°C). Oakland observes an average nighttime low-temperature of 21.7°F (-5.7°C) during the month of December.Humidity
The average relative humidity in December is 79%.Rainfall
In Oakland, in December, it is raining for 4 days, with typically 0.59" (15mm) of accumulated precipitation. In Oakland, during the entire year, the rain falls for 105.3 days and collects up to 12.24" (311mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 5.4 days. Throughout December, 0.87" (22mm) of snow is accumulated. In Oakland, during the entire year, snow falls for 28.6 days and aggregates up to 5" (127mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:02 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Oakland have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Oakland have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Oakland, IA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 21.7°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Oakland, 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
Oakland, IA
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Oakland, IA
- Average humidity in December: 79%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Oakland, IA
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in December
Oakland, IA
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is June (14.8 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in December
Oakland, IA
- Average snowfall in December: 0.87"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Oakland, IA
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oakland, IA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Oakland, IA
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in December
Oakland, IA
- 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
Oakland, IA
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Oakland, IA
- 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).
Oakland, Iowa, USA
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