December weather forecast
Oneida, IA

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Weather in December

December, the first month of the winter in Oneida, is also a subzero cold month, with temperature in the range of an average low of 20.5°F (-6.4°C) and an average high of 31.1°F (-0.5°C).

Temperature

The transition into December indicates a reduction in the average high-temperature, down to a subzero cold 31.1°F (-0.5°C) from November's frosty 43.7°F (6.5°C). Oneida reports an average nighttime low-temperature of 20.5°F (-6.4°C) in December.

Humidity

In Oneida, the average relative humidity in December is 83%.

Rainfall

December is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.47" (12mm) of precipitation.

Snowfall

Months with snowfall in Oneida, Iowa, are January through April, October through December. In December, in Oneida, Iowa, it is snowing for 8.8 days. Throughout December, 0.94" (24mm) of snow is accumulated. In Oneida, during the entire year, snow falls for 39.4 days and aggregates up to 6.81" (173mm) of snow.

Daylight

The month with the shortest days in Oneida is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:42 pm CST.

Sunshine

In December, the average sunshine in Oneida is 4h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 1 during December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Oneida?

Oneida in December has an average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 20.5°F (-6.4°C).

What is the average humidity in December in Oneida?

In Oneida, Iowa, the average relative humidity in December is 83%.

What is the driest month in Oneida?

December is the month with the least rainfall in Oneida, Iowa. Rain falls for 4.5 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in December in Oneida?

In Oneida, in December, during 4.5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

How much does it snow in Oneida in December?

In Oneida, Iowa, in December, snow falls for 8.8 days, with typically accumulated 0.94" (24mm) of snow.

What is the month with the shortest days in Oneida?

December has the shortest days of the year in Oneida, with an average of 9h and 6min of daylight.

What is the average length of the day in December in Oneida?

In Oneida, Iowa, the average day length in December is 9h and 7min.

When is the sunrise / sunset in December in Oneida?

On the first day of December in Oneida, Iowa, sunrise is at 7:16 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:42 pm CST.

How long on average sun shines in December in Oneida?

In Oneida, the average sunshine duration in December is 4h.

What are the months with the lowest UV index in Oneida?

The months with the lowest UV index in Oneida are January, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Oneida?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Oneida, IA

Average temperature in December - Oneida, IA
  • Average high temperature in December: 31.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in December: 20.5°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in December
Oneida, IA

Average pressure in December - Oneida, 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
Oneida, IA

Average wind speed in December - Oneida, 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 (7.1mph).

Average humidity in December
Oneida, IA

Average humidity in December - Oneida, IA
  • Average humidity in December: 83%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (75%).

Average rainfall in December
Oneida, IA

Average rainfall in December - Oneida, IA
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is December (0.47").

Average rainfall days in December
Oneida, IA

Average rainfall days in December - Oneida, IA
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in December
Oneida, IA

Average snowfall in December - Oneida, IA
  • Average snowfall in December: 0.94"

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Oneida, IA

Average snowfall days in December - Oneida, IA
  • Average snowfall days in December: 8.8 days

The month with the highest number of snowfall days is January (10.8 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
Oneida, IA

Average daylight in December / Average sunshine in December - Oneida, 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 0min

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
Oneida, IA

Average sunshine days in December - Oneida, IA
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in December
Oneida, IA

Average UV index in December - Oneida, IA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Oneida, IA

Average cloud cover in December - Oneida, IA
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in December
Oneida, IA

Average visibility in December - Oneida, 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).

Oneida, Iowa, USA

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