December weather forecast
Muscatine, IA

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Weather in December

Concluding the calendar year, December in Muscatine experiences full winter conditions. It starts to feel significantly colder with the highest temperature reaching only 34.7°F (1.5°C). With snowfall reaching up to 2.2" (56mm), a winter wonderland ensues. Despite the biting cold, the landscape under a blanket of snow makes for a captivating sight.

Temperature

The start of December in Muscatine involves a temperature drop, moving from a chilly 47.1°F (8.4°C) in November to a cold 34.7°F (1.5°C). An average nighttime temperature of 23.9°F (-4.5°C) is recorded during December.

Humidity

In Muscatine, Iowa, the average relative humidity in December is 80%.

Rainfall

The months with the least rainfall in Muscatine are February and December Rain falls for 7.8 days and accumulates 1.46" (37mm) of rain.

Snowfall

January through April, October through December are months with snowfall in Muscatine. In December, in Muscatine, it is snowing for 8 days. Throughout December, 2.2" (56mm) of snow is accumulated. Throughout the year, there are 40.1 snowfall days, and 16.38" (416mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Muscatine.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:35 pm. On the last day of December, in Muscatine, Iowa, sunrise is at 7:30 am and sunset at 4:44 pm CST.

Sunshine

In Muscatine, the average sunshine in December is 4.6h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

How cold is December in Muscatine?

The high-temperature, in December, in Muscatine, records 34.7°F (1.5°C), while the low-temperature is 23.9°F (-4.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 86°F (30°C).

What is the average humidity in December in Muscatine?

The average relative humidity in December is 80%.

What is the driest month in Muscatine?

February and December are months with the least rain in Muscatine, Iowa, when the rain falls for 7.8 days and typically aggregates up to 1.46" (37mm) of rain.

How many days does it rain in December in Muscatine?

In Muscatine, in December, it is raining for 7.8 days, with typically 1.46" (37mm) of accumulated precipitation.

How much does it snow in Muscatine in December?

In Muscatine, Iowa, in December, snow falls for 8 days, with typically accumulated 2.2" (56mm) of snow.

What is the month with the shortest days in Muscatine?

The month with the shortest days in Muscatine, Iowa, is December, with an average of 9h and 12min of daylight.

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

In Muscatine, Iowa, the average day length in December is 9h and 14min.

What time are sunrise and sunset in December in Muscatine?

On the first day of December in Muscatine, Iowa, sunrise is at 7:11 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:44 pm CST.

How many hours of sunshine does Muscatine have in December?

In Muscatine, the average sunshine duration in December is 4.6h.

What is the month with the lowest UV index in Muscatine?

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

What is the UV index reading in December in Muscatine?

The average daily maximum UV index in December in Muscatine, Iowa, is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
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
Muscatine, IA

Average temperature in December - Muscatine, IA
  • Average high temperature in December: 34.7°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 (28.4°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

Average pressure in December
Muscatine, IA

Average pressure in December - Muscatine, 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 (29.9"Hg).

Average wind speed in December
Muscatine, IA

Average wind speed in December - Muscatine, IA
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in December
Muscatine, IA

Average humidity in December - Muscatine, IA
  • Average humidity in December: 80%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Muscatine, IA

Average rainfall in December - Muscatine, IA
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is May (5").
The driest months (with the least rainfall) are February and December (1.46").

Average rainfall days in December
Muscatine, IA

Average rainfall days in December - Muscatine, IA
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and February (6.3 days).

Average snowfall in December
Muscatine, IA

Average snowfall in December - Muscatine, IA
  • Average snowfall in December: 2.2"

The month with the highest snowfall is January (4.92").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Muscatine, IA

Average snowfall days in December - Muscatine, IA
  • Average snowfall days in December: 8 days

The month with the highest number of snowfall days is January (12.2 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
Muscatine, IA

Average daylight in December / Average sunshine in December - Muscatine, IA
  • Average daylight in December: 9h and 1min

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 12min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Muscatine, IA

Average sunshine days in December - Muscatine, IA
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in December
Muscatine, IA

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Muscatine, IA

Average cloud cover in December - Muscatine, IA
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).

Average visibility in December
Muscatine, IA

Average visibility in December - Muscatine, IA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

Muscatine, Iowa, USA

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