December weather forecast
Evansdale, IA

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Weather in December

The first month of the winter, December, is still a freezing cold month in Evansdale, Iowa, with an average temperature ranging between min 20.5°F (-6.4°C) and max 31.1°F (-0.5°C).

Temperature

As December arrives, Evansdale's weather displays a decrease in high-temperatures, transitioning from November's chilly 44.1°F (6.7°C) to a freezing cold 31.1°F (-0.5°C). December witnesses an average nighttime temperature of 20.5°F (-6.4°C) in Evansdale.

Humidity

In Evansdale, Iowa, the average relative humidity in December is 82%.

Rainfall

In December, in Evansdale, the rain falls for 5.8 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. Throughout the year, in Evansdale, there are 133.6 rainfall days, and 28.27" (718mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Evansdale, in December, during 8.9 snowfall days, 2.8" (71mm) of snow is typically accumulated. In Evansdale, during the entire year, snow falls for 41.6 days and aggregates up to 15.24" (387mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Evansdale.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:46 pm CST.

Sunshine

The average sunshine in December is 4.3h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the UV index of 1 transforms into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is it in Evansdale in December?

In December, the average high-temperature and low-temperature are 31.1°F (-0.5°C) and 20.5°F (-6.4°C) respectively.

What is the average humidity in December in Evansdale?

In December, the average relative humidity is 82%.

How many days does it rain in December in Evansdale?

In Evansdale, Iowa, during December, the rain falls for 5.8 days and regularly aggregates up to 1.34" (34mm) of precipitation.

How much does it snow in Evansdale in December?

In December, in Evansdale, it is snowing for 8.9 days. Throughout December, 2.8" (71mm) of snow is accumulated.

What is the month with the shortest days in Evansdale?

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

How many hours of daylight does Evansdale have in December?

In Evansdale, Iowa, the average day length in December is 9h and 8min.

When are sunrise and sunset in December in Evansdale?

On the first day of December in Evansdale, Iowa, sunrise is at 7:19 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:46 pm CST.

How long on average sun shines in December in Evansdale?

The average sunshine duration in December in Evansdale, Iowa, is 4.3h.

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

December is the month with the lowest UV index, with an average maximum UV index of 1.

How high is the UV index in December in Evansdale?

The average daily maximum UV index in December in Evansdale is 1. A UV Index of 2, and less, symbolizes a low health threat 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
Evansdale, IA

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

The warmest month (with the highest average high temperature) is July (80.1°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 (63.1°F).
The coldest month (with the lowest average low temperature) is January (12°F).

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Average pressure in December
Evansdale, IA

Average pressure in December - Evansdale, 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).

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Average wind speed in December
Evansdale, IA

Average wind speed in December - Evansdale, IA
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in December
Evansdale, IA

Average humidity in December - Evansdale, IA
  • Average humidity in December: 82%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Evansdale, IA

Average rainfall in December - Evansdale, IA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is June (4.29").
The driest months (with the least rainfall) are January and February (1.02").

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Average rainfall days in December
Evansdale, IA

Average rainfall days in December - Evansdale, IA
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (4 days).

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Average snowfall in December
Evansdale, IA

Average snowfall in December - Evansdale, IA
  • Average snowfall in December: 2.8"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Evansdale, IA

Average snowfall days in December - Evansdale, IA
  • Average snowfall days in December: 8.9 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Evansdale, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in December
Evansdale, IA

Average sunshine days in December - Evansdale, IA
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (10 days).

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Average UV index in December
Evansdale, IA

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

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Evansdale, IA

Average cloud cover in December - Evansdale, IA
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Evansdale, IA

Average visibility in December - Evansdale, 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).

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Evansdale, Iowa, USA

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