December weather forecast
Weldon, IA

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Weather in December

The first month of the winter, December, is still a cold month in Weldon, Iowa, with an average temperature ranging between max 34.9°F (1.6°C) and min 22.8°F (-5.1°C).

Temperature

Transition into December marks a drop in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in November to a cold 34.9°F (1.6°C). December in Weldon witnesses an average low-temperature hovering around a freezing cold 22.8°F (-5.1°C).

Humidity

In Weldon, Iowa, the average relative humidity in December is 79%.

Rainfall

The month with the least rainfall is December, when the rain falls for 4.9 days and typically collects 0.63" (16mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Weldon, during December, snow falls for 6.2 days and regularly aggregates up to 1.22" (31mm) of snow. In Weldon, during the entire year, snow falls for 30.8 days and aggregates up to 11.77" (299mm) of snow.

Daylight

December has the shortest days of the year in Weldon, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:57 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

In December, the average daily maximum UV index in Weldon is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

How cold is it in Weldon in December?

The high-temperature during December is 34.9°F (1.6°C) and the low-temperature is 22.8°F (-5.1°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in December in Weldon?

The average relative humidity in December in Weldon is 79%.

What is the driest month in Weldon?

The month with the least rainfall in Weldon is December, when the rain falls for 4.9 days and typically collects 0.63" (16mm) of precipitation.

How many days does it rain in December in Weldon?

In December, the rain falls for 4.9 days. Throughout December, 0.63" (16mm) of precipitation is accumulated.

How much does it snow in Weldon in December?

In Weldon, in December, snow falls for 6.2 days, with typically accumulated 1.22" (31mm) of snow.

What is the month with the shortest days in Weldon?

The month with the shortest days in Weldon, Iowa, is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Weldon have in December?

In Weldon, the average day length in December is 9h and 18min.

When is the sunrise / sunset in December in Weldon?

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:57 pm CST.

How many hours of sunshine does Weldon have in December?

In December, the average sunshine duration in Weldon is 4.7h.

What is the UV index reading in December in Weldon?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Weldon, IA

Average temperature in December - Weldon, IA
  • Average high temperature in December: 34.9°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in December: 22.8°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 (15.8°F).

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Average pressure in December
Weldon, IA

Average pressure in December - Weldon, IA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
Weldon, IA

Average wind speed in December - Weldon, IA
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in December
Weldon, IA

Average humidity in December - Weldon, IA
  • Average humidity in December: 79%

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

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Average rainfall in December
Weldon, IA

Average rainfall in December - Weldon, IA
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is December (0.63").

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Average rainfall days in December
Weldon, IA

Average rainfall days in December - Weldon, IA
  • Average rainfall days in December: 4.9 days

The months with the highest number of rainy days are May and June (16.4 days).
The months with the least rainy days are January and February (3.7 days).

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Average snowfall in December
Weldon, IA

Average snowfall in December - Weldon, IA
  • Average snowfall in December: 1.22"

The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Weldon, IA

Average snowfall days in December - Weldon, IA
  • Average snowfall days in December: 6.2 days

The month with the highest number of snowfall days is January (9.2 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
Weldon, IA

Average daylight in December / Average sunshine in December - Weldon, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in December
Weldon, IA

Average sunshine days in December - Weldon, IA
  • Average sunshine days in December: 21 days

The month with the most sunshine days is December (21 days).
The months with the least sunshine days are May and June (11.3 days).

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Average UV index in December
Weldon, IA

Average UV index in December - Weldon, IA
  • Average UV index in December: 2

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

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Average cloud cover in December
Weldon, IA

Average cloud cover in December - Weldon, IA
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in December
Weldon, IA

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

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

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Weldon, Iowa, USA

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