December weather forecast
New Hampton, IA

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Weather in December

December, the first month of the winter in New Hampton, is still a freezing cold month, with an average temperature ranging between min 18.3°F (-7.6°C) and max 28.4°F (-2°C).

Temperature

As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from an icy 42.4°F (5.8°C) to a freezing cold 28.4°F (-2°C). The average temperature during December nights dips to 18.3°F (-7.6°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In December, the rain falls for 3.5 days. Throughout December, 0.43" (11mm) of precipitation is accumulated. Throughout the year, in New Hampton, there are 98 rainfall days, and 9.8" (249mm) of precipitation is accumulated.

Snowfall

Months with snowfall in New Hampton are January through May, October through December. In New Hampton, during December, snow falls for 9 days and regularly aggregates up to 0.91" (23mm) of snow. In New Hampton, during the entire year, snow falls for 36.8 days and aggregates up to 6.22" (158mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in New Hampton.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:35 pm. On the last day of December, in New Hampton, sunrise is at 7:40 am and sunset at 4:44 pm CST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in New Hampton?

In December, in New Hampton, the average high-temperature is 28.4°F (-2°C), and the average low-temperature is 18.3°F (-7.6°C).

What is the average humidity in December in New Hampton?

In New Hampton, Iowa, the average relative humidity in December is 85%.

How many days does it rain in December in New Hampton?

In New Hampton, Iowa, in December, during 3.5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

How many days does it snow in December in New Hampton?

In New Hampton, in December, during 9 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the month with the shortest days in New Hampton?

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

What is the average length of the day in December in New Hampton?

The average day length in December in New Hampton, Iowa, is 9h and 4min.

When is the sunrise / sunset in December in New Hampton?

On the first day of December in New Hampton, sunrise is at 7:21 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:44 pm CST.

How many hours of sunshine does New Hampton have in December?

In December, the average sunshine duration in New Hampton, Iowa, is 4.1h.

When is the lowest UV index in New Hampton?

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

What is the UV index reading in December in New Hampton?

The average daily maximum UV index in December in New Hampton is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
New Hampton, IA

Average temperature in December - New Hampton, IA
  • Average high temperature in December: 28.4°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

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Average pressure in December
New Hampton, IA

Average pressure in December - New Hampton, 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
New Hampton, IA

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

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

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Average humidity in December
New Hampton, IA

Average humidity in December - New Hampton, IA
  • Average humidity in December: 85%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in December
New Hampton, IA

Average rainfall in December - New Hampton, IA
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in December
New Hampton, IA

Average rainfall days in December - New Hampton, IA
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2 days).

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Average snowfall in December
New Hampton, IA

Average snowfall in December - New Hampton, IA
  • Average snowfall in December: 0.91"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
New Hampton, IA

Average snowfall days in December - New Hampton, IA
  • Average snowfall days in December: 9 days

The month with the highest number of snowfall days is January (9.1 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
New Hampton, IA

Average daylight in December / Average sunshine in December - New Hampton, 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 1min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in December
New Hampton, IA

Average sunshine days in December - New Hampton, IA
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is June (13.3 days).

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Average UV index in December
New Hampton, IA

Average UV index in December - New Hampton, IA
  • Average UV index in December: 1

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

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Average cloud cover in December
New Hampton, IA

Average cloud cover in December - New Hampton, IA
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
New Hampton, IA

Average visibility in December - New Hampton, 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).

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New Hampton, Iowa, USA

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