December weather forecast
Humboldt, AZ

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Weather in December

The first month of the winter, December, is also a fresh month in Humboldt, Arizona, with an average temperature fluctuating between 50°F (10°C) and 31.1°F (-0.5°C).

Temperature

December is the coldest month of the year, registering average temperatures as high as 50°F (10°C) and as low as 31.1°F (-0.5°C).

Humidity

With an average relative humidity of 58%, December is the most humid month in Humboldt.

Rainfall

In December, the rain falls for 4.4 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Humboldt, Arizona, during the entire year, the rain falls for 74.4 days and collects up to 12.68" (322mm) of precipitation.

Snowfall

January through May, September, November and December are months with snowfall. In Humboldt, during December, snow falls for 4.8 days and regularly aggregates up to 5.12" (130mm) of snow. Throughout the year, there are 16.4 snowfall days, and 19.37" (492mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:18 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:35 am and sunset at 5:29 pm MST.

Sunshine

The month with the least sunshine is December, with an average of 6.8h of sunshine.

UV index

The month with the lowest UV index in Humboldt is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 during December leads to these advisories:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Humboldt witnesses the coldest weather in December, with temperatures averaging a high of 50°F (10°C) and a low of 31.1°F (-0.5°C).

What is the average December temperature?

The high-temperature, in December, in Humboldt, is 50°F (10°C), while the low-temperature averages to 31.1°F (-0.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is computed to be 80.6°F (27°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 58%.

What is the average humidity in December?

The average relative humidity in December is 58%.

How many days does it rain in December?

In December, the rain falls for 4.4 days. Throughout December, 1.18" (30mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 4.8 days. Throughout December, 5.12" (130mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

How many hours of daylight does Humboldt have in December?

The average day length in December is 9h and 53min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:29 pm MST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 6.8h of sunshine.

How many hours of sunshine does Humboldt have in December?

In December, the average sunshine duration is 6.8h.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 2.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Humboldt, AZ

Average temperature in December - Humboldt, AZ
  • Average high temperature in December: 50°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (50°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).

Average pressure in December
Humboldt, AZ

Average pressure in December - Humboldt, AZ
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Humboldt, AZ

Average wind speed in December - Humboldt, AZ
  • Average wind speed in December: 5.6mph

The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Humboldt, AZ

Average humidity in December - Humboldt, AZ
  • Average humidity in December: 58%

The month with the highest relative humidity is December (58%).
The month with the lowest relative humidity is June (23%).

Average rainfall in December
Humboldt, AZ

Average rainfall in December - Humboldt, AZ
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in December
Humboldt, AZ

Average rainfall days in December - Humboldt, AZ
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is June (1.8 days).

Average snowfall in December
Humboldt, AZ

Average snowfall in December - Humboldt, AZ
  • Average snowfall in December: 5.12"

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and October (0").

Average snowfall days in December
Humboldt, AZ

Average snowfall days in December - Humboldt, AZ
  • Average snowfall days in December: 4.8 days

The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are June, July, August and October (0 days).

Average daylight in December /
Average sunshine in December
Humboldt, AZ

Average daylight in December / Average sunshine in December - Humboldt, AZ
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in December
Humboldt, AZ

Average sunshine days in December - Humboldt, AZ
  • Average sunshine days in December: 22.7 days

The month with the most sunshine days is June (27.4 days).
The month with the least sunshine days is August (13.2 days).

Average UV index in December
Humboldt, AZ

Average UV index in December - Humboldt, AZ
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Humboldt, AZ

Average cloud cover in December - Humboldt, AZ
  • Average cloud cover in December: 23

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 6).

Average visibility in December
Humboldt, AZ

Average visibility in December - Humboldt, AZ
  • Average visibility in December: 6mi

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

Humboldt, Arizona, USA

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