December weather forecast
Hyder, AZ

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Weather in December

The first month of the winter, December, is also an enjoyable month in Hyder, Arizona, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 49.6°F (9.8°C).

Temperature

December is the month that records the lowest temperatures, with averages ranging from a high of 64.8°F (18.2°C) to a low of 49.6°F (9.8°C).

Humidity

The most humid month in Hyder is December, with an average relative humidity of 40%.

Rainfall

In Hyder, in December, it is raining for 3.8 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, in Hyder, Arizona, there are 39.5 rainfall days, and 4.06" (103mm) of precipitation is accumulated.

Daylight

December has the shortest days of the year in Hyder, with an average of 10h and 0min of daylight.
On the first day of December in Hyder, sunrise is at 7:18 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:37 pm MST.

Sunshine

The month with the least sunshine in Hyder, Arizona, is December, with an average of 7.1h of sunshine.

UV index

November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 4 during December leads to these instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What time of the year is the coldest in Hyder?

December brings the lowest temperatures in Hyder, with an average high of 64.8°F (18.2°C) and an average low of 49.6°F (9.8°C).

What is the average December temperature in Hyder?

In Hyder, 64.8°F (18.2°C) is the average high-temperature and 49.6°F (9.8°C) is the average low-temperature during December.

What is the most humid month in Hyder?

With an average relative humidity of 40%, December is the most humid month.

What is the average humidity in December in Hyder?

In December, the average relative humidity in Hyder is 40%.

How many days does it rain in December in Hyder?

In Hyder, Arizona, during December, the rain falls for 3.8 days and regularly aggregates up to 0.39" (10mm) of precipitation.

What is the month with the shortest days in Hyder?

The month with the shortest days in Hyder is December, with an average of 10h and 0min of daylight.

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

The average day length in December in Hyder is 10h and 1min.

When is the sunrise / sunset in December in Hyder?

On the first day of December in Hyder, sunrise is at 7:18 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:37 pm MST.

What is the month with the least sunshine in Hyder?

December has the least sunshine of the year, with an average of 7.1h of sunshine.

How long on average sun shines in December in Hyder?

The average sunshine duration in December is 7.1h.

What are the months with the lowest UV index in Hyder?

November and December, with an average maximum UV index of 4, are months with the lowest UV index in Hyder.

How high is the UV index in December in Hyder?

The average daily maximum UV index in December in Hyder, Arizona, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hyder, AZ

Average temperature in December - Hyder, AZ
  • Average high temperature in December: 64.8°F

The warmest month (with the highest average high temperature) is July (103.8°F).
The month with the lowest average high temperature is December (64.8°F).

  • Average low temperature in December: 49.6°F

The month with the highest average low temperature is August (86.2°F).
The coldest months (with the lowest average low temperature) are January and December (49.6°F).

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Average pressure in December
Hyder, AZ

Average pressure in December - Hyder, AZ
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.73"Hg).

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Average wind speed in December
Hyder, AZ

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

The windiest month (with the highest average wind speed) is July (8.6mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).

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Average humidity in December
Hyder, AZ

Average humidity in December - Hyder, AZ
  • Average humidity in December: 40%

The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (21%).

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Average rainfall in December
Hyder, AZ

Average rainfall in December - Hyder, AZ
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is May (0.04").

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Average rainfall days in December
Hyder, AZ

Average rainfall days in December - Hyder, AZ
  • Average rainfall days in December: 3.8 days

The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is May (1 days).

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

Average daylight in December / Average sunshine in December - Hyder, AZ
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in December
Hyder, AZ

Average sunshine days in December - Hyder, AZ
  • Average sunshine days in December: 27.2 days

The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.3 days).

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Average UV index in December
Hyder, AZ

Average UV index in December - Hyder, AZ
  • Average UV index in December: 4

The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 4).

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Average cloud cover in December
Hyder, AZ

Average cloud cover in December - Hyder, AZ
  • Average cloud cover in December: 18

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in December
Hyder, AZ

Average visibility in December - Hyder, 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).

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Hyder, Arizona, USA

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