Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Hyder notes the coldest temperatures in December, with a high average of 64.8°F (18.2°C) and a low of 49.6°F (9.8°C).Humidity
With an average relative humidity of 40%, December is the most humid month.Rainfall
In Hyder, in December, during 3.8 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 39.5 rainfall days, and 4.06" (103mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 5:26 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:37 pm MST.
Sunshine
With an average of 7.1h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in December interprets into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Hyder have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Hyder have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
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).
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).
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).
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%).
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").
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).
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).
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).
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).
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).
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).
Hyder, Arizona, USA
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