December weather forecastHyder, AK
December
Weather in December
December, the first month of the winter in Hyder, is also a subzero cold month, with an average temperature varying between 13.1°F (-10.5°C) and 21.9°F (-5.6°C).Temperature
With average temperatures fluctuating between a high of 21.9°F (-5.6°C) and a low of 13.1°F (-10.5°C), December stands out as the coldest month.Humidity
In December, the average relative humidity is 92%.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 5.28" (134mm) of precipitation is accumulated. Throughout the year, there are 179.3 rainfall days, and 48.31" (1227mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hyder are January through May, October through December. December is the month with the most snowfall. Snow falls for 17.5 days and accumulates 23.78" (604mm) of snow.Daylight
With an average of 7h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:47 am and sunset at 3:11 pm. On the last day of December, sunrise is at 8:10 am and sunset at 3:16 pm AKST.
Sunshine
In Hyder, the average sunshine in December is 2.4h.UV index
January through March, September through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hyder, AK
- Average high temperature in December: 21.9°F
The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is December (21.9°F).
- Average low temperature in December: 13.1°F
The month with the highest average low temperature is July (43.9°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in December
Hyder, AK
- Average pressure in December: 29.96"Hg
The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.87"Hg).
Average wind speed in December
Hyder, AK
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is January (5.9mph).
The calmest months (with the lowest average wind speed) are June, July and August (4.1mph).
Average humidity in December
Hyder, AK
- Average humidity in December: 92%
The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are May, June and July (82%).
Average rainfall in December
Hyder, AK
- Average rainfall in December: 5.28"
The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days in December
Hyder, AK
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is April (21 days).
The months with the least rainy days are February, July and December (11.4 days).
Average snowfall in December
Hyder, AK
- Average snowfall in December: 23.78"
The month with the highest snowfall is December (23.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hyder, AK
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is December (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hyder, AK
- Average daylight in December: 7h and 6min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is June (Average sunshine: 8h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Hyder, AK
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is April (6.4 days).
Average UV index in December
Hyder, AK
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, September, October, November and December (UV index 1).
Average cloud cover in December
Hyder, AK
- Average cloud cover in December: 70
The months with the most cloud cover are January and November (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 57).
Average visibility in December
Hyder, AK
- Average visibility in December: 3mi
The months with the highest visibility are May and June (5mi).
The months with the lowest visibility are January and December (3mi).
