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 snowfall in December
- Average snowfall 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
Port Safety's December weather shows a moderate shift in high-temperatures, falling from November's 24.8°F (-4°C) to a still subzero cold 15.3°F (-9.3°C). In Port Safety, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 8.1°F (-13.3°C).Humidity
In December, the average relative humidity in Port Safety is 87%.Rainfall
In December, the rain falls for 1.9 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 81.6 rainfall days, and 16.77" (426mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Port Safety. In Port Safety, during December, snow falls for 11.3 days and regularly aggregates up to 3.7" (94mm) of snow. In Port Safety, Alaska, during the entire year, snow falls for 65.1 days and aggregates up to 25" (635mm) of snow.Daylight
The month with the shortest days in Port Safety is December, with an average of 4h and 12min of daylight.On the first day of the month, sunrise is at 11:24 am and sunset at 4:13 pm. On the last day of December, in Port Safety, Alaska, sunrise is at 11:55 am and sunset at 4:09 pm AKST.
Sunshine
In Port Safety, the average sunshine in December is 2.4h.UV index
The months with the lowest UV index are January, October through December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is December in Port Safety?
What is the average humidity in December in Port Safety?
How many days does it rain in December in Port Safety?
How much does it snow in Port Safety in December?
What is the month with the shortest days in Port Safety?
How many hours of daylight does Port Safety have in December?
When are sunrise and sunset in December in Port Safety?
How many hours of sunshine does Port Safety have in December?
What is the month with the lowest UV index in Port Safety?
What is the UV index reading in December in Port Safety?
Average temperature in December
Port Safety, AK
- Average high temperature in December: 15.3°F
The warmest month (with the highest average high temperature) is July (54.3°F).
The month with the lowest average high temperature is January (10.4°F).
- Average low temperature in December: 8.1°F
The months with the highest average low temperature are July and August (48.7°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).
Average pressure in December
Port Safety, AK
- Average pressure in December: 29.73"Hg
The month with the highest atmospheric pressure is May (29.94"Hg).
The month with the lowest atmospheric pressure is October (29.7"Hg).
Average wind speed in December
Port Safety, AK
- Average wind speed in December: 11.7mph
The windiest month (with the highest average wind speed) is November (13.2mph).
The calmest month (with the lowest average wind speed) is May (8mph).
Average humidity in December
Port Safety, AK
- Average humidity in December: 87%
The months with the highest relative humidity are February and March (89%).
The month with the lowest relative humidity is June (76%).
Average rainfall in December
Port Safety, AK
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is May (0.71").
Average rainfall days in December
Port Safety, AK
- Average rainfall days in December: 1.9 days
The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Port Safety, AK
- Average snowfall in December: 3.7"
The month with the highest snowfall is March (5.08").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Port Safety, AK
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is December (11.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Port Safety, AK
- Average daylight in December: 4h and 1min
The month with the longest days is June (Average daylight: 21h and 6min).
The month with the shortest days is December (Average daylight: 4h and 12min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in December
Port Safety, AK
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is March (20.8 days).
The month with the least sunshine days is August (13.6 days).
Average UV index in December
Port Safety, AK
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are January, October, November and December (UV index 1).
Average cloud cover in December
Port Safety, AK
- Average cloud cover in December: 56
The month with the most cloud cover is July (Cloud cover 60).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in December
Port Safety, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Port Safety, Alaska, USA
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