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
As November transitions into December, Port Clarence sees a drop in the average high-temperature, transitioning from 26.4°F (-3.1°C) to a still subzero cold 16.7°F (-8.5°C). With a barely noticeable fluctuation in temperature, Port Clarence reaches an average low of 10.8°F (-11.8°C) during the December nights.Humidity
The average relative humidity in December in Port Clarence is 89%.Rainfall
In December, the rain falls for 1.9 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Port Clarence, there are 86.5 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
Months with snowfall in Port Clarence are January through June, September through December. In Port Clarence, in December, snow falls for 11.1 days, with typically accumulated 2.48" (63mm) of snow. Throughout the year, there are 90 snowfall days, and 20.51" (521mm) of snow is accumulated.Daylight
The month with the shortest days in Port Clarence is December, with an average of 3h and 42min of daylight.On the first day of December, sunrise is at 11:44 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 12:18 pm and sunset at 4:03 pm AKST.
Sunshine
The average sunshine in December is 1.1h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Port Clarence in December?
What is the average humidity in December in Port Clarence?
How many days does it rain in December in Port Clarence?
How many days does it snow in December in Port Clarence?
What is the month with the shortest days in Port Clarence?
How many hours of daylight does Port Clarence have in December?
What time are sunrise and sunset in December in Port Clarence?
How long on average sun shines in December in Port Clarence?
What are the months with the lowest UV index in Port Clarence?
How high is the UV index in December in Port Clarence?
Average temperature in December
Port Clarence, AK
- Average high temperature in December: 16.7°F
The warmest month (with the highest average high temperature) is August (50°F).
The month with the lowest average high temperature is January (9°F).
- Average low temperature in December: 10.8°F
The month with the highest average low temperature is August (45.3°F).
The coldest months (with the lowest average low temperature) are February and March (1.8°F).
Average pressure in December
Port Clarence, AK
- Average pressure in December: 29.77"Hg
The month with the highest atmospheric pressure is May (29.96"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in December
Port Clarence, AK
- Average wind speed in December: 17.5mph
The windiest month (with the highest average wind speed) is December (17.5mph).
The calmest month (with the lowest average wind speed) is May (12mph).
Average humidity in December
Port Clarence, AK
- Average humidity in December: 89%
The month with the highest relative humidity is March (93%).
The months with the lowest relative humidity are October and November (79%).
Average rainfall in December
Port Clarence, AK
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Port Clarence, AK
- Average rainfall days in December: 1.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in December
Port Clarence, AK
- Average snowfall in December: 2.48"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Port Clarence, AK
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is April (13 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Port Clarence, AK
- Average daylight in December: 3h and 4min
The month with the longest days is June (Average daylight: 22h and 0min).
The month with the shortest days is December (Average daylight: 3h and 42min).
- Average sunshine in December: 1h and 1min
The month with the most sunshine is August (Average sunshine: 5h and 42min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in December
Port Clarence, AK
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is June (18.4 days).
The month with the least sunshine days is October (11.1 days).
Average UV index in December
Port Clarence, AK
- Average UV index in December: 1
The month with the highest UV index is July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in December
Port Clarence, AK
- Average cloud cover in December: 76
The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is June (Cloud cover 52).
Average visibility in December
Port Clarence, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).
Port Clarence, Alaska, USA
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