Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, recording an average high temperature of 28.9°F (-1.7°C) and a low temperature of 23.4°F (-4.8°C), is Port Heiden's coldest month.Humidity
The most humid month is January, with an average relative humidity of 88%.Rainfall
In Port Heiden, during January, the rain falls for 10.2 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Port Heiden, during the entire year, the rain falls for 160.7 days and collects up to 16.57" (421mm) of precipitation.Snowfall
Months with snowfall in Port Heiden are January through May, September through December. In Port Heiden, during January, snow falls for 14.5 days and regularly aggregates up to 3.78" (96mm) of snow. Throughout the year, there are 83.4 snowfall days, and 23.94" (608mm) of snow is accumulated.Daylight
In January, the average length of the day is 7h and 34min.On the first day of the month, sunrise is at 10:11 am and sunset at 5:04 pm. On the last day of January, sunrise is at 9:35 am and sunset at 6:00 pm AKST.
Sunshine
In Port Heiden, the average sunshine in January is 2.5h.UV index
In Port Heiden, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 suggests these recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the coldest month in Port Heiden?
How cold is it in Port Heiden in January?
What is the most humid month in Port Heiden?
What is the average humidity in January in Port Heiden?
How many days does it rain in January in Port Heiden?
How much does it snow in Port Heiden in January?
How many hours of daylight does Port Heiden have in January?
When is the sunrise / sunset in January in Port Heiden?
How many hours of sunshine does Port Heiden have in January?
How high is the UV index in January in Port Heiden?
Average temperature in January
Port Heiden, AK
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is August (56.8°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is August (49.1°F).
The coldest months (with the lowest average low temperature) are January and March (23.4°F).
Average pressure in January
Port Heiden, AK
- Average pressure in January: 29.56"Hg
The month with the highest atmospheric pressure is July (29.97"Hg).
The month with the lowest atmospheric pressure is December (29.54"Hg).
Average wind speed in January
Port Heiden, AK
- Average wind speed in January: 13.2mph
The windiest month (with the highest average wind speed) is December (14.8mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in January
Port Heiden, AK
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (78%).
Average rainfall in January
Port Heiden, AK
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is June (0.83").
Average rainfall days in January
Port Heiden, AK
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is September (19.2 days).
The month with the least rainy days is March (7.6 days).
Average snowfall in January
Port Heiden, AK
- Average snowfall in January: 3.78"
The month with the highest snowfall is December (5.71").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Port Heiden, AK
- Average snowfall days in January: 14.5 days
The month with the highest number of snowfall days is December (15.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Port Heiden, AK
- Average daylight in January: 7h and 4min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in January: 2h and 3min
The month with the most sunshine is May (Average sunshine: 7h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in January
Port Heiden, AK
- Average sunshine days in January: 9.3 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is November (6 days).
Average UV index in January
Port Heiden, AK
- Average UV index in January: 2
The months with the highest UV index are May, June, July, August and September (UV index 3).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in January
Port Heiden, AK
- Average cloud cover in January: 65
The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is May (Cloud cover 59).
Average visibility in January
Port Heiden, AK
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
Port Heiden, Alaska, USA
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