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
Port Graham's temperature records reveal January as the coldest month, marked by average highs of 29.8°F (-1.2°C) and lows of 25.9°F (-3.4°C).Humidity
The average relative humidity in January is 83%.Rainfall
In Port Graham, in January, it is raining for 12.9 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 179.8 rainfall days, and 36.57" (929mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Port Graham, in January, snow falls for 12.3 days, with typically accumulated 6.34" (161mm) of snow. Throughout the year, there are 70.1 snowfall days, and 38.58" (980mm) of snow is accumulated.Daylight
The average length of the day in January is 7h and 3min.On the first day of January, sunrise is at 10:03 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 9:19 am and sunset at 5:21 pm AKST.
Sunshine
In Port Graham, the average sunshine in January is 3h.UV index
January through May, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January in Port Graham?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January in Port Graham?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Port Graham, AK
- Average high temperature in January: 29.8°F
The warmest months (with the highest average high temperature) are July and August (55.9°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 25.9°F
The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in January
Port Graham, AK
- Average pressure in January: 29.62"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed in January
Port Graham, AK
- Average wind speed in January: 12.1mph
The windiest month (with the highest average wind speed) is December (12.2mph).
The calmest month (with the lowest average wind speed) is June (6.2mph).
Average humidity in January
Port Graham, AK
- Average humidity in January: 83%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are May and November (78%).
Average rainfall in January
Port Graham, AK
- Average rainfall in January: 2.87"
The wettest month (with the highest rainfall) is December (5.2").
The driest month (with the least rainfall) is June (1.38").
Average rainfall days in January
Port Graham, AK
- Average rainfall days in January: 12.9 days
The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is February (9 days).
Average snowfall in January
Port Graham, AK
- Average snowfall in January: 6.34"
The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Port Graham, AK
- Average snowfall days in January: 12.3 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Port Graham, AK
- Average daylight in January: 7h and 1min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in January
Port Graham, AK
- Average sunshine days in January: 9.3 days
The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in January
Port Graham, AK
- Average UV index in January: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 2).
Average cloud cover in January
Port Graham, AK
- Average cloud cover in January: 58
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 51).
Average visibility in January
Port Graham, AK
- Average visibility in January: 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).
Port Graham, Alaska, USA
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