Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
During the shift to October, a minor reduction in average high-temperature is observed, shifting from a fresh 51.4°F (10.8°C) in September to a chilly 43.7°F (6.5°C). Port Graham's nights in October maintain a consistent average of 39.7°F (4.3°C), demonstrating a minimal differential from its daytime temperature.Humidity
The average relative humidity in October is 79%.Rainfall
In Port Graham, in October, during 18.3 rainfall days, 4.53" (115mm) of precipitation is typically accumulated. In Port Graham, during the entire year, the rain falls for 179.8 days and collects up to 36.57" (929mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Port Graham, in October, during 1.9 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Port Graham, during the entire year, snow falls for 70.1 days and aggregates up to 38.58" (980mm) of snow.Daylight
In Port Graham, the average length of the day in October is 10h and 8min.On the first day of October, sunrise is at 8:14 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 9:26 am and sunset at 6:15 pm AKDT.
Sunshine
In Port Graham, the average sunshine in October is 4.8h.UV index
January through May, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Port Graham. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during October leads to these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is October cold?
What is the average humidity in October?
How many days does it rain in October?
How many days does it snow in October?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
What is the month with the lowest UV index?
How high is the UV index in October?
Average temperature in October
Port Graham, AK
- Average high temperature in October: 43.7°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 October: 39.7°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 October
Port Graham, AK
- Average pressure in October: 29.65"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 October
Port Graham, AK
- Average wind speed in October: 10.4mph
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 October
Port Graham, AK
- Average humidity in October: 79%
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 October
Port Graham, AK
- Average rainfall in October: 4.53"
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 October
Port Graham, AK
- Average rainfall days in October: 18.3 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 October
Port Graham, AK
- Average snowfall in October: 0.63"
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 October
Port Graham, AK
- Average snowfall days in October: 1.9 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 October /
Average sunshine in October
Port Graham, AK
- Average daylight in October: 10h 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 October: 4h and 5min
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 October
Port Graham, AK
- Average sunshine days in October: 9.7 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 October
Port Graham, AK
- Average UV index in October: 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 October
Port Graham, AK
- Average cloud cover in October: 56
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 October
Port Graham, AK
- Average visibility in October: 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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