October weather forecastOld Harbor, AK
October
Weather in October
October, the same as September, in Old Harbor, Alaska, is another chilly autumn month, with an average temperature ranging between max 46.2°F (7.9°C) and min 41.9°F (5.5°C).Temperature
October signifies a gentle decline in Old Harbor's average high-temperature, easing from a cool 53.1°F (11.7°C) in September to a chilly 46.2°F (7.9°C). In Old Harbor, the month of October records an average minimum temperature of 41.9°F (5.5°C), a slight dip from the daily highs.Humidity
The average relative humidity in October is 81%.Rainfall
The wettest months are October and November, with an average 4.53" (115mm) of rainfall.Snowfall
Months with snowfall are January through May, September through December. In Old Harbor, in October, snow falls for 0.7 days, with typically accumulated 0.39" (10mm) of snow. Throughout the year, there are 35.1 snowfall days, and 13.74" (349mm) of snow is accumulated.Daylight
The average length of the day in October in Old Harbor is 10h and 18min.On the first day of October, sunrise is at 8:19 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 9:24 am and sunset at 6:29 pm AKDT.
Sunshine
The average sunshine in October is 5.1h.UV index
In Old Harbor, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, the maximum UV index of 2 transforms into these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Consider carefully! The reflective quality of snow 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
Average temperature in October
Old Harbor, AK
- Average high temperature in October: 46.2°F
The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in October: 41.9°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is March (30.6°F).
Average pressure in October
Old Harbor, AK
- Average pressure in October: 29.62"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is December (29.55"Hg).
Average wind speed in October
Old Harbor, AK
- Average wind speed in October: 12.2mph
The windiest month (with the highest average wind speed) is December (14.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in October
Old Harbor, AK
- Average humidity in October: 81%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are March and November (80%).
Average rainfall in October
Old Harbor, AK
- Average rainfall in October: 4.53"
The wettest months (with the highest rainfall) are October and November (4.53").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in October
Old Harbor, AK
- Average rainfall days in October: 16.7 days
The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is March (10.8 days).
Average snowfall in October
Old Harbor, AK
- Average snowfall in October: 0.39"
The month with the highest snowfall is March (3.15").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Old Harbor, AK
- Average snowfall days in October: 0.7 days
The month with the highest number of snowfall days is March (8.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Old Harbor, AK
- Average daylight in October: 10h and 18min
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 48min).
- Average sunshine in October: 5h and 6min
The month with the most sunshine is July (Average sunshine: 8h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 36min).
Average sunshine days in October
Old Harbor, AK
- Average sunshine days in October: 11.8 days
The month with the most sunshine days is July (14.7 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in October
Old Harbor, AK
- Average UV index in October: 2
The months with the highest UV index are June, July, August and September (UV index 3).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Old Harbor, AK
- Average cloud cover in October: 56
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 52).
Average visibility in October
Old Harbor, 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).





