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
Old Harbor's weather subtly changes with the onset of October, barely falling from a cool 53.1°F (11.7°C) in September to a chilly 46.2°F (7.9°C). The temperature during October sees a subtle transition from day to night, averaging a low of 41.9°F (5.5°C).Humidity
In October, the average relative humidity is 81%.Rainfall
The wettest months are October and November, with an average 4.53" (115mm) of rainfall.Snowfall
January through May, September through December are months with snowfall. In Old Harbor, in October, during 0.7 snowfall days, 0.39" (10mm) of snow is typically accumulated. Throughout the year, there are 35.1 snowfall days, and 13.74" (349mm) of snow is accumulated.Daylight
In October, the average length of the day in Old Harbor, Alaska, 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
In October, the average sunshine is 5.1h.UV index
In Old Harbor, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In October, an average UV index of 2 transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Old Harbor in October?
What is the average humidity in October in Old Harbor?
What is the wettest month in Old Harbor?
How much does it rain in Old Harbor in October?
How many days does it snow in October in Old Harbor?
How many hours of daylight does Old Harbor have in October?
When is the sunrise / sunset in October in Old Harbor?
How long on average sun shines in October in Old Harbor?
What is the UV index intensity in October in Old Harbor?
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 2min
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 1min
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).
Old Harbor, Alaska, USA
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