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
The onset of October introduces a moderate change in Koyuk's weather, with average high-temperatures falling from September's chilly 48.9°F (9.4°C) to an icy 36.3°F (2.4°C). A modest decline from daytime high temperatures in Koyuk is noticed in October, marking the average low at a subzero cold 30.6°F (-0.8°C).Humidity
In October, the average relative humidity in Koyuk is 79%.Rainfall
In October, in Koyuk, the rain falls for 11.5 days. Throughout October, 1.22" (31mm) of precipitation is accumulated. In Koyuk, during the entire year, the rain falls for 118.6 days and collects up to 13.39" (340mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Koyuk, in October, snow falls for 6.1 days, with typically accumulated 1.57" (40mm) of snow. Throughout the year, in Koyuk, there are 94.3 snowfall days, and 27.2" (691mm) of snow is accumulated.Daylight
The average length of the day in October is 9h and 36min.On the first day of the month, sunrise is at 8:57 am and sunset at 8:10 pm. On the last day of October, in Koyuk, Alaska, sunrise is at 10:32 am and sunset at 6:23 pm AKDT.
Sunshine
The average sunshine in October is 4.9h.UV index
The average daily maximum UV index in October in Koyuk is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during October translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is October in Koyuk?
What is the average humidity in October in Koyuk?
How much does it rain in Koyuk in October?
How much does it snow in Koyuk in October?
How many hours of daylight does Koyuk have in October?
When are sunrise and sunset in October in Koyuk?
How many hours of sunshine does Koyuk have in October?
How high is the UV index in October in Koyuk?
Average temperature in October
Koyuk, AK
- Average high temperature in October: 36.3°F
The warmest month (with the highest average high temperature) is July (59.5°F).
The month with the lowest average high temperature is January (9.1°F).
- Average low temperature in October: 30.6°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure in October
Koyuk, AK
- Average pressure in October: 29.72"Hg
The month with the highest atmospheric pressure is May (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in October
Koyuk, AK
- Average wind speed in October: 9.6mph
The windiest month (with the highest average wind speed) is October (9.6mph).
The calmest month (with the lowest average wind speed) is June (6mph).
Average humidity in October
Koyuk, AK
- Average humidity in October: 79%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall in October
Koyuk, AK
- Average rainfall in October: 1.22"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in October
Koyuk, AK
- Average rainfall days in October: 11.5 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in October
Koyuk, AK
- Average snowfall in October: 1.57"
The month with the highest snowfall is November (4.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Koyuk, AK
- Average snowfall days in October: 6.1 days
The month with the highest number of snowfall days is March (16.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Koyuk, AK
- Average daylight in October: 9h and 4min
The month with the longest days is June (Average daylight: 21h and 36min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in October: 4h and 5min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 2h and 54min).
Average sunshine days in October
Koyuk, AK
- Average sunshine days in October: 15.4 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in October
Koyuk, 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 and December (UV index 1).
Average cloud cover in October
Koyuk, AK
- Average cloud cover in October: 55
The month with the most cloud cover is August (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 50).
Average visibility in October
Koyuk, AK
- Average visibility in October: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Koyuk, Alaska, USA
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