October weather forecastChefornak, AK
October
Weather in October
October, like September, in Chefornak, Alaska, is a wintry autumn month, with an average temperature varying between 38.8°F (3.8°C) and 41.9°F (5.5°C).Temperature
A subtle change in temperatures is noted as September gives way to October, with average highs reducing from a chilly 49.3°F (9.6°C) to a cold 41.9°F (5.5°C). In Chefornak, nights during October observe an average temperature decrease to a still icy 38.8°F (3.8°C).Humidity
The least humid month is October, with an average relative humidity of 79%.Rainfall
In Chefornak, during October, the rain falls for 18.3 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Chefornak, during the entire year, the rain falls for 137.7 days and collects up to 20.43" (519mm) of precipitation.Snowfall
Months with snowfall are January through June, October through December. October is the first month it typically snows. Throughout October, in the average 5.4 snowfall days, it receives 1.14" (29mm) of snow. In Chefornak, during the entire year, snow falls for 87.7 days and aggregates up to 20.12" (511mm) of snow.Daylight
In Chefornak, the average length of the day in October is 10h and 4min.On the first day of the month, sunrise is at 9:05 am and sunset at 8:27 pm. On the last day of October, sunrise is at 10:19 am and sunset at 7:01 pm AKDT.
Sunshine
The average sunshine in October in Chefornak is 3.6h.UV index
The average daily maximum UV index in October in Chefornak is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during October leads to these advisories:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Chefornak, AK
- Average high temperature in October: 41.9°F
The warmest month (with the highest average high temperature) is August (53.2°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in October: 38.8°F
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in October
Chefornak, AK
- Average pressure in October: 29.62"Hg
The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed in October
Chefornak, AK
- Average wind speed in October: 18.9mph
The windiest month (with the highest average wind speed) is November (19.3mph).
The calmest month (with the lowest average wind speed) is July (11.7mph).
Average humidity in October
Chefornak, AK
- Average humidity in October: 79%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (79%).
Average rainfall in October
Chefornak, AK
- Average rainfall in October: 2.8"
The wettest month (with the highest rainfall) is September (2.83").
The driest month (with the least rainfall) is June (0.87").
Average rainfall days in October
Chefornak, AK
- Average rainfall days in October: 18.3 days
The month with the highest number of rainy days is September (21.1 days).
The month with the least rainy days is February (4 days).
Average snowfall in October
Chefornak, AK
- Average snowfall in October: 1.14"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are July, August and September (0").
Average snowfall days in October
Chefornak, AK
- Average snowfall days in October: 5.4 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Chefornak, AK
- Average daylight in October: 10h and 6min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in October: 3h and 36min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in October
Chefornak, AK
- Average sunshine days in October: 6.5 days
The month with the most sunshine days is May (14.7 days).
The month with the least sunshine days is September (4.7 days).
Average UV index in October
Chefornak, AK
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, April, November and December (UV index 1).
Average cloud cover in October
Chefornak, AK
- Average cloud cover in October: 70
The months with the most cloud cover are September and December (Cloud cover 74).
The month with the least cloud cover is May (Cloud cover 59).
Average visibility in October
Chefornak, 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, November and December (5mi).
