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 sea temperature 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
With October's onset, the weather in Ketchikan reveals a slight temperature decrease, transitioning from a refreshing 56.3°F (13.5°C) in September to a chilly 48.2°F (9°C). Ketchikan notes an average temperature descent to a wintry 42.1°F (5.6°C) in October, a small shift from its daytime peak.Humidity
In October, the average relative humidity is 85%.Rainfall
In Ketchikan, Alaska, in October, during 20.3 rainfall days, 8.19" (208mm) of precipitation is typically accumulated. Throughout the year, there are 221.8 rainfall days, and 80" (2032mm) of precipitation is accumulated.Snowfall
In Ketchikan, snow does not fall in June through October.Ocean temperature
In Ketchikan, the average seawater temperature in October is 50.5°F (10.3°C).Note: Unprotected swimming in 50.5°F (10.3°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
The average length of the day in October is 10h and 25min.On the first day of October, sunrise is at 6:51 am and sunset at 6:20 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:09 pm AKDT.
Sunshine
The average sunshine in October is 4.2h.UV index
The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in October translates into this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October in Ketchikan?
How much does it rain in October?
When it does not snow?
Does it snow in October?
What is the ocean temperature in October in Ketchikan?
What is the average length of the day in October?
When is the sunrise / sunset in October in Ketchikan?
How many hours of sunshine does Ketchikan have in October?
What is the UV index intensity in October?
Average temperature in October
Ketchikan, AK
- Average high temperature in October: 48.2°F
The warmest months (with the highest average high temperature) are July and August (60.8°F).
The month with the lowest average high temperature is December (35.8°F).
- Average low temperature in October: 42.1°F
The month with the highest average low temperature is August (52°F).
The coldest month (with the lowest average low temperature) is February (30.6°F).
Average pressure in October
Ketchikan, AK
- Average pressure in October: 29.88"Hg
The month with the highest atmospheric pressure is July (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).
Average wind speed in October
Ketchikan, AK
- Average wind speed in October: 7.1mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in October
Ketchikan, AK
- Average humidity in October: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (82%).
Average rainfall in October
Ketchikan, AK
- Average rainfall in October: 8.19"
The wettest month (with the highest rainfall) is January (9.69").
The driest month (with the least rainfall) is May (3.46").
Average rainfall days in October
Ketchikan, AK
- Average rainfall days in October: 20.3 days
The month with the highest number of rainy days is November (21.4 days).
The month with the least rainy days is February (14.2 days).
Average snowfall in October
Ketchikan, AK
- Average snowfall in October: 0"
The month with the highest snowfall is February (13.11").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Ketchikan, AK
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Ketchikan, AK
- Average sea temperature in October: 50.5°F
The best month for swimming (with the highest average sea temperature) is August (55.9°F).
The coldest month (with the lowest average sea temperature) is March (42.5°F).
Average daylight in October /
Average sunshine in October
Ketchikan, AK
- Average daylight in October: 10h and 2min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in October: 4h and 1min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in October
Ketchikan, AK
- Average sunshine days in October: 9.3 days
The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is November (5.6 days).
Average UV index in October
Ketchikan, AK
- Average UV index in October: 2
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in October
Ketchikan, AK
- Average cloud cover in October: 60
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 55).
Average visibility in October
Ketchikan, AK
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Ketchikan, Alaska, USA
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