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
In Port Chilkoot, the average high-temperature in October decreases from a frosty 47.3°F (8.5°C) in September to a cold 38.1°F (3.4°C). The nights of October in Port Chilkoot cool down to an average low of 31.8°F (-0.1°C), subtly lower than daytime highs.Humidity
In Port Chilkoot, the average relative humidity in October is 84%.Rainfall
In Port Chilkoot, Alaska, in October, during 20.2 rainfall days, 5.35" (136mm) of precipitation is typically accumulated. In Port Chilkoot, Alaska, during the entire year, the rain falls for 200.4 days and collects up to 48.03" (1220mm) of precipitation.Snowfall
Months with snowfall in Port Chilkoot are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.6 snowfall days, it receives 1.81" (46mm) of snow. In Port Chilkoot, during the entire year, snow falls for 83.4 days and aggregates up to 86.57" (2199mm) of snow.Daylight
The average length of the day in October in Port Chilkoot is 10h and 9min.On the first day of October in Port Chilkoot, sunrise is at 7:08 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 5:10 pm AKDT.
Sunshine
The average sunshine in October is 4.3h.UV index
In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in October translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold does it get in Port Chilkoot in October?
What is the average humidity in October in Port Chilkoot?
How many days does it rain in October in Port Chilkoot?
When does it start to snow in Port Chilkoot?
What is the average length of the day in October in Port Chilkoot?
When are sunrise and sunset in October in Port Chilkoot?
How many hours of sunshine does Port Chilkoot have in October?
How high is the UV index in October in Port Chilkoot?
Average temperature in October
Port Chilkoot, AK
- Average high temperature in October: 38.1°F
The warmest month (with the highest average high temperature) is July (56.5°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in October: 31.8°F
The month with the highest average low temperature is August (44.1°F).
The coldest month (with the lowest average low temperature) is February (12.4°F).
Average pressure in October
Port Chilkoot, AK
- Average pressure in October: 29.85"Hg
The month with the highest atmospheric pressure is July (30.01"Hg).
The month with the lowest atmospheric pressure is November (29.81"Hg).
Average wind speed in October
Port Chilkoot, AK
- Average wind speed in October: 5.7mph
The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is May (4.7mph).
Average humidity in October
Port Chilkoot, AK
- Average humidity in October: 84%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (78%).
Average rainfall in October
Port Chilkoot, AK
- Average rainfall in October: 5.35"
The wettest month (with the highest rainfall) is November (5.87").
The driest month (with the least rainfall) is June (2.2").
Average rainfall days in October
Port Chilkoot, AK
- Average rainfall days in October: 20.2 days
The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in October
Port Chilkoot, AK
- Average snowfall in October: 1.81"
The month with the highest snowfall is December (21.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Port Chilkoot, AK
- Average snowfall days in October: 1.6 days
The month with the highest number of snowfall days is December (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Port Chilkoot, AK
- Average daylight in October: 10h and 1min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in October: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in October
Port Chilkoot, AK
- Average sunshine days in October: 9.2 days
The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is June (6.3 days).
Average UV index in October
Port Chilkoot, 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 February, November and December (UV index 1).
Average cloud cover in October
Port Chilkoot, AK
- Average cloud cover in October: 58
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in October
Port Chilkoot, AK
- Average visibility in October: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Port Chilkoot, Alaska, USA
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