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
Juneau's average high-temperature decreases in October, falling from a frosty 48.2°F (9°C) in September to an icy 39°F (3.9°C). A minimal decline in temperature from daytime highs is anticipated in Juneau throughout the October nights, averaging a still wintry 32.9°F (0.5°C).Humidity
In Juneau, Alaska, the average relative humidity in October is 88%.Rainfall
October is the month with the most rainfall. Rain falls for 20 days and accumulates 9.88" (251mm) of precipitation.Snowfall
Months with snowfall in Juneau, Alaska, are January through May, October through December. October is the first month it typically snows in Juneau. Throughout October, in the average 5.8 snowfall days, it receives 9.29" (236mm) of snow. In Juneau, during the entire year, snow falls for 126.6 days and aggregates up to 290.12" (7369mm) of snow.Ocean temperature
In October, the average ocean temperature in Juneau is 46.9°F (8.3°C).Note: To swim in 46.9°F (8.3°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.
Daylight
In Juneau, the average length of the day in October is 10h and 13min.On the first day of the month, sunrise is at 7:04 am and sunset at 6:29 pm. On the last day of October, sunrise is at 8:12 am and sunset at 5:09 pm AKDT.
Sunshine
The average sunshine in October is 3.1h.UV index
The months with the lowest UV index in Juneau, Alaska, are January, April, October through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 during October translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Juneau in October?
What is the average humidity in October in Juneau?
What is the wettest month in Juneau?
How much does it rain in Juneau in October?
When does it start snowing in Juneau?
What is the water temperature in October in Juneau?
How many hours of daylight does Juneau have in October?
When are sunrise and sunset in October in Juneau?
How many hours of sunshine does Juneau have in October?
What are the months with the lowest UV index in Juneau?
What is the UV index reading in October in Juneau?
Average temperature in October
Juneau, AK
- Average high temperature in October: 39°F
The warmest month (with the highest average high temperature) is July (55.8°F).
The months with the lowest average high temperature are January and December (25.7°F).
- Average low temperature in October: 32.9°F
The month with the highest average low temperature is July (45.1°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).
Average pressure in October
Juneau, AK
- Average pressure in October: 29.86"Hg
The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).
Average wind speed in October
Juneau, AK
- Average wind speed in October: 5.6mph
The windiest month (with the highest average wind speed) is January (6.9mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).
Average humidity in October
Juneau, AK
- Average humidity in October: 88%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (86%).
Average rainfall in October
Juneau, AK
- Average rainfall in October: 9.88"
The wettest month (with the highest rainfall) is October (9.88").
The driest month (with the least rainfall) is May (4.13").
Average rainfall days in October
Juneau, AK
- Average rainfall days in October: 20 days
The month with the highest number of rainy days is September (21.9 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in October
Juneau, AK
- Average snowfall in October: 9.29"
The month with the highest snowfall is December (62.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Juneau, AK
- Average snowfall days in October: 5.8 days
The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Juneau, AK
- Average sea temperature in October: 47°F
The best month for swimming (with the highest average sea temperature) is August (53.5°F).
The coldest month (with the lowest average sea temperature) is March (40.3°F).
Average daylight in October /
Average sunshine in October
Juneau, AK
- Average daylight in October: 10h and 1min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in October: 3h and 1min
The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 36min).
Average sunshine days in October
Juneau, AK
- Average sunshine days in October: 7 days
The month with the most sunshine days is May (10 days).
The month with the least sunshine days is November (6.1 days).
Average UV index in October
Juneau, AK
- Average UV index in October: 1
The months with the highest UV index are May and July (UV index 3).
The months with the lowest UV index are January, April, October, November and December (UV index 1).
Average cloud cover in October
Juneau, AK
- Average cloud cover in October: 69
The months with the most cloud cover are January and November (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 61).
Average visibility in October
Juneau, AK
- Average visibility in October: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Juneau, Alaska, USA
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