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
Transition into October in Juneau, Alaska, marks a drop in the average high-temperature, moving from a chilly 48.2°F (9°C) in September to a cold 39°F (3.9°C). During the nights of October, Juneau records an average temperature of 32.9°F (0.5°C), a minor drop from daytime peaks.Humidity
The average relative humidity in October is 88%.Rainfall
The month with the most rainfall in Juneau is October, when the rain falls for 20 days and typically aggregates up to 9.88" (251mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. 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 Juneau, in October, the average water temperature is 46.9°F (8.3°C).Note: Dipping into 46.9°F (8.3°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.
Daylight
The average length of the day in October is 10h and 13min.On the first day of October, sunrise is at 7:04 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:09 pm AKDT.
Sunshine
In Juneau, the average sunshine in October is 3.1h.UV index
January, April, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 1 in October leads to these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is October cold?
What is the average humidity in October?
What is the rainiest month?
How much does it rain in October?
When does it start snowing?
What is the water temperature in October?
How many hours of daylight does Juneau have in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
When is the lowest UV index?
What is the UV index reading in October?
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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