October weather forecastGirdwood, AK
October
Weather in October
Cooler weather takes hold in October as Girdwood transitions into full-fledged autumn. The month compares closely to November with similar temperature lows, daylight hours, and observable snowfall. The congruity in climatological conditions makes it challenging to discern October weather from that of November, one notable exception being the increased rainfall in November.Temperature
Girdwood's weather in October involves a decrease in the average high-temperature, moving down from September's frosty 45.5°F (7.5°C) to a wintry 35.1°F (1.7°C). Girdwood records a consistent average nighttime temperature of 27.3°F (-2.6°C) in October, slightly lower than the daytime high.Humidity
In October, the average relative humidity is 87%.Rainfall
The month with the most rainfall is October, when the rain falls for 16.6 days and typically aggregates up to 3.03" (77mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Girdwood, during October, snow falls for 3.5 days and regularly aggregates up to 1.89" (48mm) of snow. In Girdwood, Alaska, during the entire year, snow falls for 92.4 days and aggregates up to 43.31" (1100mm) of snow.Daylight
In October, the average length of the day is 10h and 1min.On the first day of October in Girdwood, sunrise is at 8:05 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 9:23 am and sunset at 5:57 pm AKDT.
Sunshine
The average sunshine in October is 3.8h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 1 in October, converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Girdwood, AK
- Average high temperature in October: 35.1°F
The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in October: 27.3°F
The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in October
Girdwood, AK
- Average pressure in October: 29.7"Hg
The month with the highest atmospheric pressure is July (29.97"Hg).
The month with the lowest atmospheric pressure is November (29.66"Hg).
Average wind speed in October
Girdwood, AK
- Average wind speed in October: 5.7mph
The windiest months (with the highest average wind speed) are November and December (5.9mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in October
Girdwood, AK
- Average humidity in October: 87%
The months with the highest relative humidity are March and December (92%).
The month with the lowest relative humidity is June (79%).
Average rainfall in October
Girdwood, AK
- Average rainfall in October: 3.03"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in October
Girdwood, AK
- Average rainfall days in October: 16.6 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is February (6 days).
Average snowfall in October
Girdwood, AK
- Average snowfall in October: 1.89"
The month with the highest snowfall is December (9.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Girdwood, AK
- Average snowfall days in October: 3.5 days
The month with the highest number of snowfall days is December (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Girdwood, AK
- Average daylight in October: 10h and 0min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in October: 3h and 48min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in October
Girdwood, AK
- Average sunshine days in October: 11.1 days
The month with the most sunshine days is January (14.2 days).
The month with the least sunshine days is August (8 days).
Average UV index in October
Girdwood, AK
- Average UV index in October: 1
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in October
Girdwood, AK
- Average cloud cover in October: 65
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is May (Cloud cover 55).
Average visibility in October
Girdwood, AK
- Average visibility in October: 4mi
The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (4mi).
