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
October's onset brings a slight change in high-temperatures, falling from a fresh 51.1°F (10.6°C) in September to a cold 37.9°F (3.3°C). Saint Mary's's October nights observe a minor shift from the daytime temperatures, resulting in an average dip to a subzero cold 31.1°F (-0.5°C).Humidity
In October, the average relative humidity is 82%.Rainfall
In Saint Mary's, in October, during 10.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 104.5 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Saint Mary's, during October, snow falls for 5.9 days and regularly aggregates up to 1.22" (31mm) of snow. In Saint Mary's, during the entire year, snow falls for 71.4 days and aggregates up to 22.72" (577mm) of snow.Daylight
The average length of the day in October is 9h and 54min.On the first day of October in Saint Mary's, sunrise is at 9:02 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 10:24 am and sunset at 6:48 pm AKDT.
Sunshine
In Saint Mary's, Alaska, the average sunshine in October is 4.3h.UV index
In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In October, the maximum UV index of 2 transforms into these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during October?
What is the average humidity in October?
How many days does it rain in October in Saint Mary's?
How much does it snow in October?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Saint Mary's, AK
- Average high temperature in October: 37.9°F
The warmest month (with the highest average high temperature) is July (61.5°F).
The month with the lowest average high temperature is January (11.3°F).
- Average low temperature in October: 31.1°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (2.3°F).
Average pressure in October
Saint Mary's, AK
- Average pressure in October: 29.67"Hg
The month with the highest atmospheric pressure is July (29.91"Hg).
The months with the lowest atmospheric pressure are October and December (29.67"Hg).
Average wind speed in October
Saint Mary's, AK
- Average wind speed in October: 11.3mph
The windiest month (with the highest average wind speed) is February (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in October
Saint Mary's, AK
- Average humidity in October: 82%
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (66%).
Average rainfall in October
Saint Mary's, AK
- Average rainfall in October: 1.61"
The wettest month (with the highest rainfall) is August (2.13").
The driest months (with the least rainfall) are January and June (0.87").
Average rainfall days in October
Saint Mary's, AK
- Average rainfall days in October: 10.8 days
The month with the highest number of rainy days is August (17.8 days).
The months with the least rainy days are January and February (2.4 days).
Average snowfall in October
Saint Mary's, AK
- Average snowfall in October: 1.22"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Saint Mary's, AK
- Average snowfall days in October: 5.9 days
The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Saint Mary's, AK
- Average daylight in October: 9h and 5min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in October: 4h and 2min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in October
Saint Mary's, AK
- Average sunshine days in October: 15.6 days
The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in October
Saint Mary's, AK
- Average UV index in October: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are March, November and December (UV index 1).
Average cloud cover in October
Saint Mary's, AK
- Average cloud cover in October: 61
The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 54).
Average visibility in October
Saint Mary's, AK
- Average visibility in October: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).
Saint Mary's, Alaska, USA
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