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
Southwest Harbor observes a minor decrease in the average high-temperature with the arrival of October, falling from September's comfortable 67.1°F (19.5°C) to a mild 55.9°F (13.3°C). In Southwest Harbor, October is marked by an average low-temperature of 45°F (7.2°C).Humidity
In October, the average relative humidity is 78%.Rainfall
In October, in Southwest Harbor, the rain falls for 14 days. Throughout October, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Southwest Harbor. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Southwest Harbor, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.Daylight
The average length of the day in October is 10h and 59min.On the first day of October in Southwest Harbor, sunrise is at 6:31 am and sunset at 6:13 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:23 pm EDT.
Sunshine
In Southwest Harbor, the average sunshine in October is 6.3h.UV index
In Southwest Harbor, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 in October translates into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Southwest Harbor?
What is the average humidity in October in Southwest Harbor?
How much does it rain in Southwest Harbor in October?
When does it start to snow in Southwest Harbor?
How many hours of daylight does Southwest Harbor have in October?
When are sunrise and sunset in October in Southwest Harbor?
How long on average sun shines in October in Southwest Harbor?
What is the UV index intensity in October in Southwest Harbor?
Average temperature in October
Southwest Harbor, ME
- Average high temperature in October: 55.9°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in October: 45°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in October
Southwest Harbor, ME
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Southwest Harbor, ME
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in October
Southwest Harbor, ME
- Average humidity in October: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in October
Southwest Harbor, ME
- Average rainfall in October: 3.35"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in October
Southwest Harbor, ME
- Average rainfall days in October: 14 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in October
Southwest Harbor, ME
- Average snowfall in October: 0.04"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Southwest Harbor, ME
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Southwest Harbor, ME
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in October
Southwest Harbor, ME
- Average sunshine days in October: 14.5 days
The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in October
Southwest Harbor, ME
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Southwest Harbor, ME
- Average cloud cover in October: 44
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in October
Southwest Harbor, ME
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Southwest Harbor, Maine, USA
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