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
October's arrival comes with a decrease in the average high-temperature, moving from a comfortable 67.1°F (19.5°C) in September to a still refreshing 55.9°F (13.3°C). During the nights in October, Sullivan experiences a consistent average temperature of 45°F (7.2°C).Humidity
In October, the average relative humidity is 78%.Rainfall
In Sullivan, in October, it is raining for 14 days, with typically 3.35" (85mm) of accumulated precipitation. 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. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Sullivan, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.Ocean temperature
In Sullivan, in October, the average water temperature is 52.9°F (11.6°C).Note: Beware of 52.9°F (11.6°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.
Daylight
The average length of the day in October is 10h and 58min.On the first day of October, sunrise is at 6:31 am and sunset at 6:12 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:22 pm EDT.
Sunshine
The average sunshine in October is 6.3h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in October translates into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
What is the ocean temperature in October?
How many hours of daylight does Sullivan have in October?
What time are sunrise and sunset in October in Sullivan?
How many hours of sunshine does Sullivan have in October?
How high is the UV index in October?
Average temperature in October
Sullivan, 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
Sullivan, 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
Sullivan, 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
Sullivan, 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
Sullivan, 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
Sullivan, 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
Sullivan, 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
Sullivan, 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 sea temperature in October
Sullivan, ME
- Average sea temperature in October: 52.9°F
The best month for swimming (with the highest average sea temperature) is August (56.8°F).
The coldest month (with the lowest average sea temperature) is March (38°F).
Average daylight in October /
Average sunshine in October
Sullivan, 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
Sullivan, 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
Sullivan, 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
Sullivan, 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
Sullivan, 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).
Sullivan, Maine, USA
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