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
In Grand Isle, the beginning of October is marked by a lowered average high-temperature, shifting from September's enjoyable 63.5°F (17.5°C) to a chilly 49.5°F (9.7°C). Grand Isle reports an average nighttime low-temperature of 36°F (2.2°C) in October.Humidity
The average relative humidity in October is 82%.Rainfall
In Grand Isle, in October, it is raining for 14.6 days, with typically 2.76" (70mm) of accumulated precipitation. In Grand Isle, during the entire year, the rain falls for 140.8 days and collects up to 30.12" (765mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Grand Isle. October is the first month it typically snows. Throughout October, in the average 3.3 snowfall days, it receives 1.14" (29mm) of snow. Throughout the year, there are 107.8 snowfall days, and 71.34" (1812mm) of snow is accumulated.Daylight
In October, the average length of the day is 10h and 51min.On the first day of the month, sunrise is at 6:32 am and sunset at 6:11 pm. On the last day of October, in Grand Isle, sunrise is at 7:15 am and sunset at 5:16 pm EDT.
Sunshine
The average sunshine in October is 5.4h.UV index
In Grand Isle, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In October, an average UV index of 2 transforms into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average October temperature in Grand Isle?
What is the average humidity in October in Grand Isle?
How much does it rain in Grand Isle in October?
When does it start snowing in Grand Isle?
What is the average length of the day in October in Grand Isle?
When are sunrise and sunset in October in Grand Isle?
How many hours of sunshine does Grand Isle have in October?
What is the UV index reading in October in Grand Isle?
Average temperature in October
Grand Isle, ME
- Average high temperature in October: 49.5°F
The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in October: 36°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (2.8°F).
Average pressure in October
Grand Isle, ME
- Average pressure in October: 29.97"Hg
The months with the highest atmospheric pressure are March, September and November (30.01"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in October
Grand Isle, ME
- Average wind speed in October: 7.5mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Grand Isle, ME
- Average humidity in October: 82%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is May (76%).
Average rainfall in October
Grand Isle, ME
- Average rainfall in October: 2.76"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in October
Grand Isle, ME
- Average rainfall days in October: 14.6 days
The month with the highest number of rainy days is July (17.1 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in October
Grand Isle, ME
- Average snowfall in October: 1.14"
The month with the highest snowfall is January (14.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Grand Isle, ME
- Average snowfall days in October: 3.3 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Grand Isle, ME
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in October: 5h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).
Average sunshine days in October
Grand Isle, ME
- Average sunshine days in October: 12.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is April (7.9 days).
Average UV index in October
Grand Isle, ME
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in October
Grand Isle, ME
- Average cloud cover in October: 52
The month with the most cloud cover is February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in October
Grand Isle, ME
- Average visibility in October: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Grand Isle, Maine, USA
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