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 indicates a shift in the average high-temperature, from September's comfortable 67.1°F (19.5°C) to a moderate 55.8°F (13.2°C). Castine experiences a consistent average temperature of 43.2°F (6.2°C) throughout the nights in October.Humidity
In Castine, the average relative humidity in October is 80%.Rainfall
In Castine, during October, the rain falls for 13.3 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Castine, Maine, during the entire year, the rain falls for 141.1 days and collects up to 24.29" (617mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Castine. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Castine, during the entire year, snow falls for 44.3 days and aggregates up to 16.81" (427mm) of snow.Ocean temperature
In Castine, the average seawater temperature in October is 53.8°F (12.1°C).Note: Swimming in 53.8°F (12.1°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
In Castine, Maine, the average length of the day in October is 10h and 58min.On the first day of October in Castine, Maine, sunrise is at 6:33 am and sunset at 6:15 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:25 pm EDT.
Sunshine
The average sunshine in October is 6h.UV index
In Castine, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Castine in October?
What is the average humidity in October in Castine?
How much does it rain in Castine in October?
When does it start snowing in Castine?
What is the ocean temperature in October in Castine?
How many hours of daylight does Castine have in October?
When are sunrise and sunset in October in Castine?
How many hours of sunshine does Castine have in October?
What is the UV index intensity in October in Castine?
Average temperature in October
Castine, ME
- Average high temperature in October: 55.8°F
The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in October: 43.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in October
Castine, 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
Castine, ME
- Average wind speed in October: 8.5mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in October
Castine, ME
- Average humidity in October: 80%
The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in October
Castine, ME
- Average rainfall in October: 2.56"
The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").
Average rainfall days in October
Castine, ME
- Average rainfall days in October: 13.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in October
Castine, ME
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Castine, ME
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Castine, ME
- Average sea temperature in October: 53.8°F
The best month for swimming (with the highest average sea temperature) is August (58.6°F).
The coldest month (with the lowest average sea temperature) is March (38.2°F).
Average daylight in October /
Average sunshine in October
Castine, 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 0min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in October
Castine, ME
- Average sunshine days in October: 16.1 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in October
Castine, 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
Castine, ME
- Average cloud cover in October: 46
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in October
Castine, ME
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Castine, Maine, USA
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