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
Derby, Maine, experiences a temperature shift at the start of October, with average high-temperatures adjusting from an agreeable 68.4°F (20.2°C) in September to a fresh 54.5°F (12.5°C). Throughout the month of October, Derby witnesses an average low-temperature of 39.9°F (4.4°C).Humidity
The average relative humidity in October in Derby is 79%.Rainfall
In Derby, in October, it is raining for 13 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 146.2 rainfall days, and 27.17" (690mm) of precipitation is accumulated.Snowfall
Months with snowfall in Derby, Maine, are January through May, October through December. October is the first month it typically snows in Derby. Throughout October, in the average 0.8 snowfall days, it receives 0.39" (10mm) of snow. In Derby, Maine, during the entire year, snow falls for 65.9 days and aggregates up to 37.6" (955mm) of snow.Daylight
In Derby, the average length of the day in October is 10h and 56min.On the first day of the month, sunrise is at 6:34 am and sunset at 6:15 pm. On the last day of October, in Derby, sunrise is at 7:14 am and sunset at 5:24 pm EDT.
Sunshine
In October, the average sunshine is 5.9h.UV index
The months with the lowest UV index in Derby are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In October, the average maximum UV index of 2 translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Caution! The reflection of snow can nearly 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 Derby?
What is the average humidity in October in Derby?
How many days does it rain in October in Derby?
When does it start snowing in Derby?
How many hours of daylight does Derby have in October?
What time are sunrise and sunset in October in Derby?
How many hours of sunshine does Derby have in October?
What is the month with the lowest UV index in Derby?
What is the UV index intensity in October in Derby?
Average temperature in October
Derby, ME
- Average high temperature in October: 54.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in October: 39.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average pressure in October
Derby, ME
- Average pressure in October: 29.99"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Derby, ME
- Average wind speed in October: 6.4mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in October
Derby, ME
- Average humidity in October: 79%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in October
Derby, ME
- Average rainfall in October: 2.83"
The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in October
Derby, ME
- Average rainfall days in October: 13 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in October
Derby, ME
- Average snowfall in October: 0.39"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Derby, ME
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Derby, ME
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in October
Derby, ME
- Average sunshine days in October: 15.2 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in October
Derby, ME
- Average UV index in October: 2
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, October, November and December (UV index 2).
Average cloud cover in October
Derby, ME
- Average cloud cover in October: 48
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in October
Derby, ME
- Average visibility in October: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Derby, Maine, USA
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