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
With October's onset, the weather shows a temperature decrease, transitioning from an agreeable 69.6°F (20.9°C) in September to a refreshing 55.9°F (13.3°C). Throughout October, Alton Bay witnesses a nighttime temperature average of 40.8°F (4.9°C).Humidity
In Alton Bay, the average relative humidity in October is 81%.Rainfall
October is the month with the most rainfall. Rain falls for 14.4 days and accumulates 3.19" (81mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.43" (11mm) of snow. In Alton Bay, during the entire year, snow falls for 58.3 days and aggregates up to 38.98" (990mm) of snow.Daylight
In Alton Bay, the average length of the day in October is 11h and 1min.On the first day of October, sunrise is at 6:43 am and sunset at 6:25 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:37 pm EDT.
Sunshine
In October, the average sunshine is 5.6h.UV index
The months with the lowest UV index 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 low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, the maximum UV index of 2 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alton Bay in October?
What is the average humidity in October?
What is the rainiest month in Alton Bay?
How many days does it rain in October?
When does it start to snow?
What is the average length of the day in October in Alton Bay?
When is the sunrise / sunset in October?
How many hours of sunshine does Alton Bay have in October?
What is the month with the lowest UV index?
What is the UV index reading in October?
Average temperature in October
Alton Bay, NH
- Average high temperature in October: 55.9°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in October: 40.8°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in October
Alton Bay, NH
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Alton Bay, NH
- Average wind speed in October: 5.8mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in October
Alton Bay, NH
- Average humidity in October: 81%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in October
Alton Bay, NH
- Average rainfall in October: 3.19"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in October
Alton Bay, NH
- Average rainfall days in October: 14.4 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in October
Alton Bay, NH
- Average snowfall in October: 0.43"
The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Alton Bay, NH
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Alton Bay, NH
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in October
Alton Bay, NH
- Average sunshine days in October: 14.5 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in October
Alton Bay, NH
- 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
Alton Bay, NH
- Average cloud cover in October: 47
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in October
Alton Bay, NH
- Average visibility in October: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Alton Bay, New Hampshire, USA
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