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
October's onset corresponds with a shift in the average high-temperature, moving from a pleasant 69.6°F (20.9°C) in September to a moderate 55.9°F (13.3°C). October brings Alton a consistent average low-temperature of 40.8°F (4.9°C).Humidity
The average relative humidity in October in Alton is 81%.Rainfall
The month with the most rainfall is October, when the rain falls for 14.4 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Alton. Throughout October, in the average 0.4 snowfall days, it receives 0.43" (11mm) of snow. In Alton, during the entire year, snow falls for 58.3 days and aggregates up to 38.98" (990mm) of snow.Daylight
The average length of the day in October is 11h and 1min.On the first day of the month, sunrise is at 6:43 am and sunset at 6:25 pm. On the last day of October, sunrise is at 7:19 am and sunset at 5:37 pm EDT.
Sunshine
In October, the average sunshine in Alton, New Hampshire, is 5.6h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in October leads to these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What are October temperatures in Alton?
What is the average humidity in October in Alton?
What is the wettest month in Alton?
How many days does it rain in October in Alton?
When does it start snowing in Alton?
How many hours of daylight does Alton have in October?
When is the sunrise / sunset in October in Alton?
How long on average sun shines in October in Alton?
What is the month with the lowest UV index in Alton?
What is the UV index reading in October in Alton?
Average temperature in October
Alton, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, New Hampshire, USA
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