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
Transition into October marks a drop in the average high-temperature, moving from an agreeable 69.1°F (20.6°C) in September to a moderate 57.9°F (14.4°C). During October, New Castle consistently records a temperature low averaging a chilly 47.1°F (8.4°C).Humidity
In New Castle, New Hampshire, the average relative humidity in October is 78%.Rainfall
October is the month with the most rainfall in New Castle. Rain falls for 13.3 days and accumulates 2.83" (72mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.31" (8mm) of snow. In New Castle, New Hampshire, during the entire year, snow falls for 35.2 days and aggregates up to 16.97" (431mm) of snow.Ocean temperature
In New Castle, New Hampshire, the average seawater temperature in October is 55.9°F (13.3°C).Note: Swimming in 55.9°F (13.3°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 October, the average length of the day is 11h and 1min.On the first day of the month, sunrise is at 6:40 am and sunset at 6:23 pm. On the last day of October, sunrise is at 7:17 am and sunset at 5:35 pm EDT.
Sunshine
In October, the average sunshine in New Castle is 6.1h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during October translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What are October temperatures in New Castle?
What is the average humidity in October in New Castle?
What is the rainiest month in New Castle?
How many days does it rain in October in New Castle?
When does it start snowing in New Castle?
What is the ocean temperature in October in New Castle?
How many hours of daylight does New Castle have in October?
When is the sunrise / sunset in October in New Castle?
How many hours of sunshine does New Castle have in October?
How high is the UV index in October in New Castle?
Average temperature in October
New Castle, NH
- Average high temperature in October: 57.9°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in October: 47.1°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in October
New Castle, 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 (29.92"Hg).
Average wind speed in October
New Castle, NH
- Average wind speed in October: 9.3mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in October
New Castle, NH
- Average humidity in October: 78%
The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are April and November (75%).
Average rainfall in October
New Castle, NH
- Average rainfall in October: 2.83"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in October
New Castle, NH
- Average rainfall days in October: 13.3 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in October
New Castle, NH
- Average snowfall in October: 0.31"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
New Castle, NH
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in October
New Castle, NH
- Average sea temperature in October: 55.9°F
The best month for swimming (with the highest average sea temperature) is August (65.6°F).
The coldest month (with the lowest average sea temperature) is March (38.5°F).
Average daylight in October /
Average sunshine in October
New Castle, NH
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in October
New Castle, NH
- Average sunshine days in October: 15.1 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in October
New Castle, NH
- Average UV index in October: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
New Castle, NH
- Average cloud cover in October: 42
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
New Castle, NH
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
New Castle, New Hampshire, USA
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