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 arrival corresponds with a decrease in average high-temperatures, from September's agreeable 71.4°F (21.9°C) to an enjoyable 61.7°F (16.5°C). Portsmouth records an average low of 51.3°F (10.7°C) throughout the nights in October.Humidity
The average relative humidity in October is 76%.Rainfall
The month with the most rainfall is October, when the rain falls for 13.4 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
April, June through October are months without snowfall.Daylight
The average length of the day in October is 11h and 5min.On the first day of October in Portsmouth, sunrise is at 6:42 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:40 pm EDT.
Sunshine
In Portsmouth, the average sunshine in October is 6.3h.UV index
In Portsmouth, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in October interprets into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Portsmouth in October?
What is the average humidity in October?
What is the rainiest month?
How much does it rain in October?
When it does not snow?
Does it snow in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Portsmouth have in October?
What is the UV index reading in October?
Average temperature in October
Portsmouth, RI
- Average high temperature in October: 61.7°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 (36.1°F).
- Average low temperature in October: 51.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in October
Portsmouth, RI
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Portsmouth, RI
- Average wind speed in October: 10.6mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in October
Portsmouth, RI
- Average humidity in October: 76%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is March (73%).
Average rainfall in October
Portsmouth, RI
- Average rainfall in October: 3.27"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in October
Portsmouth, RI
- Average rainfall days in October: 13.4 days
The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in October
Portsmouth, RI
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in October
Portsmouth, RI
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Portsmouth, RI
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in October
Portsmouth, RI
- Average sunshine days in October: 15.1 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in October
Portsmouth, RI
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in October
Portsmouth, RI
- Average cloud cover in October: 41
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Portsmouth, RI
- 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).
Portsmouth, Rhode Island, USA
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