October weather forecastJamestown, RI
October
Weather in October
In October, Jamestown, Rhode Island, is awash with the romantic hues of autumn. The sea and air start to shed their summer warmth, with temperatures dropping to more refreshing and crisp levels. Dying sunlight is replaced with a setting sun that saturates the sky with a myriad of warm tones. A noticeable increase in rainfall occurs in October leaps the highest precipitation rate of the year with 3.27" (83mm) spread over 13.4 days, breathing life into the red and orange foliage scattered across the city. The month is a feast for the senses, characterised by vibrant colors, the rustling of leaves, and the crisp scent of fall palpably filling the city’s air.Temperature
The shift from September to October corresponds with a decrease in the average high-temperature, down to a refreshing 61.7°F (16.5°C) from an agreeable 71.4°F (21.9°C). Jamestown's average low-temperature during October nights is observed to be a fresh 51.3°F (10.7°C).Humidity
In October, the average relative humidity in Jamestown 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.Ocean temperature
In October, the average ocean temperature in Jamestown is 62.2°F (16.8°C).Note: Swimming is not an enjoyable activity for the majority when the water is at 62.2°F (16.8°C). The difficulty of controlling breathing increases as the temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In October, the average length of the day in Jamestown, Rhode Island, is 11h and 5min.On the first day of October, sunrise is at 6:43 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:41 pm EDT.
Sunshine
In Jamestown, Rhode Island, the average sunshine in October is 6.3h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in October suggests the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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 sea temperature in October
Jamestown, RI
- Average sea temperature in October: 62.2°F
The best month for swimming (with the highest average sea temperature) is August (69.6°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight in October /
Average sunshine in October
Jamestown, RI
- Average daylight in October: 11h and 6min
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 18min
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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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).





