Jamestown
Rhode Island, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Jamestown, RI

October, the same as September, is another enjoyable autumn month in Jamestown, Rhode Island, with average temperature ranging between min 51.3°F (10.7°C) and max 61.7°F (16.5°C).

Temperature

In Jamestown, the average high-temperature in October decreases, from an agreeable 71.4°F (21.9°C) in September, to a comfortable 61.7°F (16.5°C). In October, in Jamestown, Rhode Island, the average low-temperature is 51.3°F (10.7°C).

Humidity

In October, the average relative humidity 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

In Jamestown snow does not fall in April, June through October.

Ocean temperature

In Jamestown, in October, the average water temperature is 62.2°F (16.8°C).
Note: For most, swimming in 62.2°F (16.8°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In October, the average length of the day is 11.1h.

Sunshine

In Jamestown, the average sunshine in October is 6.3h.

UV index

The average daily maximum UV index in Jamestown is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in October interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in October in Jamestown?

The average high-temperature, in October, in Jamestown, Rhode Island, is 61.7°F (16.5°C), while the average low-temperature is 51.3°F (10.7°C).

What is the average humidity in October in Jamestown?

The average relative humidity in October is 76%.

How much does it rain in Jamestown in October?

In Jamestown, during October, the rain falls for 13.4 days and regularly aggregates up to 3.27" (83mm) of precipitation.

What is the wettest month in Jamestown?

October is the month with the most rainfall in Jamestown. Rain falls for 13.4 days and accumulates 3.27" (83mm) of precipitation.

Does it snow in Jamestown in October?

In Jamestown, Rhode Island, in October, it doesn't snow. In November, it regularly snows.

When it does not snow in Jamestown?

In Jamestown snow does not fall in April, June through October.

What is the ocean temperature in October in Jamestown?

In Jamestown, Rhode Island, in October, the average water temperature is 62.2°F (16.8°C). Swimming in 62.2°F (16.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in October in Jamestown?

In October, the average length of the day in Jamestown, Rhode Island, is 11.1h.

How long on average sun shines in October in Jamestown?

The average sunshine in October in Jamestown is 6.3h.

What is the UV index reading in October in Jamestown?

The average daily maximum UV index in October in Jamestown, Rhode Island, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
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 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 lowest 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 lowest number of 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").
Months with the lowest 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).
Months with the lowest number of 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: 11.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in October: 6.3h

The month with most sunshine is August (Average sunshine: 10.5h).
The month with least sunshine is February (Average sunshine: 4.8h).

Average UV index in October - Jamestown, RI
  • Average UV index in October: 3

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).