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

June weather forecast and climate
Jamestown, RI

The first month of the summer, June, is an agreeable month in Jamestown, Rhode Island, with average temperature fluctuating between 70.5°F (21.4°C) and 58.8°F (14.9°C).

Temperature

In Jamestown, Rhode Island, the average high-temperature marginally rises, from an enjoyable 62.6°F (17°C) in May, to a pleasant 70.5°F (21.4°C). In Jamestown, in June, the average low-temperature is 58.8°F (14.9°C).

Humidity

With an average relative humidity of 81%, June is the most humid month in Jamestown.

Rainfall

In Jamestown, in June, during 14.5 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Jamestown, during the entire year, the rain falls for 148.1 days and collects up to 29.65" (753mm) of precipitation.

Snowfall

April, June through October are months without snowfall.

Ocean temperature

In June, the average ocean temperature in Jamestown is 60.3°F (15.7°C).
Note: For most, swimming in 60.3°F (15.7°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

June has the longest days of the year in Jamestown, with an average of 15.1h of daylight.

Sunshine

The average sunshine in June is 9.2h.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in June in Jamestown?

In Jamestown, Rhode Island, in June, the average high-temperature is 70.5°F (21.4°C), and the average low-temperature is 58.8°F (14.9°C).

What is the most humid month in Jamestown?

June is the most humid month in Jamestown, Rhode Island, with an average relative humidity of 81%.

What is the average humidity in June in Jamestown?

In Jamestown, Rhode Island, the average relative humidity in June is 81%.

How much does it rain in Jamestown in June?

In June, the rain falls for 14.5 days. Throughout June, 2.44" (62mm) of precipitation is accumulated.

Does it snow in Jamestown in June?

In June, in Jamestown, Rhode Island, it doesn't snow. May is the latest month when it typically snows.

When it does not snow in Jamestown?

April, June through October are months without snowfall.

How cold is the water in June in Jamestown?

In Jamestown, in June, the average water temperature is 60.3°F (15.7°C). For most, swimming in 60.3°F (15.7°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).

When are the longest days in Jamestown?

The month with the longest days in Jamestown, Rhode Island, is June, with an average of 15.1h of daylight.

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

In Jamestown, the average length of the day in June is 15.1h.

How long on average sun shines in June in Jamestown?

The average sunshine in June in Jamestown, Rhode Island, is 9.2h.

What are the months with the highest UV index in Jamestown?

Months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in June in Jamestown?

In June, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in June - Jamestown, RI
  • Average high temperature in June: 70.5°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 June: 58.8°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 June - Jamestown, RI
  • Average humidity in June: 81%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is March (73%).

Average rainfall in June - Jamestown, RI
  • Average rainfall in June: 2.44"

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 June - Jamestown, RI
  • Average rainfall days in June: 14.5 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 June - Jamestown, RI
  • Average snowfall in June: 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 June - Jamestown, RI
  • Average snowfall days in June: 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 June - Jamestown, RI
  • Average sea temperature in June: 60.2°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 June / Average sunshine in June - Jamestown, RI
  • Average daylight in June: 15.1h

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 June: 9.2h

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 June - Jamestown, RI
  • Average UV index in June: 6

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).