Annual average weather for Rhode Island, United States

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Annual Average Weather for Rhode Island, United States

The annual average maximum daily temperature is 14.7°C (58.4°F) which is a little too chilly for sunbathing. The annual average water temperature is typically 11.1°C (51.9°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit. Annually there are on average 12.2 days of rain per month and 6.4 hours of sun per day.

When is the best time to visit Rhode Island?

The best months to visit Rhode Island are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The weather is warm enough for sunbathing in the months from June to September when the maximum temperature reaches above 22°C (72°F)

The sea is best for swimming between June and November when the sea temperature is above the average 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Can you sunbathe in Rhode Island year round?

No, you can't sunbathe in Rhode Island all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

The weather is warm enough for sunbathing in the months from June to September when the maximum temperature reaches above 22°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Rhode Island year round?

No, you can't swim in Rhode Island all year round.

The warmest sea water temperatures in Rhode Island are found in August when they peak at 19°C (66°F) and lowest in March when they dip to 3°C (37°F).

The sea temperature is above average for swimming between June and November when the sea temperature is above 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures

When is the hottest month in Rhode Island?

The hottest month in Rhode Island is July when the average maximum temperature is very warm and perfect for sunbathing on clear days 26°C (79°F), average temperature is 22°C (72°F) and average minimum temperature is 19°C (65°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Rhode Island?

The coolest month in Rhode Island is January when the average maximum temperature is 3°C (37°F), average temperature is -1°C (30°F) and average minimum temperature is -5°C (24°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Rhode Island?

The sunniest days in Rhode Island are in May which has the most hours of sunshine per day. In May the sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.

More info about the annual sunshine.

When is the least sunny month in Rhode Island?

December has the least sunshine. In December the sunshine percentage is 41% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Rhode Island?

The driest month in Rhode Island is February with 5.8cm (2.3inches) of rain and the least days of rain with 9.4 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in Rhode Island?

The wettest month in Rhode Island is June with 9.9cm (3.9inches) of rain and May has the most days of rain with 14.9 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Rhode Island?

The coldest sea water temperatures in Rhode Island are found in March when they dip to 3°C (37°F) which is extremely cold and not suitable for swimming. Taking a dip at this temperature would risk hypothermia.

More info about the annual sea temperatures.

When is the sea the warmest in Rhode Island?

The warmest sea water temperatures in Rhode Island are found in August when they peak at 19°C (66°F) which is comfortable for swimming though some may prefer warmer water.

More info about the annual sea temperatures.

When is the most humid month in Rhode Island?

The most humid month in Rhode Island is July with a dew point (an indicator of humidity) of 20°C (68°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

More info about the annual humidity.

When is the least humid month in Rhode Island?

The least humid month in Rhode Island is February with a dew point of -2°C (28°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Rhode Island?

The most windy month in Rhode Island is February when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 14KM/H (9MPH).

More info about the annual wind conditions.

Annual Temperature for Rhode Island

The hottest month in Rhode Island is July when the average maximum temperature is 26°C (79°F), average temperature is 22°C (72°F) and average minimum temperature is 19°C (65°F).

The coolest month in Rhode Island is January when the average maximum temperature is 3°C (3°F), average temperature is -1°C (30°F) and average minimum temperature is -5°C (24°F).

Annual Sunshine for Rhode Island

The longest days in Rhode Island are in June, with an average of 15.2 hours of daylight per day. December has the shortest days with an average of 9.2 hours of daylight per day.

The sunniest days in Rhode Island are in May which has the most hours of sunshine per day. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.

December has the least sunshine. The sunshine percentage is 41% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day.

The ultraviolet index is the highest in July when it reaches 9.5 and lowest in December when it reaches 1.4.

An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Rhode Island

The warmest sea water temperatures in Rhode Island are found in August when they peak at 19°C (66°F) and lowest in March when they dip to 3°C (37°F).

The sea is best for swimming between June and November when the temperature is above 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Annual Rainfall for Rhode Island

The wettest month in Rhode Island is June with 9.9cm (3.9inches) of rain and May has the most days of rain with 14.9 days with some rain, a pretty wet time to visit the beach.

The driest month in Rhode Island is February with 5.8cm (2.3inches) of rain and the least days of rain with 9.4 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for Rhode Island

The most humid month in Rhode Island is July with a dew point (an indicator of humidity) of 20°C (68°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

The least humid month in Rhode Island is February with a dew point of -2°C (28°F) which is a bit dry for some.

Annual Wind Speed for Rhode Island

The most windy month in Rhode Island is February when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 14KM/H (9MPH).

The least windy month in Rhode Island is August when the average maximum windspeed is 20KM/H (12MPH) and the average wind speed is 8KM/H (5MPH).

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