Climate and monthly weather forecast
Rockville, RI

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Weather in January

January, the same as December, is another cold winter month in Rockville, Rhode Island, with an average temperature ranging between min 23.7°F (-4.6°C) and max 35.1°F (1.7°C). January, with its high-temperature average of 35.1°F (1.7°C) and a low-temperature average of 23.7°F (-4.6°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Rockville, is also a wintry month, with an average temperature varying between 37.6°F (3.1°C) and 24.3°F (-4.3°C). The average high-temperature for February is a still wintry 37.6°F (3.1°C), closely aligning with the temperature of the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Rockville, is a frosty month, with an average temperature varying between 44.2°F (6.8°C) and 30.9°F (-0.6°C). Rockville's weather in March presents a minor rise in the average high-temperature, moving from an icy 37.6°F (3.1°C) in February to a frosty 44.2°F (6.8°C). Weather in March »

Weather in April

April in Rockville, Rhode Island, is a fresh spring month, with an average temperature fluctuating between 55°F (12.8°C) and 40.6°F (4.8°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from a frosty 44.2°F (6.8°C) in March to a fresh 55°F (12.8°C). Weather in April »

Weather in May

May, the last month of the spring in Rockville, is a refreshing month, with an average temperature varying between 65.8°F (18.8°C) and 50°F (10°C). May marks a rise in the average high-temperature, moving from April's cool 55°F (12.8°C) to a refreshing 65.8°F (18.8°C). Weather in May »

Weather in June

June, the first month of the summer in Rockville, is an agreeable month, with an average temperature varying between 57.2°F (14°C) and 73°F (22.8°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from an enjoyable 65.8°F (18.8°C) in May to an agreeable 73°F (22.8°C). Weather in June »

Weather in July

July is a warm summer month in Rockville, Rhode Island, with an average temperature varying between 64.9°F (18.3°C) and 80.6°F (27°C). July tends to be the warmest month, with temperatures averaging a daily high of 80.6°F (27°C) and a low of 64.9°F (18.3°C). The heat index in July is evaluated at a tropical 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Rockville, is another warm month, with an average temperature varying between 63.7°F (17.6°C) and 79.5°F (26.4°C). August's advent presents an average high-temperature of a still moderately hot 79.5°F (26.4°C), indicating a slight variation from the conditions of the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Rockville, is still a pleasant month, with an average temperature varying between 57.2°F (14°C) and 72.7°F (22.6°C). Rockville's progression into September involves a gentle drop in the average high-temperature, from a warm 79.5°F (26.4°C) in August to a pleasant 72.7°F (22.6°C). Weather in September »

Weather in October

October, like September, in Rockville, Rhode Island, is another refreshing autumn month, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 48°F (8.9°C). October brings a decrease in the average high-temperature, shifting from an agreeable 72.7°F (22.6°C) in September to a refreshing 61.5°F (16.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Rockville, Rhode Island, with an average temperature fluctuating between 50.2°F (10.1°C) and 38.1°F (3.4°C). The shift from October to November involves a decrease in the average high-temperature, dropping from a refreshing 61.5°F (16.4°C) to a cool 50.2°F (10.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Rockville, Rhode Island, with an average temperature ranging between min 30.4°F (-0.9°C) and max 40.6°F (4.8°C). The average high-temperature drops in December, from November's cool 50.2°F (10.1°C) to a cold 40.6°F (4.8°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Rockville?

The month of January sees the average lowest temperatures in Rockville, Rhode Island, reaching 35.1°F (1.7°C) at the peak and 23.7°F (-4.6°C) at the low.

How many days does it rain in Rockville?

In Rockville, Rhode Island, during the entire year, the rain falls for 162.4 days and collects up to 33.78" (858mm) of precipitation.

When does it snow in Rockville?

Months with snowfall in Rockville, Rhode Island, are January through May, November and December.

How much does it snow in Rockville?

Throughout the year, in Rockville, there are 27.9 snowfall days, and 12.2" (310mm) of snow is accumulated.

What are the months with the lowest UV index in Rockville?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rockville, Rhode Island.

What is the month with the least sunshine in Rockville?

February has the least sunshine of the year in Rockville, with an average of 4.7h of sunshine.

What is the snowiest month in Rockville?

March is the month with the most snowfall in Rockville, Rhode Island. Snow falls for 6.5 days and accumulates 3.54" (90mm) of snow.

When is Daylight Saving Time (DST) in Rockville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rockville, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Rockville?

With an average relative humidity of 73%, April is the least humid month in Rockville, Rhode Island.

What is the most humid month in Rockville?

The most humid month in Rockville, Rhode Island, is June, with an average relative humidity of 80%.

When it does not snow in Rockville?

June through October are months without snowfall in Rockville, Rhode Island.

When are the longest days in Rockville?

The month with the longest days in Rockville is June, with an average of 15h and 6min of daylight.

When is the highest UV index in Rockville?

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

What time of the year is the hottest in Rockville?

Rockville's July weather, marked by an average high temperature of 80.6°F (27°C) and an average low temperature of 64.9°F (18.3°C), is the warmest in the year.

What is the month with the most sunshine in Rockville?

The months with the most sunshine in Rockville are July and August, with an average of 10.3h of sunshine.

What is the driest month in Rockville?

September is the month with the least rainfall in Rockville, Rhode Island. Rain falls for 12.5 days and accumulates 1.57" (40mm) of precipitation.

What is the wettest month in Rockville?

The month with the most rainfall in Rockville is December, when the rain falls for 12 days and typically aggregates up to 3.7" (94mm) of precipitation.

What is the month with the shortest days in Rockville?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Rockville.

Average temperature
Rockville, RI

Average temperature - Rockville, RI

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (35.1°F).

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure
Rockville, RI

Average pressure - Rockville, RI

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Rockville, RI

Average wind speed - Rockville, RI

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average rainfall
Rockville, RI

Average rainfall - Rockville, RI

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days
Rockville, RI

Average rainfall days - Rockville, RI

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall
Rockville, RI

Average snowfall - Rockville, RI

The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Rockville, RI

Average snowfall days - Rockville, RI

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Rockville, RI

Average daylight / Average sunshine - Rockville, RI

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).

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Rockville, RI

Average sunshine days - Rockville, RI

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index
Rockville, RI

Average UV index - Rockville, RI

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, November and December (UV index 2).

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Average visibility
Rockville, RI

Average visibility - Rockville, RI

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).

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Rockville, Rhode Island, USA

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