Climate and monthly weather forecast
Smithfield, RI

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The climate of Smithfield

Smithfield, nestled in Rhode Island, USA, basks in a Marine west coast, warm summer climate as assigned by the Köppen climate classification system. Falling under the Cfb indicator, this type of climatic condition drapes Smithfield with rather mild and moderate temperatures throughout the year in conjunction with substantial rainfall spread over every month.

Sudden and extreme temperature shifts are not typical for this location. In Smithfield, the temperature varies from 21.7°F (-5.7°C) in the coldest month to 82°F (27.8°C) in the warmest month, ensuring that the weather remains relatively pleasant all year round. This annual temperature range is attributed to Smithfield's geographical position, far away from the equator yet not close enough to the poles to experience harsh winters.

Even rainfall distribution characterizes Smithfield's climate. The town receives an average rainfall between 1.06" (27mm) and 2.52" (64mm) per month. The highest rainfall numbers are seen during spring with minimal degradation throughout the summer, and early autumn. Contrastingly, the later autumn period shows a significant drop in rainfall measurements.

Among the unique weather patterns, the consistently high humidity levels that prevail in this area deserve mention. Relative humidity ranges from 71% to 78% each month, making the air moist year-round. Another unique aspect is the lack of snowfall from June to October.

The best time to visit Smithfield

The pleasant climate ensures any time of the year can be suitable for a visit. However, the best time to visit Smithfield would be between May and September. During these months, the average daily temperature ranges from 66.9°F (19.4°C) to 82°F (27.8°C), perfect for outdoor pursuits and exploring the scenic beauty of the town. Despite the presence of moderate rain, these months offer the longest daylight hours, ranging from 14.6 hours in May to 14.9 hours in July.

The worst time to visit Smithfield

The months between December and February tend to be less favorable for tourists due to low temperatures and increased snowfall frequency. December records the snowfall high of 2.28" (58mm) with temperatures between 21.7°F (-5.7°C) and 39.7°F (4.3°C), potentially limiting outdoor activities.

Spring weather in Smithfield

Spring unfolds in Smithfield with gradually increasing temperatures, starting from 44.1°F (6.7°C) in March and rampant advancement to 66.9°F (19.4°C) by May. Concurrently, the town gets the highest amount of rainfall, making the environment lush and vibrant. This variation also witnesses the instances of snowfall become less frequent, leading to the full bloom of spring, characterized by longer sunshine and daylight hours.

Summer weather in Smithfield

Summer months are marked by plentiful sunshine and minimal rainfall. The temperature hovers between 74.1°F (23.4°C) in June and 82°F (27.8°C) in July, gradually falling to 80.4°F (26.9°C) in August. Relative humidity persists, but the climate remains comfortable with the sunlight illuminating Smithfield for 15.2 hours in June. This period registers low wind speeds, falling to 6.2mph (10km/h) in August.

Autumn weather in Smithfield

Autumn in Smithfield signals the arrival of shorter days and a drop in temperature. From 72.9°F (22.7°C) in September, the temperature plummets to 49.5°F (9.7°C) by November. Although rainfall is present throughout the season, the month of September reports the lowest annual rainfalls, at 1.06" (27mm). Autumn brings in gustier conditions with wind speeds picking up to 8.4mph (13.5km/h) in November.

Winter weather in Smithfield

In the winter, Smithfield gets colder with temperatures fluctuating between 21.7°F (-5.7°C) in December and 36.9°F (2.7°C) by the end of February. The town also experiences increased snowfall during this period, making the landscape frosty and picturesque. Despite the cold climate, the relative humidity remains high, creating a feel of a winter wonderland.

Weather in January

Smithfield, Rhode Island experiences its coldest period in January, with snowfall recorded with a total of 2.17" (55mm) over 6.3 days. This month is a time of heavy winter clothing and snow shoveling. Violent winter storms can sometimes lash the city with intense winds and freezing temperatures. Weather in January »

Weather in February

February weather sees an incremental increase in temperature and sunlight as compared to January. Snowfall decreases to 2.87" (73mm) across 6 days. The month remains cold, nevertheless, the increasing daylight hours herald the gradual arrival of spring. Weather in February »

Weather in March

March ushers in spring in Smithfield with warming temperatures and rainfall replacing snowfall. This month, snowfall drops to 3.03" (77mm) over 6.5 days. As the temperature begins to rise, the last vestiges of winter melt away. The city slowly turns green, flowers begin to bloom, and residents eagerly anticipate the warmer weather that lies ahead. Weather in March »

Weather in April

Dramatically warmer than previous months, April sees a significant rise in temperatures and blooming flora. The last remnants of snowfall appear, averaging 1.3" (33mm) over the course of 1.3 days. As the landscape explodes with colour and growth, April showers can often bring moments of surprise weather. Weather in April »

Weather in May

May marks the transition into summer, with warmer weather and increased daylight signaling the time for outdoor activities. The month notes a dramatic dip in snowfall with only 0.24" (6mm) registered over 0.1 days. As temperatures climb, the greenery around Smithfield flourishes, making the city a vibrant, colourful place. Weather in May »

Weather in June

June in Smithfield signifies the full onset of summer, offering the longest daylight and sunshine hours of the year. This month sees a complete cessation of snowfall. Residents are seen enjoying the beaches, barbecuing, and engaging in various other outdoor activities. Weather in June »

Weather in July

July is Smithfield’s warmest month, with temperatures often reaching up to 82°F (27.8°C), and a peak UV index of 6. Despite the increased heat and humidity, July weather remains ideal for outdoor activities. Frequent afternoon thunderstorms are seen, but they usually pass quickly, leaving clear skies for the rest of the day. Weather in July »

Weather in August

August sees a slight drop in temperatures compared to July, though it remains a warm and vibrant month. Temperatures often hover around 80.4°F (26.9°C) with the climate marked by consistent patterns of humidity and rain. The warm nights and hot days make August perfect for those who enjoy swimming, boating, and other water sports. Weather in August »

Weather in September

Autumn makes its arrival in September, bringing a noticeable drop in temperatures, especially at night. Rainfall minimizes to just 1.06" (27mm), the least amount of precipitation in a month in the entire year. A spectrum of warm, rustic colours drenches the city, as leaves begin their annual change. Weather in September »

Weather in October

October continues the trend of cooling temperatures in Smithfield. The weather remains unpredictable, with possible rain and wind events. However, these conditions often result in stunning fall foliage, attracting countless photographers and nature lovers. Weather in October »

Weather in November

November is significantly colder than the previous months, with substantial cloud cover and decreasing daylight hours. Snowfall recommences from this month with 0.63" (16mm) recorded over 1.5 days. The city transitions from the vibrant colours of fall to the stark, bare trees characteristic of the approach of winter. Weather in November »

Weather in December

Finally, December marks the beginning of winter in Smithfield, with snowfall reaching a notable 2.28" (58mm) over 4.5 days. This month often witnesses the first real snow of the season. Muffled under a blanket of snow, the city embraces the festive mood, adorned with holiday decorations and twinkling lights. Weather in December »
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Frequently asked questions

What is the coldest month in Smithfield?

Smithfield's January weather, with an average high temperature of 33.8°F (1°C) and an average low temperature of 21.7°F (-5.7°C), tends to be the coldest of the year.

How much does it rain in Smithfield?

In Smithfield, Rhode Island, during the entire year, the rain falls for 137.6 days and collects up to 23.98" (609mm) of precipitation.

When does it snow in Smithfield?

January through May, October through December are months with snowfall.

How many days does it snow in Smithfield?

Throughout the year, there are 26.3 snowfall days, and 12.64" (321mm) of snow is accumulated.

When is the lowest UV index in Smithfield?

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

What is the most humid month in Smithfield?

February, June, September and October, with an average relative humidity of 78%, are most humid months in Smithfield, Rhode Island.

What is the month with the least sunshine in Smithfield?

February has the least sunshine of the year in Smithfield, Rhode Island, with an average of 4.7h of sunshine.

When does it snow the most in Smithfield?

The month with the most snowfall is March, when snow falls for 6.5 days and typically aggregates up to 3.03" (77mm) of snow.

When is Daylight Saving Time (DST) in Smithfield?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Smithfield, 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 Smithfield?

With an average relative humidity of 71%, April is the least humid month in Smithfield, Rhode Island.

What is the wettest month in Smithfield?

April is the month with the most rainfall in Smithfield, Rhode Island. Rain falls for 13.9 days and accumulates 2.52" (64mm) of precipitation.

When it does not snow in Smithfield?

In Smithfield, Rhode Island, snow does not fall in June through September.

When are the longest days in Smithfield?

With an average of 15h and 12min of daylight, June has the longest days of the year.

When is the highest UV index in Smithfield?

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

What is the hottest time of year in Smithfield?

Smithfield's warmest month, July, generally records average temperatures ranging from a high of 82°F (27.8°C) to a low of 63.9°F (17.7°C).

What month has the most sunshine in Smithfield?

August has the most sunshine of the year in Smithfield, Rhode Island, with an average of 10.2h of sunshine.

What is the driest month in Smithfield?

September is the month with the least rainfall in Smithfield, Rhode Island. Rain falls for 10.3 days and accumulates 1.06" (27mm) of precipitation.

What is the month with the shortest days in Smithfield?

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

Average temperature
Smithfield, RI

Average temperature - Smithfield, RI

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure
Smithfield, RI

Average pressure - Smithfield, RI

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Smithfield, RI

Average wind speed - Smithfield, RI

The windiest months (with the highest average wind speed) are February and March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity
Smithfield, RI

Average humidity - Smithfield, RI

The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).

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Average rainfall
Smithfield, RI

Average rainfall - Smithfield, RI

The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is September (1.06").

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Average rainfall days
Smithfield, RI

Average rainfall days - Smithfield, RI

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall
Smithfield, RI

Average snowfall - Smithfield, RI

The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Smithfield, RI

Average snowfall days - Smithfield, RI

The month with the highest number of snowfall days is March (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Smithfield, RI

Average daylight / Average sunshine - Smithfield, RI

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Smithfield, RI

Average sunshine days - Smithfield, RI

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.6 days).

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Average UV index
Smithfield, RI

Average UV index - Smithfield, 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
Smithfield, RI

Average visibility - Smithfield, RI

The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).

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Smithfield, Rhode Island, USA

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