Climate and monthly weather forecast
Riverside, RI

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The climate of Riverside

Riverside, Rhode Island, USA is situated in the climate zone identified by the Köppen climate classification as Cfa- Humid subtropical, characterized by an absence of a dry season. This unique geographical positioning in coastal New England imparts it a year-round moderate climate with distinct seasons.

Analyzing climatological data reveals a trend of wide-ranging temperatures throughout the months, with the highest average temperatures observed at 81°F (27.2°C) in July and the lowest at 23.5°F (-4.7°C) in January. Monthly precipitation displays a certain level of consistency, with a peak in April at 2.4" (61mm) and a minimum in September at 1.1" (28mm).

Humidity remains relatively stable throughout the year, fluctuating from 72% in April to 79% in June. Monitoring cloud coverage, a slightly more overcast sky can be expected from December to March, with cloud cover peaking at 48% in March. The daylight duration is longest in June with 15.2 hours, decreasing to a minimum of 9.2 hours in December, in synchrony with the winter solstice.

Unique weather patterns are evidenced in the occurrence of snowfall, limited primarily to the January to March and November to December periods. This geographical region relishes an annual sunshine peak in July with 10.3 sunshine hours daily.

The best time to visit Riverside

Given its diverse seasonal weather profiles, Riverside's optimal visitation period can substantially differ based on individual preferences. For lovers of warm weather, the summer months of June through August offer temperate climatic conditions, with the average temperature ranging from 65.8°F (18.8°C) to 81°F (27.2°C). July stands out as the month with the highest UV index and the longest daylight hours, complimented by minimal cloud coverage, engaging visitors with outdoor pursuits under the sun.

The worst time to visit Riverside

Conversely, those partial to lower temperatures and snowfall might consider avoiding the June through September period. Particularly, August presents relatively high humidity levels at 76% accompanied by high temperatures averaging 79.9°F (26.6°C). January treads at the opposite end of the spectrum with the lowest average temperature at 23.5°F (-4.7°C) and a high possibility of snowfall, which might deter individuals inclined towards milder climates.

Spring weather in Riverside

Spring, extending from March to May, witnesses a climb in temperatures from 44.2°F (6.8°C) to 65.8°F (18.8°C). Rainfall reaches its annual peak in April at 2.4" (61mm), a factor to consider in planning outdoor activities. Simultaneously, the region experiences increased daylight hours, with May bringing 14.6 daylight hours daily.

Summer weather in Riverside

Summers in Riverside, from June through August, are characterized by temperate climates and extended daylight hours on average of 14.9 to 15.2 hours. The season commands the highest temperatures and UV Index, particularly in July with a peak temperature of 81°F (27.2°C) and a UV index of 6. The rainfall during this period is moderate, verging on 2.2" (56mm) in June and 1.81" (46mm) in August.

Autumn weather in Riverside

Autumn initiates a downward temperature trend in Riverside, slipping from 72.9°F (22.7°C) in September to 50.5°F (10.3°C) in November. This season sees a dip in rainfall, offering drier conditions compared to Spring and Summer. Consequently, autumn might cater to individuals favoring mild temperatures and lesser rain.

Winter weather in Riverside

Winter covers December to February and marks the onset of the coldest, yet snowy, months in Riverside. Temperatures dip to the annual lows, with average readings between 35.1°F (1.7°C) to 40.8°F (4.9°C). Notably, January typically witnesses snowfall of 1.57" (40mm) and a reduced daylight duration at 9.6 hours. Adherents of wintry weather might enjoy the plunge in temperatures and appreciable snowfall prevalent during these months.

Weather in January

The crisp winter weather of Riverside starts the year with significant snowfall, correlating with lower temperatures. Notably, January has the year's coldest temperatures, ranging between 23.5°F (-4.7°C) and 35.1°F (1.7°C). Weather in January »

Weather in February

February in Riverside, Rhode Island, continues the winter narrative of January with incrementally rising temperatures. Despite the frigid temperatures, the amount of daylight increases moderately. Precipitation in the form of rain and snow accompanies the late winter weather, contributing to the relative humidity levels. Weather in February »

Weather in March

Riverside welcomes March with the first signs of spring. Key to its seasonal progression is the temperature range, from 30.9°F (-0.6°C) to 44.2°F (6.8°C) - a notable increase from the previous month. Along with incrementally longer daylight hours, March exhibits less snowfall and more rainfall, responding to the warming temperature trend. Weather in March »

Weather in April

April in Riverside signals the arrival of milder weather. The climate warms considerably, with fewer snow days and an increase in rain frequency. A significant change in weather becomes apparent as fewer layers of clothing are necessary. Weather in April »

Weather in May

May is recognized as the beginning of Riverside's warm season, accompanied by blooming gardens and blossoming trees. This month marks a departure from colder temperatures with highs reaching 65.8°F (18.8°C). The humidity slowly ascends, complementing the rise in temperature. Weather in May »

Weather in June

June carries forward the warmth of May, moving Riverside into the throes of summer. On average, daylight extends to the longest duration of the year. Kicking off the summer solstice, June ushers in beautiful beach weather - temperate, sunny, and inviting. Weather in June »

Weather in July

July is Riverside's warmest month, with high temperatures soaring to an average of 81°F (27.2°C). Midsummer's heat fills each day, providing ample opportunity for sun-seekers. Residents and tourists frequent beaches, parks, and resorts to beat the heat. Weather in July »

Weather in August

In August, Riverside continues to bask in the summertime temperatures, albeit slightly decreasing towards the end of the month. The sun continues to shine for the majority of the day. From open-air concerts to outdoor food festivals, August's weather perfectly suits a multitude of activities. Weather in August »

Weather in September

As Riverside transitions to autumn in September, temperatures drop to between 57.4°F (14.1°C) and 72.9°F (22.7°C). The transformation of foliage into vibrant shades signals a change in season. The number of rainfall days decreases, resulting in generally dry conditions. Weather in September »

Weather in October

October witnesses a perceptible shift towards cooler weather in Riverside, Rhode Island. The October skies often display a wonderful play of oranges and reds during sunrise and sunset. Along with the color show, weather conditions favor outdoor activities, from hiking to apple picking. Weather in October »

Weather in November

As November unfolds, Riverside prepares for the approaching winter, noticeable through the dropping temperatures. A slight surge in rainfall is observed, providing the final hydration for the deciduous trees before they shed their leaves. Weather in November »

Weather in December

Riverside welcomes December, marking the official start of winter, with temperatures hovering between 30.2°F (-1°C) and 40.8°F (4.9°C). Glistening snow adorns the landscapes, transforming Riverside into a winter wonderland. Weather in December »
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Frequently asked questions

What time of the year is the coldest in Riverside?

January, marked by an average high-temperature of 35.1°F (1.7°C) and a low-temperature of 23.5°F (-4.7°C), is the coldest month.

How many days does it rain in Riverside?

Throughout the year, there are 144.3 rainfall days, and 23.43" (595mm) of precipitation is accumulated.

When does it snow in Riverside?

January through May, November and December are months with snowfall.

How many days does it snow in Riverside?

Throughout the year, there are 22 snowfall days, and 7.83" (199mm) of snow is accumulated.

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

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

When does it snow the most in Riverside?

The month with the most snowfall in Riverside, Rhode Island, is February, when snow falls for 5.4 days and typically aggregates up to 2.01" (51mm) of snow.

What are the months with the least sunshine in Riverside?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Riverside, Rhode Island.

When is Daylight Saving Time (DST) in Riverside?

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

April is the least humid month in Riverside, Rhode Island, with an average relative humidity of 72%.

What is the rainiest month in Riverside?

The month with the most rainfall is April, when the rain falls for 14.9 days and typically aggregates up to 2.4" (61mm) of precipitation.

What is the most humid month in Riverside?

June is the most humid month in Riverside, with an average relative humidity of 79%.

When it does not snow in Riverside?

In Riverside, snow does not fall in June through October.

When are the longest days in Riverside?

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

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

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

What are the warmest months in Riverside?

July, having an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.9°F (18.3°C), is the warmest month in Riverside.

What month has the most sunshine in Riverside?

The month with the most sunshine is August, with an average of 10.5h of sunshine.

What is the driest month in Riverside?

September is the month with the least rainfall in Riverside, Rhode Island. Rain falls for 10.7 days and accumulates 1.1" (28mm) of precipitation.

What is the month with the shortest days in Riverside?

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

Average temperature
Riverside, RI

Average temperature - Riverside, RI

The warmest month (with the highest average high temperature) is July (81°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 (23.5°F).

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Average pressure
Riverside, RI

Average pressure - Riverside, 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
Riverside, RI

Average wind speed - Riverside, RI

The windiest months (with the highest average wind speed) are January, February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average rainfall
Riverside, RI

Average rainfall - Riverside, RI

The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is September (1.1").

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Average rainfall days
Riverside, RI

Average rainfall days - Riverside, RI

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall
Riverside, RI

Average snowfall - Riverside, RI

The month with the highest snowfall is February (2.01").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Riverside, RI

Average snowfall days - Riverside, RI

The month with the highest number of snowfall days is January (5.9 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
Riverside, RI

Average daylight / Average sunshine - Riverside, 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 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days
Riverside, RI

Average sunshine days - Riverside, RI

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index
Riverside, RI

Average UV index - Riverside, 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
Riverside, RI

Average visibility - Riverside, 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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Riverside, Rhode Island, USA

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