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Contents
- The climate of Riverside
- The best time to visit Riverside
- The worst time to visit Riverside
- Spring weather in Riverside
- Summer weather in Riverside
- Autumn weather in Riverside
- Winter weather in Riverside
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
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.
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 »
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
January, with an average high of 35.1°F (1.7°C) and a low of 23.5°F (-4.7°C), signifies the coldest month of the year.
How much does it rain?
Throughout the year, there are 144.3 rainfall days, and 23.43" (595mm) of precipitation is accumulated.
When does it snow?
January through May, November and December are months with snowfall.
How many days does it snow?
In Riverside, during the entire year, snow falls for 22 days and aggregates up to 7.83" (199mm) of snow.
What is the month with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the snowiest month?
The month with the most snowfall 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?
The months with the least sunshine are February and December, with an average of 4.8h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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?
The least humid month is April, with an average relative humidity of 72%.
What is the wettest month?
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?
June is the most humid month, with an average relative humidity of 79%.
When it does not snow?
In Riverside, snow does not fall in June through October.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Riverside.
What is the hottest time of year?
July is the month when Riverside's temperatures reach their peak, with averages of 81°F (27.2°C) and lows of 64.9°F (18.3°C).
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.5h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 10.7 days and typically collects 1.1" (28mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
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).
Average pressure
Riverside, RI
- Average pressure in January:
30.01"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Riverside, RI
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.3mph - Average wind speed in May:
8mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.2mph - Average wind speed in October:
8.5mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.3mph
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).
Average humidity
Riverside, RI
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Riverside, RI
- Average rainfall in January:
1.93" - Average rainfall in February:
1.65" - Average rainfall in March:
2.09" - Average rainfall in April:
2.4" - Average rainfall in May:
1.77" - Average rainfall in June:
2.2"
- Average rainfall in July:
1.97" - Average rainfall in August:
1.81" - Average rainfall in September:
1.1" - Average rainfall in October:
2.28" - Average rainfall in November:
1.93" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days
Riverside, RI
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.7 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
11.3 days
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).
Average snowfall
Riverside, RI
- Average snowfall in January:
1.57" - Average snowfall in February:
2.01" - Average snowfall in March:
1.97" - Average snowfall in April:
0.43" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Riverside, RI
- Average snowfall days in January:
5.9 days - Average snowfall days in February:
5.4 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
3.9 days
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).
Average daylight / Average sunshine
Riverside, RI
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 3min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 5min
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).
Average sunshine days
Riverside, RI
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
17 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is April (13.2 days).
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).
Average cloud cover
Riverside, RI
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
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).
Riverside, Rhode Island, USA
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