Climate and monthly weather forecastNewport, RI

Climate and monthly weather forecast
The climate of Newport
In accordance with the Köppen climate classification, Newport, Rhode Island, USA falls under the Cfa group characterized by a humid subtropical climate. In regions with this climatic category, there is no dry season and a significant amount of rain spills throughout the year. Newport’s geographical position on the coast grants it palpable maritime influence, leading to moderate temperatures that sustain fair weather most of the year.Investigating annual weather parameters shows the mercury ranging from a low 26.4°F (-3.1°C) in winter to an average high of 78.3°F (25.7°C) in July. Although warm weather prevails, extreme heat is uncommon, resulting in comfortable conditions for residents and visitors. Relative humidity averages between 73% and 81%, which might lean towards the muggier side occasionally.
Rainfall distributions exhibit heady showers almost all year round, ranging from 1.42" (36mm) to 3.27" (83mm) per month. Over 8 to 15 days each month experience rainfall, painting a picture of quite a wet climate. Snowfall takes place mainly from December to February, and then in November, with an annual average of up to 2.76" (70mm).
Distinct patterns in weather elements mark December as receiving the highest snowfall of 2.01" (51mm) on 6.6 days, and October receiving a maximum rainfall of 3.27" (83mm) over 13.4 days.
The best time to visit Newport
Given Newport's humid subtropical climate, the best time to visit would be during the transitional months of May to June, and September to October. These months offer pleasant temperatures ranging from 53.2°F (11.8°C) to 71.4°F (21.9°C), making it ideal for outdoor activities and sightseeing. The sea temperature remains relatively comfortable as well, reaching up to 67.2°F (19.6°C), making it perfect for seaside activities.The worst time to visit Newport
Visiting Newport during the colder months from late November to February might not be the most comfortable experience. With temperatures hitting low averages around 26.4°F (-3.1°C) to 37.9°F (3.3°C) and the possibility of snowfall, outdoor activities might prove challenging. Additionally, daylight hours are at their lowest during these months with barely 9 to 10 hours of light.Spring weather in Newport
During the Spring season, Newport experiences an elevation in temperatures from 36.1°F (2.3°C) to 62.6°F (17°C) between March and May. There is a steady rise in sea temperature reaching to 51.5°F (10.8°C) in May. Daylight hours increase significantly, signaling longer days and occasioning more suitable conditions for outdoor ventures. Rainfall levels remain consistent with more than 2" (51mm) seen each month.Summer weather in Newport
Summer in Newport offers warm weather conditions with average temperatures reaching as high as 78.3°F (25.7°C). This is accompanied by an escalation in sea temperatures, escalating to 69.6°F (20.9°C) in August. Sunshine hours peak during this period, offering more than 10 hours of sunlight in July and August. Rainfall takes a slight dip with an average of 2" (51mm) in July and August.Autumn weather in Newport
Autumn witnesses a gradual decline in temperatures as they recede from 71.4°F (21.9°C) in September to 51.1°F (10.6°C) in November. Sea temperatures also follow a similar pattern, dropping to 55°F (12.8°C) by November. Rainfall surges in October, delivering 3.27" (83mm) over 13.4 days, making it the wettest month of the year.Winter weather in Newport
Winter in Newport presents a cooler climate with temperatures averaging between 42.4°F (5.8°C) and 26.4°F (-3.1°C) from December to February. The sea temperature plummets to 41.5°F (5.3°C) in January, making seaside activities less attractive. Rainfall levels stand at an average of more than 2" (51mm), while daylight hours dip to their lowest, offering around 9 hours of daylight in December and January. Snowfall is highest in December, registering 2.01" (51mm) on average.Weather in January
Newport residents witness the season's coolest temperatures, as January is the coldest month. The weather remains breezy with the highest wind speed recorded at 12.9mph (20.8km/h). Despite the low temperatures, the city experiences relatively clear skies with only 45% cloud coverage, allowing for a view of winter stars on many nights. Weather in January »Weather in February
February continues the trend of January, with cold temperatures and a hint of snowy scenery. The average maximum temperature increases slightly to 37.9°F (3.3°C). This month tends to be a little snowier than the previous one, with an average snowfall of 2.76" (70mm). Weather in February »Weather in March
With the arrival of March, Newport begins experiencing warmer weather. Frost gradually dissipates, indicating the onset of spring. However, it is not uncommon for late snow events to occur this month. March brings an increase in daylight hours, giving residents more time to enjoy outdoor activities. Weather in March »Weather in April
April ushers in spring warmth to Newport. All snow melts away in this month as temperatures rise. Typically, spring flowers start blooming and bring vibrant colors to the city. April sees an increased number of rainy days compared to March, with an average rainfall lasting 15.6 days. Weather in April »Weather in May
May marks the onset of pleasant weather conditions in Newport. As temperatures continue to rise, outdoor activities gain popularity. However, this month also witnesses a shift in precipitation from rainfall to relative humidity. Rainfall reduces to 2.09" (53mm), while humidity increases to 79%. Weather in May »Weather in June
In June, summer officially begins in Newport. The city experiences the longest daylight hours, averaging 15.1 hours per day. These long days are often sunny, leading to increased UV indexes. While temperatures continue to rise, the rainfall decreases to 2.44" (62mm). Weather in June »Weather in July
July is the hottest month in Newport with temperatures soaring up to 78.3°F (25.7°C). It also registers the maximum sea temperature of the year at 67.4°F (19.7°C). The sunny weather makes it ideal for a beach visit or water sport adventure. Weather in July »Weather in August
In August, the summer heat in Newport begins to subside. Although rain does not significantly increase this month, there's a noticeable reduction in sunshine hours. As a result, August hosts cooler but still relatively warm temperatures suitable for outdoor activities. Weather in August »Weather in September
September ushers in autumn in Newport, leading to a noticeable reduction in temperature. While the summer heat fades away, it remains warm enough for outdoor activities such as hiking or beach visits. As per September data, rainfall is at its lowest, averaging only 1.42" (36mm) throughout the month. Weather in September »Weather in October
October in Newport provides residents with the last glimpses of warm weather. As autumn progresses, temperatures begin to dip, signaling the onset of the colder seasons. Although October witnesses a significant increase in rainfall amounts to a high of 3.27" (83mm). Weather in October »Weather in November
November's weather conditions in Newport signal the city’s shift into the cold season. Temperatures continue to drop, leading to cooler days and colder nights. However, it is notable for its decrease in rainfall and cloudy days. Weather in November »Weather in December
December marks Newport's transition into its winter season. Average daylight hours drop to their lowest at 9.2 hours, with short daylight periods and long, chilly nights. Average snowfall increases up to 1.38" (35mm) indicating the return of the snow season. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Newport, RI
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (36.1°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure
Newport, 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:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.03"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
Newport, RI
- Average wind speed in January:
12.1mph - Average wind speed in February:
11.9mph - Average wind speed in March:
11.9mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8.3mph - Average wind speed in August:
8.1mph - Average wind speed in September:
9mph - Average wind speed in October:
10.6mph - Average wind speed in November:
11.2mph - Average wind speed in December:
11.6mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity
Newport, RI
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is March (73%).
Average rainfall
Newport, RI
- Average rainfall in January:
2.6" - Average rainfall in February:
2.36" - Average rainfall in March:
2.83" - Average rainfall in April:
2.95" - Average rainfall in May:
2.09" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.01" - Average rainfall in August:
2.09" - Average rainfall in September:
1.42" - Average rainfall in October:
3.27" - Average rainfall in November:
2.36" - Average rainfall in December:
3.23"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days
Newport, RI
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Newport, RI
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days
Newport, RI
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
6.2 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
0.2 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:
0.7 days - Average snowfall days in December:
3.8 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature
Newport, RI
The best month for swimming (with the highest average sea temperature) is August (69.6°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight / Average sunshine
Newport, RI
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
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).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Newport, RI
- Average sunshine days in January:
15.6 days - Average sunshine days in February:
14 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
14.9 days - Average sunshine days in June:
13.4 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
15.1 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is April (12.3 days).
Average UV index
Newport, 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 and December (UV index 2).
Average cloud cover
Newport, RI
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Newport, 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).





