Climate and monthly weather forecastHopkinton, RI
Climate and monthly weather forecast
The climate of Hopkinton
Hopkinton, Rhode Island, USA, lies under a Marine west coast, warm summer climate, also known as Cfb according to the Köppen climate classification. This town, located in the northeastern United States, typically experiences relatively mild summers and cool winters.Throughout the year, the town's temperature varies significantly - from a chilly 27°F (-2.8°C) in the winter months to a balmy 77.7°F (25.4°C) in the summer. The area's humidity remains relatively consistent throughout the year with little fluctuation, averaging around 76%. Hopkinton typically receives a considerable amount of rainfall throughout the year, ranging from 1.73" (44mm) to 3.39" (86mm) per month.
In general, a significant weather event in the town is the presence of snowfall during winter months into early spring, from November through March. The cloud coverage in Hopkinton varies between 28% in August to 47% in both December and February.
The best time to visit Hopkinton
The best time to visit Hopkinton is typically during the summer months, from June to August. During this season, the temperature rises to between 70.3°F (21.3°C) and 77.7°F (25.4°C), creating a comfortable environment for various outdoor activities. Visitors can also expect around 15.1 hours to 14.8 hours of daylight per day, offering extended exploration times. Furthermore, these months also see the highest UV index of 6, suggesting more opportunities for sunny days.The worst time to visit Hopkinton
Winter, spanning December to February, is arguably the worst time to visit Hopkinton. Throughout this season, temperatures can dip as low as 27°F (-2.8°C) up to a high of only 38.3°F (3.5°C). The town also experiences about 1.26" (32mm) to 1.69" (43mm) of snowfall during these months, making travel more challenging. Daylight is valuable during winters as there are only 9.6 hours to 9.2 hours of daylight each day.Spring weather in Hopkinton
Springtime in Hopkinton, from March through May, generally ushers in warmer weather. Temperatures start to rise from an average low of 33.4°F (0.8°C) in March up to 62.2°F (16.8°C) by the end of May. This season also observes rainfall averages between 2.56" (65mm) and 2.48" (63mm) per month, considerably high when compared to other seasons. In April, a slight snowfall of 0.2" (5mm) can also be anticipated.Summer weather in Hopkinton
Summer in Hopkinton is characterized by warm temperatures and long days. The average high temperatures are between 70.3°F (21.3°C) in June to a peak of 77.7°F (25.4°C) in July. Throughout the summer, the rainfall ranges from 2.76" (70mm) to 2.56" (65mm) per month. The months also see an increase in daylight hours, reaching up to 15.1 hours in June.Autumn weather in Hopkinton
Autumn arrives in Hopkinton from September to November. This transitional season sees a slow drop in temperatures, from a high of 71.2°F (21.8°C) in September to a cooler 51.3°F (10.7°C) in November. Rainfall during this season is highest in October, peaking at an average of 3.23" (82mm). The amount of daylight hours also starts to decrease, from 12.5 hours in September down to 9.9 hours in November.Winter weather in Hopkinton
During winter, Hopkinton experiences colder temperatures, with averages from 42.6°F (5.9°C) down to 27°F (-2.8°C). The months of December and January receive the most snowfall, with figures of 1.06" (27mm) and 1.26" (32mm) respectively. This season is also characterized by shorter days, with daylight hours ranging from 9.2 hours in December to 10.6 hours in February.Weather in January
January in Hopkinton, Rhode Island is characterized by cold weather conditions, with the climatic scenario being in the post-winter transition phase. Consisting predominantly of freeze and frost, it has typical winter conditions. Weather in January »Weather in February
The trend of cold weather and somewhat higher humidity continues into February as well, with winter still ensconcing Hopkinton. The month witnesses slightly elongated daylight hours, indicating the slow but steady approach of spring. Weather in February »Weather in March
Climatic transitions become more apparent in March, with definite indications of spring's onset in Hopkinton. Temperatures begin to rise, with warmer days being interspersed among the general cold conditions, offering relief from the winter. Weather in March »Weather in April
April witnesses further amplification of spring conditions in Hopkinton, with a palpable rise in temperature levels. The length of the day significantly increases, and coupled with increasing sunshine hours, it brings more warmth. Weather in April »Weather in May
In Hopkinton, Rhode Island, May signals the initiation of summer, with a noticeably warmer weather pattern. Drawing the town out of spring, higher temperatures during the day are accompanied by pleasant nights. The increase in sunlight hours reinforces the shift towards summer, painting longer days and shorter nights. Weather in May »Weather in June
June ushers the zenith of summer in Hopkinton. Rising temperatures, flourishing under extended daylight hours and increased sunshine, mark the height of the warm season. The clarity of the sky improves with a decrease in the cloud cover, promoting the abundant presence of sunlight throughout the month. Weather in June »Weather in July
Being the peak of summer, Hopkinton witnesses the warmest weather conditions in July. While the daylight hours reach their maximum length, the decrease in relative humidity offers some relief from the heat. The worrisome aspect of July's weather is the skin exposure to the sun due to the most elevated UV index, which tends to remain at 6. Weather in July »Weather in August
As August arrives, Hopkinton starts to witness a subtle transition from peak summer towards cooler fall temperatures. Despite being the second warmest month of the year, it marks a subtle decrease in average temperatures from July. Weather in August »Weather in September
September is characteristic of a distinct tilt in Hopkinton's weather towards autumn. The warm days of summer begin to mildly recede, making way for slightly cooler conditions. Daylight hours start reducing significantly, hinting at the nearing end of the year. Weather in September »Weather in October
Octobers in Hopkinton usher in a distinct chill, marking the onset of fall months. Temperature drops are more noticeable, and coupled with shortened daylight, this period marks the beginning of the cold season. Sunshine hours decrease, while winds see a slight increase, further amplifying the chill in the air. Weather in October »Weather in November
With November, Hopkinton plunges into the fall, characterized by chilly weather and shortened daylight hours. The decrease in temperatures is accompanied by a slight drop in humidity, making the chill factor more prominent. Notably diminishing sunlight hours coupled with an increase in wind speeds signal the approach of winter. Weather in November »Weather in December
December marks the advent of winters in Hopkinton, with temperatures dropping to freezing levels. The change in the climatic pattern is evident with drastically reduced daylight hours and decreasing temperature levels. Alongside, decreasing wind speeds possibly make the cold air even denser. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hopkinton, RI
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure
Hopkinton, RI
- Average pressure in January:
30.02"Hg - Average pressure in February:
30"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:
30.08"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Hopkinton, RI
- Average wind speed in January:
12.5mph - Average wind speed in February:
12.2mph - Average wind speed in March:
12.4mph - Average wind speed in April:
11.4mph - Average wind speed in May:
9.8mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8.3mph - Average wind speed in August:
8.3mph - Average wind speed in September:
9.4mph - Average wind speed in October:
11mph - Average wind speed in November:
11.6mph - Average wind speed in December:
12mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity
Hopkinton, RI
The months with the highest relative humidity are June and July (81%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall
Hopkinton, RI
- Average rainfall in January:
2.24" - Average rainfall in February:
2.24" - Average rainfall in March:
2.56" - Average rainfall in April:
2.99" - Average rainfall in May:
2.48" - Average rainfall in June:
2.76"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.56" - Average rainfall in September:
1.73" - Average rainfall in October:
3.23" - Average rainfall in November:
2.56" - Average rainfall in December:
3.39"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Hopkinton, RI
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall
Hopkinton, RI
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Hopkinton, RI
- Average snowfall days in January:
5.6 days - Average snowfall days in February:
5 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 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:
0.6 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Hopkinton, 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 54min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days
Hopkinton, RI
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
17 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (11 days).
Average UV index
Hopkinton, 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
Hopkinton, RI
The months with the most cloud cover are March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Hopkinton, 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).





