Climate and monthly weather forecastHarrisville, RI
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Harrisville, Rhode Island, with an average temperature fluctuating between 33.1°F (0.6°C) and 21°F (-6.1°C). January, recording an average high temperature of 33.1°F (0.6°C) and a low temperature of 21°F (-6.1°C), is Harrisville's coldest month. Weather in January »Weather in February
February, the last month of the winter in Harrisville, is another cold month, with an average temperature fluctuating between 21.7°F (-5.7°C) and 36.3°F (2.4°C). The transition from January to February sees average high-temperatures adjusting to a still cold 36.3°F (2.4°C), from a not significantly different 33.1°F (0.6°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Harrisville, Rhode Island, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 43.3°F (6.3°C). Harrisville in March experiences a slight uptick in the average high-temperature, adjusting from February's cold 36.3°F (2.4°C) to a frosty 43.3°F (6.3°C). Weather in March »Weather in April
April is a moderate spring month in Harrisville, Rhode Island, with an average temperature varying between 55.9°F (13.3°C) and 39.4°F (4.1°C). April signals a shift in the average high-temperature, moving from March's chilly 43.3°F (6.3°C) to a refreshing 55.9°F (13.3°C). Weather in April »Weather in May
May, the last month of the spring in Harrisville, is a comfortable month, with an average temperature fluctuating between 67.3°F (19.6°C) and 49.1°F (9.5°C). May indicates a change in the average high-temperature, moving up from a mild 55.9°F (13.3°C) in April to an enjoyable 67.3°F (19.6°C). Weather in May »Weather in June
June, the first month of the summer in Harrisville, is a warm month, with an average temperature fluctuating between 74.1°F (23.4°C) and 55.9°F (13.3°C). Harrisville's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's refreshing 67.3°F (19.6°C) to a moderately hot 74.1°F (23.4°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Harrisville, Rhode Island, with an average temperature fluctuating between 63.1°F (17.3°C) and 81.7°F (27.6°C). Harrisville's warmest month, July, registers temperatures that range from a high of 81.7°F (27.6°C) to a low of 63.1°F (17.3°C). July's mean heat index is evaluated at a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Harrisville, Rhode Island, with an average temperature fluctuating between 80.1°F (26.7°C) and 61.7°F (16.5°C). The arrival of August denotes a barely perceptible change in the average high-temperatures to a still moderately hot 80.1°F (26.7°C) from July's 81.7°F (27.6°C). Weather in August »Weather in September
September, the first month of the autumn in Harrisville, is still a pleasant month, with an average temperature ranging between max 72.7°F (22.6°C) and min 54.9°F (12.7°C). In Harrisville, the average high-temperature in September gently drops from a warm 80.1°F (26.7°C) in August to an agreeable 72.7°F (22.6°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Harrisville, Rhode Island, with an average temperature ranging between min 45.5°F (7.5°C) and max 60.4°F (15.8°C). The arrival of October indicates a decrease in the average high-temperature, moving from an agreeable 72.7°F (22.6°C) in September to a mild 60.4°F (15.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Harrisville, Rhode Island, with an average temperature varying between 35.8°F (2.1°C) and 48.9°F (9.4°C). Onset of November witnesses a reduction in the average high-temperature, falling from a refreshing 60.4°F (15.8°C) in October to a chilly 48.9°F (9.4°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Harrisville, Rhode Island, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 39°F (3.9°C). December's onset brings a slight change in high-temperatures, falling from a chilly 48.9°F (9.4°C) in November to a cold 39°F (3.9°C). Weather in December »Updated: Aug 23, 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
January is the coldest month of the year, registering average temperatures as high as 33.1°F (0.6°C) and as low as 21°F (-6.1°C).
Throughout the year, there are 141.4 rainfall days, and 23.86" (606mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
Throughout the year, in Harrisville, there are 27.6 snowfall days, and 11.34" (288mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The months with the highest humidity are February, September and October, with an average relative humidity of 79%.
With an average of 4.5h of sunshine, February has the least sunshine of the year.
The month with the most snowfall is March, when snow falls for 6.7 days and typically aggregates up to 3.19" (81mm) of snow.
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.
The least humid month in Harrisville is April, with an average relative humidity of 72%.
April is the month with the most rainfall. Rain falls for 14.3 days and accumulates 2.4" (61mm) of precipitation.
In Harrisville, Rhode Island, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 12min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
Harrisville notes the warmest temperatures in July, with a average high of 81.7°F (27.6°C) and a low of 63.1°F (17.3°C).
The month with the most sunshine is August, with an average of 10.1h of sunshine.
The month with the least rainfall is September, when the rain falls for 10.9 days and typically collects 1.14" (29mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Harrisville, RI
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Harrisville, RI
- Average pressure in January:
30.01"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"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
Harrisville, RI
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.4mph - Average wind speed in October:
7.7mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.6mph
The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity
Harrisville, RI
The months with the highest relative humidity are February, September and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Harrisville, RI
- Average rainfall in January:
1.81" - Average rainfall in February:
1.65" - Average rainfall in March:
2.05" - Average rainfall in April:
2.4" - Average rainfall in May:
1.97" - Average rainfall in June:
2.32"
- Average rainfall in July:
2.28" - Average rainfall in August:
1.85" - Average rainfall in September:
1.14" - Average rainfall in October:
2.05" - Average rainfall in November:
2.13" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days
Harrisville, RI
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
7 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (7 days).
Average snowfall
Harrisville, RI
- Average snowfall in January:
2.24" - Average snowfall in February:
3.03" - Average snowfall in March:
3.19" - Average snowfall in April:
0.55" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harrisville, RI
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
6.7 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
4.7 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harrisville, RI
- Average daylight in January:
9h and 30min - 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 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 12min
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:
4h and 54min - Average sunshine in February:
4h and 30min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Harrisville, RI
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
16.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (13 days).
Average UV index
Harrisville, 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
Harrisville, RI
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Harrisville, RI
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
