Climate and monthly weather forecastHarmony, RI
Climate and monthly weather forecast
Weather in January
January, like December, in Harmony, Rhode Island, is another cold winter month, with an average temperature ranging between max 33.8°F (1°C) and min 21.7°F (-5.7°C). January, marked by an average high-temperature of 33.8°F (1°C) and a low-temperature of 21.7°F (-5.7°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Harmony, is another cold month, with an average temperature ranging between max 36.9°F (2.7°C) and min 23°F (-5°C). As Harmony transitions into February, the average high-temperature stands at a still icy 36.9°F (2.7°C), offering little variation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Harmony, Rhode Island, with an average temperature fluctuating between 44.1°F (6.7°C) and 30.4°F (-0.9°C). March's onset is marked by a subtle temperature increase, moving from a wintry 36.9°F (2.7°C) in February to a chilly 44.1°F (6.7°C). Weather in March »Weather in April
April in Harmony, Rhode Island, is a moderate spring month, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 40.1°F (4.5°C). With the onset of April, Harmony's average high-temperature experiences a rise, moving from March's frosty 44.1°F (6.7°C) to a refreshing 55.9°F (13.3°C). Weather in April »Weather in May
May, the last month of the spring in Harmony, is a comfortable month, with an average temperature fluctuating between 49.6°F (9.8°C) and 66.9°F (19.4°C). May signals a shift in the average high-temperature, moving from April's moderate 55.9°F (13.3°C) to an enjoyable 66.9°F (19.4°C). Weather in May »Weather in June
June, the first month of the summer in Harmony, is a moderately hot month, with an average temperature ranging between max 74.1°F (23.4°C) and min 56.7°F (13.7°C). The beginning of June marks a minor shift in the average high-temperature, moving from May's comfortable 66.9°F (19.4°C) to a warm 74.1°F (23.4°C). Weather in June »Weather in July
July, like June, in Harmony, Rhode Island, is a moderately hot summer month, with an average temperature varying between 63.9°F (17.7°C) and 82°F (27.8°C). Harmony reaches its highest average temperatures in July, measuring 82°F (27.8°C) at the peak and 63.9°F (17.7°C) at the lowest. July's heat index is computed to be a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Harmony, Rhode Island, with an average temperature varying between 62.4°F (16.9°C) and 80.4°F (26.9°C). Harmony's weather in August displays an average high-temperature of a still warm 80.4°F (26.9°C), showing minor disparity from July's 82°F (27.8°C). Weather in August »Weather in September
September, the first month of the autumn in Harmony, is still a pleasant month, with an average temperature fluctuating between 55.9°F (13.3°C) and 72.9°F (22.7°C). September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 80.4°F (26.9°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Harmony, Rhode Island, with an average temperature varying between 61.2°F (16.2°C) and 46.8°F (8.2°C). Harmony in October experiences a subtle temperature decline, with average high-temperatures reducing from a pleasant 72.9°F (22.7°C) in September to an enjoyable 61.2°F (16.2°C). Weather in October »Weather in November
November, the last month of the autumn in Harmony, is also a frosty month, with temperature in the range of an average high of 49.5°F (9.7°C) and an average low of 36.5°F (2.5°C). The onset of November comes with a shift in the average high-temperature, falling from a comfortable 61.2°F (16.2°C) in October to a chilly 49.5°F (9.7°C). Weather in November »Weather in December
December, the first month of the winter in Harmony, is also an icy month, with an average temperature fluctuating between 39.7°F (4.3°C) and 28.9°F (-1.7°C). December's onset brings a slight change in high-temperatures, falling from a chilly 49.5°F (9.7°C) in November to an icy 39.7°F (4.3°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Harmony, RI
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure
Harmony, 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:
29.98"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:
30.04"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
Harmony, RI
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.4mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.6mph - Average wind speed in June:
6.9mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.2mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8.8mph
The windiest months (with the highest average wind speed) are February and March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Harmony, RI
The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Harmony, RI
- Average rainfall in January:
1.89" - Average rainfall in February:
1.73" - Average rainfall in March:
2.17" - Average rainfall in April:
2.52" - Average rainfall in May:
1.89" - Average rainfall in June:
2.28"
- Average rainfall in July:
2.13" - Average rainfall in August:
1.81" - Average rainfall in September:
1.06" - Average rainfall in October:
2.17" - Average rainfall in November:
2.09" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days
Harmony, RI
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
7.2 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (7.1 days).
Average snowfall
Harmony, RI
- Average snowfall in January:
2.17" - Average snowfall in February:
2.87" - Average snowfall in March:
3.03" - Average snowfall in April:
1.3" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harmony, RI
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
6 days - Average snowfall days in March:
6.5 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:
1.5 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is March (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harmony, 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:
5h and 6min - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 12min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Harmony, RI
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
15.5 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.6 days).
Average UV index
Harmony, 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
Harmony, RI
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Harmony, RI
The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).





