May weather forecast
Harmony, RI

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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).

Temperature

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). Harmony observes an average low-temperature of 49.6°F (9.8°C) during May nights.

Humidity

In May, the average relative humidity in Harmony is 76%.

Rainfall

In Harmony, Rhode Island, during May, the rain falls for 14.1 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Harmony, during the entire year, the rain falls for 137.6 days and collects up to 23.98" (609mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Harmony aggregates 0.24" (6mm) of snow. Throughout the year, there are 26.3 snowfall days, and 12.64" (321mm) of snow is accumulated.

Daylight

In Harmony, the average length of the day in May is 14h and 34min.
On the first day of May, sunrise is at 5:41 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:14 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Harmony in May?

The high-temperature, in May, in Harmony, records 66.9°F (19.4°C), while the low-temperature is 49.6°F (9.8°C).

What is the average humidity in May in Harmony?

In May, the average relative humidity is 76%.

How much does it rain in Harmony in May?

In May, the rain falls for 14.1 days. Throughout May, 1.89" (48mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows in Harmony. During 0.1 snowfall days, in May, Harmony aggregates 0.24" (6mm) of snow.

How many hours of daylight does Harmony have in May?

In Harmony, the average day length in May is 14h and 34min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 5:41 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:14 pm EDT.

How long on average sun shines in May?

In Harmony, the average sunshine duration in May is 8.2h.

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Harmony, RI

Average temperature in May - Harmony, RI
  • Average high temperature in May: 66.9°F

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).

  • Average low temperature in May: 49.6°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 in May
Harmony, RI

Average pressure in May - Harmony, RI
  • Average pressure in May: 30.01"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 in May
Harmony, RI

Average wind speed in May - Harmony, RI
  • Average wind speed in May: 7.6mph

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 in May
Harmony, RI

Average humidity in May - Harmony, RI
  • Average humidity in May: 76%

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 in May
Harmony, RI

Average rainfall in May - Harmony, RI
  • Average rainfall in May: 1.89"

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 in May
Harmony, RI

Average rainfall days in May - Harmony, RI
  • Average rainfall days in May: 14.1 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 in May
Harmony, RI

Average snowfall in May - Harmony, RI
  • Average snowfall in May: 0.24"

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 in May
Harmony, RI

Average snowfall days in May - Harmony, RI
  • Average snowfall days in May: 0.1 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 in May /
Average sunshine in May
Harmony, RI

Average daylight in May / Average sunshine in May - Harmony, RI
  • Average daylight in May: 14h and 4min

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 May: 8h and 1min

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 in May
Harmony, RI

Average sunshine days in May - Harmony, RI
  • Average sunshine days in May: 15.5 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 in May
Harmony, RI

Average UV index in May - Harmony, RI
  • Average UV index in May: 5

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 in May
Harmony, RI

Average cloud cover in May - Harmony, RI
  • Average cloud cover in May: 48

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 in May
Harmony, RI

Average visibility in May - Harmony, RI
  • Average visibility in May: 6mi

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).

Harmony, Rhode Island, USA

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